{"id":860,"date":"2024-01-13T18:01:02","date_gmt":"2024-01-13T10:01:02","guid":{"rendered":""},"modified":"2024-01-13T18:01:02","modified_gmt":"2024-01-13T10:01:02","slug":"\u5f02\u5e38","status":"publish","type":"post","link":"https:\/\/mushiming.com\/860.html","title":{"rendered":"\u5f02\u5e38"},"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<div class=\"toc\">\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u4e00\u3001\u5f02\u5e38\u6982\u8ff0<\/li>\n<li>\u4e8c\u3001\u5f02\u5e38\u5206\u7c7b<\/li>\n<li>\u4e09\u3001\u57fa\u672c\u5f02\u5e38\u5904\u7406<\/li>\n<\/ul>\n<\/div>\n<h2>\u4e00\u3001\u5f02\u5e38\u6982\u8ff0<\/h2>\n<blockquote>\n<p>\u6ce8\u610f\uff01\u5f02\u5e38\u4e0d\u7b49\u540c\u4e8e\u9519\u8bef<\/p>\n<\/blockquote>\n<p>\u5728\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u51fa\u73b0\u4e00\u4e9b\u610f\u5916\u7684\u60c5\u51b5\uff0c\u8fd9\u4e9b\u610f\u5916\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u51fa\u9519\u6216\u8005\u5d29\u6e83\uff0c\u4ece\u800c\u5f71\u54cd\u7a0b\u5e8f\u7684\u6b63\u5e38\u6267\u884c\uff0c\u5982\u679c\u4e0d\u80fd\u5f88\u597d\u5730\u5904\u7406\u8fd9\u4e9b\u610f\u5916\u60c5\u51b5\uff0c\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u5c31\u4f1a\u53d7\u5230\u8d28\u7591\u3002\u5728Java\u8bed\u8a00\u4e2d\uff0c\u8fd9\u4e9b<strong>\u7a0b\u5e8f\u610f\u5916<\/strong>\u79f0\u4e3a<strong>\u5f02\u5e38<\/strong>\uff0c\u51fa\u73b0\u5f02\u5e38\u65f6\u7684\u5904\u7406\u79f0\u4e3a\u5f02\u5e38\u5904\u7406\uff0c\u5408\u7406\u7684\u5f02\u5e38\u5904\u7406\u53ef\u4ee5\u4f7f\u6574\u4e2a\u9879\u76ee\u66f4\u52a0\u7a33\u5b9a\uff0c\u4e5f\u53ef\u4ee5\u662f\u9879\u76ee\u4e2d\u6b63\u5e38\u7684\u4ee3\u7801\u548c\u9519\u8bef\u5904\u7406\u7684\u4ee3\u7801\u5b9e\u73b0\u5206\u79bb\uff0c\u4fbf\u4e8e\u4ee3\u7801\u7684\u9605\u8bfb\u548c\u7ef4\u62a4\u3002<\/p>\n<blockquote>\n<p>\u5f02\u5e38\u5f15\u5165\uff1a\u6bd4\u5982\u8bf4\uff0c\u7a0b\u5e8f\u5458\u5b9a\u4e49\u7684\u6570\u7ec4\u957f\u5ea6\u662f3\uff0c\u800c\u5728\u4f7f\u7528\u6570\u7ec4\u65f6\uff0c\u5374\u8bbf\u95ee\u4e86\u4e0b\u6807\u4e3a3\u7684\u7b2c4\u4e2a\u6570\u7ec4\u5143\u7d20\uff0c\u6240\u4ee5\u7a0b\u5e8f\u51fa\u73b0\u5f02\u5e38\u3002<\/p>\n<\/blockquote>\n<h2>\u4e8c\u3001\u5f02\u5e38\u5206\u7c7b<\/h2>\n<ul>\n<li>Throwable,\u6240\u6709\u5f02\u5e38\u90fd\u7ee7\u627f\u81eajava.lang.Throwable\u7c7b\uff0cThrowable\u7c7b\u6709\u4e24\u4e2a\u76f4\u63a5\u5b50\u7c7b\uff1aError\u7c7b\u548cException\u7c7b\u3002<\/li>\n<\/ul>\n<ol>\n<li>Error\u7c7b\u662fThrowable\u7c7b\u7684\u5b50\u7c7b\uff0c\u662fJava\u5e94\u7528\u7a0b\u5e8f\u672c\u8eab\u65e0\u6cd5\u6062\u590d\u7684\u4e25\u91cd<strong>\u9519\u8bef<\/strong>\uff0c\u5e94\u7528\u7a0b\u5e8f\u4e0d\u9700\u8981\u6355\u83b7\u3001\u5904\u7406\u8fd9\u4e9b\u4e25\u91cd\u9519\u8bef\u3002\u5f53\u7a0b\u5e8f\u53d1\u751f\u8fd9\u79cd\u4e25\u91cd\u9519\u8bef\u65f6\uff0c\u901a\u5e38\u7684\u505a\u6cd5\u662f\u901a\u77e5\u7528\u6237\u5e76\u4e2d\u6b62\u7a0b\u5e8f\u7684\u6267\u884c\u3002<\/li>\n<li>Exception\u662f\u7531Java\u5e94\u7528\u7a0b\u5e8f\u629b\u51fa\u548c\u5904\u7406\u7684\u975e\u4e25\u91cd\u9519\u8bef\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a<strong>\u5f02\u5e38<\/strong>\u3002\u5f02\u5e38\u53ef\u5206\u4e3a\u8fd0\u884c\u65f6\u5f02\u5e38\uff08RuntimeException\uff09\u548c\u68c0\u67e5\u65f6\u5f02\u5e38\uff08CheckedException\uff09\u4e24\u79cd\u3002<\/li>\n<\/ol>\n<p>RuntimeException\uff0c\u8fd0\u884c\u65f6\u5f02\u5e38\u5373\u7a0b\u5e8f\u8fd0\u884c\u65f6\u629b\u51fa\u7684\u5f02\u5e38\uff0c\u4e0d\u8981\u6c42\u7a0b\u5e8f\u5458\u5728\u7f16\u7a0b\u65f6\u5fc5\u987b\u5bf9\u8fd9\u4e9b\u5f02\u5e38\u8fdb\u884c\u5904\u7406\uff0c\u4e5f\u80fd\u7f16\u8bd1\u901a\u8fc7\u3002<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-java\">Exception in thread <span class=\"token string\">\"main\"<\/span> java<span class=\"token punctuation\">.<\/span>lang<span class=\"token punctuation\">.<\/span>ArithmeticException<span class=\"token operator\">:<\/span> <span class=\"token operator\">\/<\/span> by zero\n        at App<span class=\"token punctuation\">.<\/span><span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span>App<span class=\"token punctuation\">.<\/span>java<span class=\"token operator\">:<\/span><span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span>\n<\/code><\/pre>\n<p>CheckedException\uff0c\u68c0\u67e5\u65f6\u5f02\u5e38\u53c8\u79f0\u4e3a\u975e\u8fd0\u884c\u65f6\u5f02\u5e38\uff0c\u8fd9\u6837\u7684\u5f02\u5e38\u8981\u6c42\u7a0b\u5e8f\u5458\u5fc5\u987b\u5728\u7f16\u7a0b\u65f6\u8fdb\u884c\u5904\u7406\uff0c\u5426\u5219\u5c31\u4f1a\u7f16\u8bd1\u4e0d\u901a\u8fc7\u3002\u4f8b\u5982<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-java\">App<span class=\"token punctuation\">.<\/span>java<span class=\"token operator\">:<\/span><span class=\"token number\">24<\/span><span class=\"token operator\">:<\/span> error<span class=\"token operator\">:<\/span> unreported exception FileNotFoundException<span class=\"token punctuation\">;<\/span> must be caught o\nr declared to be thrown\n        FileReader fr<span class=\"token operator\">=<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FileReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"F:\\\\aa.txt\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n                      <span class=\"token operator\">^<\/span>\n<span class=\"token number\">1<\/span> error\n<\/code><\/pre>\n<p><strong>\u4e3a\u4ec0\u4e48\u8fd0\u884c\u65f6\u5f02\u5e38\u4e0d\u9700\u8981\u9884\u5148\u5904\u7406\uff0c\u800c\u68c0\u67e5\u65f6\u5f02\u5e38\u5c31\u5fc5\u987b\u8981\u9884\u5148\u5904\u7406\uff1f<\/strong><\/p>\n<ol>\n<li>\u8fd0\u884c\u65f6\u5f02\u5e38\u53d1\u751f\u6982\u7387\u8f83\u4f4e<\/li>\n<li>\u68c0\u67e5\u5f02\u5e38\u53d1\u751f\u6982\u7387\u8f83\u9ad8<\/li>\n<\/ol>\n<h2>\u4e09\u3001\u57fa\u672c\u5f02\u5e38\u5904\u7406<\/h2>\n<p>Java\u5bf9\u5f02\u5e38\u7684\u5904\u7406\u91c7\u53d6\u7684\u662f\u629b\u51fa\u3001\u6355\u83b7\u7684\u673a\u5236\uff0c\u5373\u7531\u4e00\u6bb5\u53ef\u80fd\u629b\u51fa\u5f02\u5e38\u7684\u7a0b\u5e8f\u629b\u51fa\u5f02\u5e38\uff08\u4e5f\u53ef\u80fd\u6b63\u5e38\u8fd0\u884c\uff0c\u4e0d\u629b\u51fa\u5f02\u5e38\uff09\uff0c\u5728\u8fd9\u6bb5\u7a0b\u5e8f\u5916\u6709\u4e13\u95e8\u7684\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\u8fdb\u884c\u5904\u7406\uff0c\u9488\u5bf9\u629b\u51fa\u7684\u4e0d\u540c\u7c7b\u578b\u7684\u5f02\u5e38\u6355\u6349\u540e\u8fdb\u884c\u7406\uff0c\u8fd9\u5c31\u662fJava\u5f02\u5e38\u5904\u7406\u673a\u5236\u3002<\/p>\n<p>Java\u5f02\u5e38\u5904\u7406\u673a\u5236\u7684\u8bed\u6cd5\u5f62\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"prism language-java\"><span class=\"token keyword\">try<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span>\n\t<span class=\"token comment\">\/\/\u53ef\u80fd\u629b\u51fa\u5f02\u5e38\u7684\u8bed\u53e5\u5757<\/span>\n\t<span class=\"token punctuation\">}<\/span><span class=\"token keyword\">catch<\/span><span class=\"token punctuation\">(<\/span>SomeException1 e<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/SomeExeception1 \u7279\u6307\u67d0\u4e9b\u5f02\u5e38\uff0c\u975eJava\u4e2d\u5177\u4f53\u5f02\u5e38\uff0c\u4e0b\u540c<\/span>\n\t<span class=\"token punctuation\">{ \n   <!-- --><\/span>\t\t\t\t\t\t<span class=\"token comment\">\/\/\u6309\u4f4fCtrl\uff0c\u7136\u540e\u9f20\u6807\u5de6\u952e\u70b9\u51fb\u53ef\u80fd\u629b\u51fa\u5f02\u5e38\uff0c\u4fbf\u77e5\u9053SomeException\u662f\u4ec0\u4e48<\/span>\n\t<span class=\"token comment\">\/\/\u5f53\u6355\u83b7\u5230SomeException1\u7c7b\u578b\u7684\u5f02\u5e38\u65f6\u6267\u884c\u7684\u8bed\u53e5\u5757<\/span>\n\t<span class=\"token punctuation\">}<\/span><span class=\"token keyword\">catch<\/span><span class=\"token punctuation\">(<\/span>SomeException2 e<span class=\"token punctuation\">)<\/span>\n\t<span class=\"token punctuation\">{ \n   <!-- --><\/span>\n\t<span class=\"token comment\">\/\/\u5f53\u6355\u83b7\u5230SomeException2\u7c7b\u578b\u7684\u5f02\u5e38\u65f6\u6267\u884c\u7684\u8bed\u53e5\u5757<\/span>\n\t<span class=\"token punctuation\">}<\/span><span class=\"token keyword\">finally<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span>\n\t<span class=\"token comment\">\/\/\u65e0\u8bba\u662f\u5426\u53d1\u751f\u5f02\u5e38\u90fd\u4f1a\u6267\u884c\u7684\u4ee3\u7801<\/span>\n\t<span class=\"token punctuation\">}<\/span>\t\t\t\t\t\t\n<span class=\"token punctuation\">}<\/span>\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\u8fd8\u662f\u4ece\u7a0b\u5e8f\u5f00\u59cb\uff0c\u770b\u770b\u5982\u5982\u7f16\u5199\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f<\/p>\n<pre><code class=\"prism language-java\"><span class=\"token comment\">\/** * @ClassName TestEX5 * @Description: TODO * @Author YingFengli * @Date 2021\/2\/21\/021 * @Version V1.0 **\/<\/span>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TestEX5<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span>\n    <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>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span>\n            String teachers<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">=<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span><span class=\"token string\">\"\u5218\u6d77\u9f99\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">\"\u5b59\u4f20\u6770\"<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string\">\"\u5b59\u60a6\"<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\n            <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> <span class=\"token number\">4<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span>\n                System<span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>teachers<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n            <span class=\"token punctuation\">}<\/span>\n        <span class=\"token punctuation\">}<\/span><span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span>\n            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\">\"\u6570\u7ec4\u4e0b\u6807\u8d8a\u754c\uff0c\u8bf7\u4fee\u6539\u7a0b\u5e8f\uff01\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token punctuation\">}<\/span>\n        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\">\"\u663e\u793a\u5b8c\u6bd5\uff01\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n<span class=\"token punctuation\">}<\/span>\n\n<\/code><\/pre>\n<p>\u5176\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b<br \/> <img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20210221122751469.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"\u5f02\u5e38 (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"\u5f02\u5e38  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n","protected":false},"excerpt":{"rendered":"\u5f02\u5e38\u6587\u7ae0\u76ee\u5f55\u4e00\u3001\u5f02\u5e38\u6982\u8ff0\u4e8c\u3001\u5f02\u5e38\u5206\u7c7b\u4e09\u3001\u57fa\u672c\u5f02\u5e38\u5904\u7406\u4e00\u3001\u5f02\u5e38\u6982\u8ff0\u6ce8\u610f\uff01\u5f02\u5e38\u4e0d\u7b49\u540c\u4e8e\u9519\u8bef\u5728\u7a0b\u5e8f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u51fa\u73b0\u4e00...","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\/860"}],"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=860"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/860\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}