{"id":6072,"date":"2024-08-20T15:01:01","date_gmt":"2024-08-20T07:01:01","guid":{"rendered":""},"modified":"2024-08-20T15:01:01","modified_gmt":"2024-08-20T07:01:01","slug":"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b","status":"publish","type":"post","link":"https:\/\/mushiming.com\/6072.html","title":{"rendered":"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b"},"content":{"rendered":"<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> \n <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path> \n<\/svg> <\/p>\n<h2>\u96c6\u5408<\/h2>\n<h3>1.\u5b9a\u4e49<\/h3>\n<p>1.<mark>\u96c6\u5408\u53ef\u4ee5\u770b\u4f5c\u662f\u4e00\u79cd\u5bb9\u5668\uff0c\u7528\u6765\u5b58\u50a8\u5bf9\u8c61\u4fe1\u606f\u7684\u5bb9\u5668,\u5e76\u4e14\u957f\u5ea6\u662f\u53ef\u53d8\u7684\u3002<\/mark><\/p>\n<ul>\n<li>\n<p>\u56e0\u4e3a\u5bf9\u8c61\u662f\u53ef\u4ee5\u521b\u5efa\u65e0\u9650\u4e2a\u6570\u7684,\u800c\u5bf9\u8c61\u6570\u7ec4\u662f\u5f00\u8f9f\u56fa\u5b9a\u957f\u5ea6\u7684\u5b58\u50a8\u7a7a\u95f4,\u663e\u7136\u7528\u5bf9\u8c61\u662f\u4e0d\u5408\u9002\u7684<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u8c61\u6570\u7ec4\u957f\u5ea6\u4e0d\u53ef\u53d8\u5316\u5e76\u4e14\u65e0\u6cd5\u4fdd\u5b58\u5177\u6709\u6620\u5c04\u5173\u7cfb\u7684\u6570\u636e;\u96c6\u5408\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u6570\u91cf\u4e0d\u786e\u5b9a\u7684\u6570\u636e,\u957f\u5ea6\u53ef\u53d8,\u4ee5\u53ca\u53ef\u4ee5\u4fdd\u5b58\u5177\u6709\u6620\u5c04\u5173\u7cfb\u7684\u6570\u636e<\/p>\n<\/li>\n<li>\n<p>\u6570\u7ec4\u5143\u7d20\u65e2\u53ef\u4ee5\u662f\u57fa\u672c\u7c7b\u578b\u7684\u503c\uff0c\u4e5f\u53ef\u4ee5\u662f\u5bf9\u8c61\uff1b\u96c6\u5408\u53ea\u80fd\u4fdd\u5b58\u5bf9\u8c61\uff08\u6bd4\u5982list\u96c6\u5408add(1)\u65b9\u6cd5\uff0c\u662f\u628a1\u53d8\u6210\u5305\u88c5\u7c7bInteger\u5305\u88c5\u7c7b\uff09<\/p>\n<\/li>\n<\/ul>\n<ol start=\"2\">\n<li>\u6240\u6709\u7684\u96c6\u5408\u7ee7\u627f\u5173\u7cfb\u56fe(<mark>\u867d\u7136\u5f88\u5168\uff0c\u4f46\u662f\u6211\u4eec\u4e0d\u662f\u90fd\u8981\u638c\u63e1\uff0c\u6211\u4eec\u638c\u63e1\u5de5\u4f5c\u4e2d\u5e38\u7528\u5230\u7684\u5c31\u53ef\u4ee5<\/mark>)\uff0c\u638c\u63e1\u8fd9\u4e2a\u6587\u6863\u7684\u5c31\u8db3\u591f\u4f60\u8ddf\u9762\u8bd5\u5b98\u5439\u903c\u4e86\u3002<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200908213256491.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<ol start=\"3\">\n<li>\u5982\u679c\u89c9\u5f97\u4e0a\u9762\u592a\u590d\u6742\uff0c\u770b\u8fd9\u4e2a\u7b80\u5316\u7248\u5982\u56fe\uff1a<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200908213333761.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b (https:\/\/mushiming.com\/)  \u7b2c2\u5f20\" title=\"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b  \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/2020090821334775.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b (https:\/\/mushiming.com\/)  \u7b2c3\u5f20\" title=\"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b  \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<ol start=\"4\">\n<li>\u5e38\u7528\u96c6\u5408\u56fe<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20200908213404657.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b (https:\/\/mushiming.com\/)  \u7b2c4\u5f20\" title=\"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b  \u7b2c4\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h3>2.\u96c6\u5408\u7684\u4f7f\u7528<\/h3>\n<h4>2.1 list\u96c6\u5408<\/h4>\n<ul>\n<li>\n<p>list\u63a5\u53e3\u96c6\u5408\u4ee3\u8868\u4e00\u4e2a\u6709\u5e8f\u3001\u53ef\u91cd\u590d\u7684\u96c6\u5408,\u96c6\u5408\u6bcf\u4e2a\u5143\u7d20\u90fd\u6709\u5176\u5bf9\u5e94\u7684\u987a\u5e8f\u7d22\u5f15\u3002list\u96c6\u5408\u9ed8\u8ba4\u6309\u7167\u5143\u7d20\u7684\u6dfb\u52a0\u987a\u5e8f\u8bbe\u7f6e\u5143\u7d20\u7684\u7d22\u5f15,\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u6765\u8bbf\u95ee\u6307\u5b9a\u4f4d\u7f6e\u7684\u96c6\u5408\u5143\u7d20\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9e\u73b0list\u63a5\u53e3\u7684\u96c6\u5408\u5e38\u7528\u7684\u6709:ArrayList\u3001linkedList\u3001vector\u5b50\u7c7b\u7b49,\u5b9e\u73b0list\u63a5\u53e3\u6709\u54ea\u4e9b\u5b50\u7c7b\u5177\u4f53\u53c2\u8003\u6253\u5f00\u5c42\u7ea7\u76ee\u5f55\u53bb\u770b,\u4e0d\u9700\u8981\u4f7f\u7528\u90fd\u5b66\u4f1a\u3002<\/p>\n<\/li>\n<\/ul>\n<h5>2.1.1ArrayList<\/h5>\n<ul>\n<li>\n<p>ArrayList\u5e95\u5c42\u662f\u4e00\u4e2aobject\u7c7b\u578b\u7684\u6570\u7ec4,\u4e5f\u662f\u6211\u4eec\u6700\u5e38\u7528\u4e8e\u6570\u636e\u904d\u5386\u7684\u96c6\u5408.\u5b83\u5141\u8bb8\u4efb\u4f55\u7b26\u5408\u89c4\u5219\u7684\u6570\u636e\u63d2\u5165\u8bbe\u7f6e\u662fnull\u3002\u8be5object\u7c7b\u578b\u7684\u6570\u7ec4\u96c6\u5408\u7684\u9ed8\u8ba4\u957f\u5ea6\u4e3a0,\u4e5f\u53ef\u4ee5\u81ea\u5b9a\u4e49\u957f\u5ea6\u3002\u6bcf\u6b21\u6240\u4ee5list.add()\u65b9\u6cd5\u63d2\u5165\u5143\u7d20\u65f6,\u5bf9\u5bb9\u5668\u8fdb\u884c\u6269\u5bb9\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u56fe<\/p>\n<p>[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-kv2k1oRi-45)(D:\\downfile\\\\tu1.png)]<\/p>\n<\/li>\n<li>\n<p>list.get(i):\u76f4\u63a5\u83b7\u53d6\u6570\u7ec4\u7684\u6307\u5b9a\u4e0b\u6807\u4f4d\u7f6e\u7684\u5143\u7d20,\u67e5\u8be2\u5feb\u3002<\/p>\n<pre><code class=\"prism language-java\"><span class=\"token annotation punctuation\">@SuppressWarnings<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"unchecked\"<\/span><span class=\"token punctuation\">)<\/span> E <span class=\"token function\">elementData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> index<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>E<span class=\"token punctuation\">)<\/span> elementData<span class=\"token punctuation\">[<\/span>index<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>ArrayList\u662f\u4e00\u4e2a\u6709\u5e8f\u53ef\u6269\u5bb9\u957f\u5ea6\u7684\u6570\u7ec4,\u6240\u4ee5\u53ef\u4ee5\u63d2\u5165\u6709\u5e8f\u7684\u53ef\u91cd\u590d\u7684\u5143\u7d20.\u4f18\u70b9\u662f:\u53ef\u4ee5\u5feb\u901f\u901a\u8fc7\u4e0b\u6807\u83b7\u53d6\u5230\u5143\u7d20,\u904d\u5386\u5143\u7d20\u548c\u67e5\u627e\u5143\u7d20\u5feb;\u7531\u4e8e\u63d2\u5165\u3001\u5220\u9664\u9700\u8981\u4f4d\u79fb,\u6240\u4ee5\u63d2\u5165\u3001\u5220\u9664\u6548\u7387\u6162\u3002<\/p>\n<\/li>\n<li>\n<p><mark>\u540c\u65f6ArrayList\u662f\u975e\u540c\u6b65\u7684,\u662f\u975e\u7ebf\u7a0b\u5b89\u5168\u7684,\u6548\u7387\u9ad8\u3002<\/mark><\/p>\n<\/li>\n<li>\n<p>\u6848\u4f8b1:<\/p>\n<pre><code class=\"prism language-java\"><span class=\"token keyword\">import<\/span> java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>ArrayList<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">import<\/span> java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>List<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Test<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span>String<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token comment\">\/\/\u5e95\u5c42\u662f\u4e00\u4e2a\u6570\u7ec4,\u6bcf\u6b21\u63d2\u5165\u503c\u7684\u65f6\u5019\u5224\u65ad\u6709\u6ca1\u6709\u4f4d\u7f6e\u5e76\u4e14\u6269\u5bb9\u4fdd\u8bc1\u6570\u7ec4\u80fd\u591f\u65e0\u9650\u7684\u63d2\u5165\u503c<\/span> List lists <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> lists<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> lists<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u9a6c\u4e91\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> lists<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000.98<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> lists<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">\"\u738b\u5065\u6797\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> lists<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u96c6\u5408\u957f\u5ea6:\"<\/span> <span class=\"token operator\">+<\/span> lists<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u662f\u5426\u5305\u542b:\"<\/span><span class=\"token operator\">+<\/span><span class=\"token punctuation\">(<\/span>lists<span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">?<\/span><span class=\"token string\">\"\u6709100\"<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">\"\u6ca1\u6709100\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>lists<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ list.clear();\/\/\u6e05\u7a7a\u96c6\u5408<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span>lists<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>lists<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"===============================\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>Object object <span class=\"token operator\">:<\/span> lists<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>object<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>\u7ed3\u679c<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-java\">\u96c6\u5408\u957f\u5ea6<span class=\"token operator\">:<\/span><span class=\"token number\">5<\/span> \u662f\u5426\u5305\u542b<span class=\"token operator\">:<\/span>\u6709<span class=\"token number\">100<\/span> <span class=\"token number\">100<\/span> <span class=\"token number\">100<\/span> <span class=\"token number\">100<\/span> \u738b\u5065\u6797 \u9a6c\u4e91 <span class=\"token number\">1000.98<\/span> <span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">=<\/span> <span class=\"token number\">100<\/span> <span class=\"token number\">100<\/span> \u738b\u5065\u6797 \u9a6c\u4e91 <span class=\"token number\">1000.98<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>\u6848\u4f8b2:\u6dfb\u52a0\u5bf9\u8c61\u7c7b\u578b<\/p>\n<\/li>\n<li>\n<p>student\u7c7b<\/p>\n<pre><code class=\"prism language-java\"><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Student<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">private<\/span> String name<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">int<\/span> age<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">char<\/span> sex<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u4f60\u597d\u6211\u662f\"<\/span><span class=\"token operator\">+<\/span>name<span class=\"token operator\">+<\/span><span class=\"token string\">\"\u5e74\u9f84:\"<\/span><span class=\"token operator\">+<\/span>age<span class=\"token operator\">+<\/span><span class=\"token string\">\"\u6027\u522b:\"<\/span><span class=\"token operator\">+<\/span>sex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token function\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token function\">Student<\/span><span class=\"token punctuation\">(<\/span>String name<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> age<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> sex<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>name <span class=\"token operator\">=<\/span> name<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>age <span class=\"token operator\">=<\/span> age<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sex <span class=\"token operator\">=<\/span> sex<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">public<\/span> String <span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">return<\/span> name<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">setName<\/span><span class=\"token punctuation\">(<\/span>String name<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>name <span class=\"token operator\">=<\/span> name<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">getAge<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">return<\/span> age<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">setAge<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> age<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>age <span class=\"token operator\">=<\/span> age<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token function\">getSex<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">return<\/span> sex<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">setSex<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span> sex<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sex <span class=\"token operator\">=<\/span> sex<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>\u6d4b\u8bd5\u7c7b<\/p>\n<pre><code class=\"prism language-java\"><span class=\"token keyword\">import<\/span> java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>ArrayList<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">import<\/span> java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>List<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Test<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span>String<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> Student stu1 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u9a6c\u4e91\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">45<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u7537'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu2 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u9a6c\u5316\u817e\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">46<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u7537'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu3 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u8463\u660e\u73e0\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">47<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u5973'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu4 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u7ae0\u6cfd\u5929\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">28<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u5973'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> List list <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span>stu4<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ list.add(\"\u5f20\u4e09\u4e30\");\u56e0\u4e3aadd(odject)\u7c7b\u578b\u53ef\u4ee5\u63d2\u5165\u4efb\u610f\u7c7b\u578b,<\/span> Student student1 <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>Student<span class=\"token punctuation\">)<\/span>list<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> student1<span class=\"token punctuation\">.<\/span><span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"================================\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> Student student <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>Student<span class=\"token punctuation\">)<\/span>list<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> student<span class=\"token punctuation\">.<\/span><span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"==============================\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span>stu1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6839\u636e\u5bf9\u8c61\u5220\u9664<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6839\u636e\u4e0b\u6807\u5220\u9664<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>Object object <span class=\"token operator\">:<\/span> list<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> Student student2 <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>Student<span class=\"token punctuation\">)<\/span>object<span class=\"token punctuation\">;<\/span> student2<span class=\"token punctuation\">.<\/span><span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>\u7ed3\u679c<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-java\">\u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 <span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span> \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u5316\u817e\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">46<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">47<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 <span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span> \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">47<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 <span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span> \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">47<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 <\/code><\/pre>\n<\/li>\n<li>\n<p>\u6848\u4f8b3<\/p>\n<\/li>\n<li>\n<p>\u7528\u6cdb\u578b\u7ea6\u675f\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u7c7b\u578b<\/p>\n<pre><code class=\"prism language-java\"><span class=\"token keyword\">import<\/span> java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>ArrayList<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">import<\/span> java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>List<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Test<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span>String<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> Student stu1 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u9a6c\u4e91\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">45<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u7537'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu2 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u9a6c\u5316\u817e\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">46<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u7537'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu3 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u8463\u660e\u73e0\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">47<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u5973'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu4 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u7ae0\u6cfd\u5929\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">28<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u5973'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/&lt;Student&gt;\u6cdb\u578b \u7528\u4e8e\u7ea6\u675f\u96c6\u5408\u4e2d\u7ea6\u675f\u7684\u7c7b\u578b<\/span> List<span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>Student<span class=\"token punctuation\">&gt;<\/span><\/span> list <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<\/span><span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>Student<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span>stu4<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ list.add(\"\u5f20\u4e09\u4e30\");\u56e0\u4e3a\u5b9a\u4e49\u96c6\u5408\u7684\u65f6\u5019\u901a\u8fc7\u6cdb\u578b\u7ea6\u675f\u4e86\u96c6\u5408\u7684\u7c7b\u578b\u662fStudent,\u6240\u4ee5\u53ea\u80fd\u63d2\u5165Student\u7c7b\u578b\u7684\u6570\u636e<\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"================================\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> Student student <span class=\"token operator\">=<\/span>list<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> student<span class=\"token punctuation\">.<\/span><span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"==============================\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span>stu1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6839\u636e\u5bf9\u8c61\u5220\u9664<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6839\u636e\u4e0b\u6807\u5220\u9664<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>Student student <span class=\"token operator\">:<\/span> list<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> student<span class=\"token punctuation\">.<\/span><span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>\u7ed3\u679c<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-java\">\u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 <span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span> \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u5316\u817e\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">46<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">47<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 <span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span> \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">47<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 <span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span><span class=\"token operator\">==<\/span> \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">47<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 <\/code><\/pre>\n<\/li>\n<\/ul>\n<h5>2.1.2 LinkedList<\/h5>\n<ul>\n<li>\n<p>LinkedList\u7684\u5b9e\u73b0\u673a\u5236\u4e0eArrayList\u7684\u5b9e\u73b0\u673a\u5236\u5b8c\u5168\u4e0d\u540c,ArrayLiat\u5185\u90e8\u4ee5\u6570\u7ec4\u5f62\u5f0f\u4fdd\u5b58\u6570\u7ec4,\u6240\u4ee5\u67e5\u8be2\u548c\u904d\u5386\u5143\u7d20\u5feb,\u4f46\u63d2\u5165\u548c\u5220\u9664\u9700\u8981\u4f4d\u79fb\u6027\u80fd\u4f4e;LinkedList\u5185\u90e8\u4ee5\u94fe\u8868\u7684\u5f62\u5f0f\u4fdd\u5b58\u96c6\u5408\u7684\u5143\u7d20,\u6240\u4ee5\u67e5\u8be2\u548c\u904d\u5386\u6548\u7387\u6bd4ArrayList\u4f4e,\u63d2\u5165\u548c\u5220\u9664\u5143\u7d20\u6548\u7387\u9ad8<\/p>\n<\/li>\n<li>\n<p>LinkedList.add()\u6e90\u7801:<\/p>\n<\/li>\n<li>\n<p>\u628a\u5143\u7d20\u63d2\u5230\u96c6\u5408\u5bb9\u5668\u4e2d\u7684\u540c\u65f6,\u5c06\u8be5\u5143\u7d20\u8bb0\u5f55\u5728\u8be5\u5143\u7d20\u7684\u524d\u3001\u540e\u7684\u4f4d\u7f6e\u3002\u6240\u4ee5\u63d2\u5165\u548c\u5220\u9664\u8be5\u5143\u7d20\u4e0d\u9700\u8981\u4f4d\u79fb<\/p>\n<pre><code class=\"prism language-java\"> <span class=\"token keyword\">void<\/span> <span class=\"token function\">linkLast<\/span><span class=\"token punctuation\">(<\/span>E e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">final<\/span> Node<span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>E<span class=\"token punctuation\">&gt;<\/span><\/span> l <span class=\"token operator\">=<\/span> last<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">final<\/span> Node<span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>E<span class=\"token punctuation\">&gt;<\/span><\/span> newNode <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Node<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span>l<span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">,<\/span> null<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> last <span class=\"token operator\">=<\/span> newNode<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>l <span class=\"token operator\">==<\/span> null<span class=\"token punctuation\">)<\/span> first <span class=\"token operator\">=<\/span> newNode<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">else<\/span> l<span class=\"token punctuation\">.<\/span>next <span class=\"token operator\">=<\/span> newNode<span class=\"token punctuation\">;<\/span> size<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span> modCount<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>LinhkedList\u96c6\u5408\u7684get(i),\u662f\u6839\u636e\u4e0b\u6807\u53c2\u6570,\u5148\u5c06index\u4f4d\u7f6e\u5316\u4e3a\u4e24\u534a,\u5982\u679cindex\u5c0f\u4e8e\u96c6\u5408\u7684\u4e00\u534a\u5c31\u4ece\u7b2c\u4e00\u4e2a\u5f80\u540e\u627e\u76f4\u5230\u627e\u5230index\u7684\u503c\u8d4b\u7ed9x\u8fd4\u56de,\u5982\u679c\u5927\u4e8e\u5c31\u4ece\u96c6\u5408\u6700\u540e\u7684\u503c\u5f80\u524d\u627e,\u76f4\u5230\u627e\u5230index\u7684\u503c\u8d4b\u7ed9x\u8fd4\u56de,\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u4e00\u90e8\u5206\u4e0d\u5fc5\u8981\u7684\u904d\u5386,\u4f46\u662f\u8fd8\u662f\u6ca1\u6709ArrayLiat\u76f4\u63a5\u627e\u5230\u4e0b\u6807\u4f4d\u7f6e\u7684\u5143\u7d20\u6548\u7387\u9ad8\u3002<\/p>\n<pre><code class=\"prism language-java\"> Node<span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>E<span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">node<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> index<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token comment\">\/\/ assert isElementIndex(index);<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>index <span class=\"token operator\">&lt;<\/span> <span class=\"token punctuation\">(<\/span>size <span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> Node<span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>E<span class=\"token punctuation\">&gt;<\/span><\/span> x <span class=\"token operator\">=<\/span> first<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> index<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> x <span class=\"token operator\">=<\/span> x<span class=\"token punctuation\">.<\/span>next<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> x<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> Node<span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>E<span class=\"token punctuation\">&gt;<\/span><\/span> x <span class=\"token operator\">=<\/span> last<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> size <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&gt;<\/span> index<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">--<\/span><span class=\"token punctuation\">)<\/span> x <span class=\"token operator\">=<\/span> x<span class=\"token punctuation\">.<\/span>prev<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> x<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>\u6848\u4f8b<\/p>\n<pre><code class=\"prism language-java\"><span class=\"token keyword\">import<\/span> java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>LinkedList<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">import<\/span> java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>List<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">import<\/span> day02<span class=\"token punctuation\">.<\/span>Student<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Test<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span>String<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> Student stu1 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u9a6c\u4e91\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">45<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u7537'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu2 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u9a6c\u5316\u817e\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">46<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u7537'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu3 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u8463\u660e\u73e0\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">47<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u5973'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu4 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u7ae0\u6cfd\u5929\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">28<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u5973'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> LinkedList<span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>Student<span class=\"token punctuation\">&gt;<\/span><\/span> list <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LinkedList<\/span><span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>Student<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">addFirst<\/span><span class=\"token punctuation\">(<\/span>stu3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u63d2\u5165\u6700\u524d\u9762<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">addLast<\/span><span class=\"token punctuation\">(<\/span>stu4<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u63d2\u5165\u6700\u540e\u9762<\/span> <span class=\"token comment\">\/\/\u83b7\u53d6\u7b2c\u4e00\u4e2a\u548c\u6700\u540e\u4e00\u4e2a\u5bf9\u8c61<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">getFirst<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLast<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>Student student <span class=\"token operator\">:<\/span> list<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> student<span class=\"token punctuation\">.<\/span><span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> Student stu <span class=\"token operator\">=<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> stu<span class=\"token punctuation\">.<\/span><span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>\u7ed3\u679c<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-java\">\u4f60\u597d\u6211\u662f\u8463\u660e\u73e0\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">47<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">47<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 \u4f60\u597d\u6211\u662f\u9a6c\u5316\u817e\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">46<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">47<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 \u4f60\u597d\u6211\u662f\u9a6c\u5316\u817e\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">46<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">28<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 <\/code><\/pre>\n<\/li>\n<\/ul>\n<h5>2.1.3 vector<\/h5>\n<ul>\n<li>\n<p>vector\u7684add()\u65b9\u6cd5\u7684\u6e90\u7801<\/p>\n<pre><code class=\"prism language-java\"><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">synchronized<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>E e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> modCount<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token function\">ensureCapacityHelper<\/span><span class=\"token punctuation\">(<\/span>elementCount <span class=\"token operator\">+<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> elementData<span class=\"token punctuation\">[<\/span>elementCount<span class=\"token operator\">++<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> e<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>synchronized\u4fee\u9970\u4f7f\u65b9\u6cd5\u540c\u6b65,\u6b64\u96c6\u5408\u7ebf\u7a0b\u5b89\u5168\u3002<\/p>\n<\/li>\n<li>\n<p><mark>ArrayList\u548cVector\u7684\u533a\u522b<\/mark><\/p>\n<ul>\n<li>ArrayList\u96c6\u5408\u548cvector\u96c6\u5408\u5e95\u5c42\u6570\u7ec4\u5b58\u50a8\u7684\u64cd\u4f5c\u90fd\u662f\u4e00\u6837\u7684\u3002ArrayList\u975e\u7ebf\u7a0b\u5b89\u5168,\u6548\u7387\u9ad8;vector\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6848\u4f8b<\/p>\n<pre><code class=\"prism language-java\"><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Test<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span>String<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> Student stu1 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u9a6c\u4e91\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">45<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u7537'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu2 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u9a6c\u5316\u817e\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">46<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u7537'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu3 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u8463\u660e\u73e0\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">47<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u5973'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> Student stu4 <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Student<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u7ae0\u6cfd\u5929\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">28<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">'\u5973'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u56e0\u4e3aArrayLiat\u662f\u7ebf\u7a0b\u4e0d\u5b89\u5168\u7684,\u800cvector\u5e95\u5c42\u57fa\u672c\u548cArrayList\u4e00\u81f4\u4e5f\u662f\u4e00\u4e2a\u6570\u7ec4,\u5e76\u4e14\u7ebf\u7a0b\u5b89\u5168<\/span> Vector<span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>Student<span class=\"token punctuation\">&gt;<\/span><\/span> list <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Vector<\/span><span class=\"token generics function\"><span class=\"token punctuation\">&lt;<\/span>Student<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> list<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>stu1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>Student student <span class=\"token operator\">:<\/span> list<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> student<span class=\"token punctuation\">.<\/span><span class=\"token function\">showStudent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>\u7ed3\u679c<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-java\">\u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 \u4f60\u597d\u6211\u662f\u9a6c\u5316\u817e\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">46<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">47<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u5973 \u4f60\u597d\u6211\u662f\u9a6c\u4e91\u5e74\u9f84<span class=\"token operator\">:<\/span><span class=\"token number\">45<\/span>\u6027\u522b<span class=\"token operator\">:<\/span>\u7537 <\/code><\/pre>\n<\/li>\n<\/ul>\n<p>\u6570\u636e\u4f5c\u4e3a\u65b9\u6cd5\u7684\u53c2\u6570<br \/> Map&lt;String,Student&gt; map = new LinkedHashMap&lt;String,Student&gt;();<br \/> map.put(stu1.getName(), stu1);<br \/> map.put(stu2.getName(), stu2);<br \/> map.put(stu3.getName(), stu3);<br \/> map.put(stu4.getName(), stu4);<\/p>\n<pre class=\"language-java prettyprint linenums\"><code> \/\/\u83b7\u53d6\u5230\u6240\u6709\u7684\u952e,\u662f\u4e00\u4e2a\u65e0\u5e8f\u7684set\u96c6\u5408 Set&lt;String&gt; keys = map.keySet(); \/\/\u521b\u5efa\u8fed\u4ee3\u5668,\u8ba9\u65e0\u5e8f\u7684\u952e\u6392\u961f Iterator&lt;String&gt; it = keys.iterator(); while(it.hasNext()) { \/\/\u5224\u65ad\u8fed\u4ee3\u5668\u5bb9\u5668\u91cc\u9762\u6709\u6ca1\u6709\u952e,\u5982\u679c\u6709\u5c31\u53d6\u5230\u4e0b\u4e00\u4e2a\u952e String key = it.next(); \/\/\u6839\u636e\u952e\u83b7\u53d6\u503c Student student = map.get(key); student.showStudent(); } System.out.println(\"=================================\"); for (String key : keys) { Student student = map.get(key); student.showStudent(); } System.out.println(\"===============================\"); for (Student student : map.values()) { student.showStudent(); } } <\/code><\/pre>\n<p>}<\/p>\n<pre class=\"language-java prettyprint linenums\"><code> * \u7ed3\u679c ```java \u4f60\u597d\u6211\u662f\u9a6c\u4e91,\u5e74\u9f84\u662f:45 \u4f60\u597d\u6211\u662f\u9a6c\u5316\u817e,\u5e74\u9f84\u662f:40 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0,\u5e74\u9f84\u662f:47 \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929,\u5e74\u9f84\u662f:28 ================================= \u4f60\u597d\u6211\u662f\u9a6c\u4e91,\u5e74\u9f84\u662f:45 \u4f60\u597d\u6211\u662f\u9a6c\u5316\u817e,\u5e74\u9f84\u662f:40 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0,\u5e74\u9f84\u662f:47 \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929,\u5e74\u9f84\u662f:28 =============================== \u4f60\u597d\u6211\u662f\u9a6c\u4e91,\u5e74\u9f84\u662f:45 \u4f60\u597d\u6211\u662f\u9a6c\u5316\u817e,\u5e74\u9f84\u662f:40 \u4f60\u597d\u6211\u662f\u8463\u660e\u73e0,\u5e74\u9f84\u662f:47 \u4f60\u597d\u6211\u662f\u7ae0\u6cfd\u5929,\u5e74\u9f84\u662f:28 10 <\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"list \u96c6\u5408_list\u96c6\u5408\u548c\u6570\u7ec4\u7684\u533a\u522b\u96c6\u54081.\u5b9a\u4e491.\u96c6\u5408\u53ef\u4ee5\u770b\u4f5c\u662f\u4e00\u79cd\u5bb9\u5668\uff0c\u7528\u6765\u5b58\u50a8\u5bf9\u8c61\u4fe1\u606f\u7684\u5bb9\u5668,\u5e76\u4e14\u957f\u5ea6\u662f\u53ef\u53d8\u7684","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/6072"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=6072"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/6072\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=6072"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=6072"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=6072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}