{"id":8120,"date":"2024-06-22T08:01:01","date_gmt":"2024-06-22T00:01:01","guid":{"rendered":""},"modified":"2024-06-22T08:01:01","modified_gmt":"2024-06-22T00:01:01","slug":"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe","status":"publish","type":"post","link":"https:\/\/mushiming.com\/8120.html","title":{"rendered":"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe"},"content":{"rendered":"<h4><span style=\"color:#38d8f0;\">3.1 \u7a0b\u5e8f\u7ed3\u6784<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">3.2\u6761\u4ef6\u8bed\u53e5<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">3.2.1 &nbsp;if\u6761\u4ef6\u8bed\u53e5<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.2\u4e24\u79cd\u60c5\u51b5\u90fd\u662f\u6b63\u786e\u7684<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u200b<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.2 \u62e8\u6253\u7535\u8bdd<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">3. if...else if\u591a\u5206\u652f\u8bed\u53e5<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.3\u4f7f\u7528if...else\u8bed\u53e5\u5224\u65ad\u53d8\u91cf\u7684\u503c\u6765\u5b9a\u8f93\u51fa\u7ed3\u679c<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.4\u5728\u9879\u76ee\u4e2d\u521b\u5efa\u7c7bGetifese\uff0c\u5728\u4e3b\u65b9\u6cd5\u4e2d\u5b9a\u4e49\u53d8\u91cf\uff0c\u4f7f\u7528if..else if\u591a\u5206\u652f\u8bed\u53e5\u901a\u8fc7\u65adx\u7684\u503c\u51b3\u5b9a\u8f93\u51fa\u7ed3\u679c\u3002<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">4. if\u8bed\u53e5\u7684\u5d4c\u5957<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.5\u5224\u65ad\u662f\u5426\u662f\u95f0\u5e74<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">&nbsp;\u4f8b3.6\u5224\u65ad\u662f\u5426\u662f\u95f0\u5e74\uff0c\u7528\u4e00\u6761\u903b\u8f91\u8bed\u53e5\u8fdb\u884c\u5224\u65ad<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">switch\u8bed\u53e5<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">&nbsp;\u4f8b3.7\u4f7f\u7528switch\u8bed\u53e5\u5224\u65ad\u661f\u671f\uff0c\u5e76\u6253\u5370\u5bf9\u5e94\u7684\u82f1\u6587<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.8\u521b\u5efa\u6210\u7ee9\u7c7b\uff0c\u4f7f\u7528Scanner\u7c7b\u5728\u63a7\u5236\u53f0\u8f93\u5165\u5206\u6570\uff0c \u56fe3.12\u5224\u65ad\u661f\u671f\u5e76\u6253\u5370\u51fa\u8138 \u4f8b3.publ\u7136\u540e\u7528switch\u8bed\u53e5\u5224\u65ad\u8f93\u5165\u7684\u5206\u6570\u5c5e\u4e8e\u54ea\u7c7b\u6210\u7ee9\u300210\u5206\u30019\u5206\u5c5e\u4e8e\u4f18\uff0c8\u5206\u5c5e\u4e8e\u826f\uff0c7\u5206\u30016\u5206\u5c5e\u4e8e\u53ca\u683c\uff0c5\u5206\u30014\u5206\u30013\u5206\u30012\u5206\u30011\u5206\u30010\u5206\u5747\u4e3a\u4e0d\u53ca\u683c\u3002<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.9 \u901a\u8fc7switch\u8bed\u53e5\u6839\u636e\u5b57\u7b26\u4e32str\u7684\u503c\uff0c\u8f93\u51fa\u4e0d\u540c\u7684\u63d0\u793a\u4fe1\u606f\u3002<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">3.3\u5faa\u73af\u8bed\u53e5<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">3.3.1 &nbsp;while\u5faa\u73af\u8bed\u53e5<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.10\u5728\u9879\u76ee\u4e2d\u521b\u5efa\u7c7bCycle,\u5728\u4e3b\u65b9\u6cd5\u4e2d\u901a\u8fc7while\u5faa\u73af\u5c06\u6574\u65701\u2014100\u76f8\u52a0<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">3.2 &nbsp;do...while\u5faa\u73af\u8bed\u53e5<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.11 \u5728\u9879\u76ee\u4e2d\u521b\u5efa\u7c7bCycle<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">3.3 &nbsp;while \u4e0e do...while \u6bd4\u8f83&nbsp;<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.12\u4f7f\u7528do..while\u5faa\u73af\u8f93\u51faJ\u7684\u503c<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.13\u4f7f\u7528while\u5faa\u73af\u8f93\u51faJ\u7684\u503c<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.14 \u4f7f\u7528for\u5faa\u73af\u5b8c\u62101\u2014100\u7684\u76f8\u52a0\u8fd0\u7b97<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">3.5 &nbsp;foreach\u8bed\u53e5&nbsp;<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">&nbsp;\u4f8b3.15\u5728\u9879\u76ee\u4e2d\u521b\u5efa\u7c7bRepetition,\u5728\u4e3b\u65b9\u6cd5\u4e2d\u5b9a\u4e49\u4e00\u7ef4\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528foreach\u8bed\u53e5\u904d\u5386<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.16\u4f7f\u7528\u5d4c\u5957\u7684for\u5faa\u73af\u8f93\u51fa\u4e58\u6cd5\u53e3\u8bc0<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">&nbsp;3.4\u8df3\u8f6c\u8bed\u53e5<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.17\u8f93\u51fa1\u201420\u7684\u7b2c\u4e00\u4e2a\u5076\u6570\uff0c\u4f7f\u7528break\u8df3\u51fa\u5faa\u73af<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.18\u5728\u5d4c\u5957\u7684\u5faa\u73af\u4e2d\u4f7f\u7528break,\u8df3\u51fa\u5185\u5c42\u5faa\u73af<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.19\u4f7f\u7528\u5e26\u6709\u6807\u7b7e\u7684break\u8df3\u51fa\u5916\u5c42\u5faa\u73af<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">&nbsp;3.4.2 continue \u8bed\u53e5<\/span><\/h4>\n<h4><span style=\"color:#38d8f0;\">\u4f8b3.20\u8f93\u51fa1\u201420\u7684\u5076\u6570\u4f7f\u7528continue\u8bed\u53e5\u8df3\u51fa\u5faa\u73af<\/span><\/h4>\n<h2 id=\"3.1%20%E7%A8%8B%E5%BA%8F%E7%BB%93%E6%9E%84\">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 3.1 \u7a0b\u5e8f\u7ed3\u6784<\/h2>\n<p>\u987a\u5e8f\u7ed3\u6784\u3001\u9009\u62e9\u7ed3\u6784\u548c\u5faa\u73af\u7ed3\u6784\u662f\u7ed3\u6784\u5316\u7a0b\u5e8f\u8bbe\u8ba1\u76843\u79cd\u57fa\u672c\u7ed3\u6784\uff0c\u662f\u5404\u79cd\u590d\u6742\u7a0b\u5e8f\u7684\u57fa\u672c\u6784\u9020\u5355\u5143\u3002\u56fe3.1\u5c55\u793a\u4e86\u8fd93\u79cd\u7a0b\u5e8f\u7ed3\u6784\u7684\u57fa\u672c\u7406\u5ff5\uff0c\u5176\u4e2d\uff0c\u7b2c\u4e00\u5e45\u56fe\u662f\u987a\u5e8f\u7ed3\u6784\u7684\u6d41\u7a0b\u56fe\uff0c\u5b83\u5c31\u662f\u6309\u7167\u4e66\u5199\u987a\u5e8f\u6267\u884c\u7684\u8bed\u53e5\u6784\u6210\u7684\u7a0b\u5e8f\u6bb5\uff1b\u7b2c\u4e8c\u5e45\u56fe\u662f\u9009\u62e9\u7ed3\u6784\u7684\u6d41\u7a0b\u56fe\uff0c\u5b83\u4e3b\u8981\u6839\u636e\u8f93\u5165\u6570\u636e\u548c\u4e2d\u95f4\u7ed3\u679c<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/676df5165c04488693f2424a51951060.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h2>3.2\u6761\u4ef6\u8bed\u53e5<br \/> &nbsp; &nbsp;\u5728Java\u4e2d\uff0c\u6761\u4ef6\u8bed\u53e5\u4e3b\u8981\u5305\u62ecif\u8bed\u53e5\u548cswitch\u8bed\u53e5\u4e24\u79cd<\/h2>\n<h4>3.2.1 &nbsp;if\u6761\u4ef6\u8bed\u53e5<br \/> &nbsp; &nbsp; &nbsp; &nbsp; if\u6761\u4ef6\u8bed\u53e5\u4e3b\u8981\u7528\u4e8e\u544a\u8bc9\u7a0b\u5e8f\u5728\u67d0\u4e2a\u6761\u4ef6\u6210\u7acb\u7684\u60c5\u51b5\u4e0b\u6267\u884c\u67d0\u6bb5\u8bed\u53e5\uff0c\u800c\u5728\u53e6\u4e00\u79cd\u60c5\u51b5\u4e0b\u6267\u884c<br \/> \u53e6\u5916\u7684\u8bed\u53e5\u3002<br \/> &nbsp; &nbsp; &nbsp; &nbsp; \u4f7f\u7528if\u6761\u4ef6\u8bed\u53e5\uff0c\u53ef\u9009\u62e9\u662f\u5426\u8981\u6267\u884c\u7d27\u8ddf\u5728\u6761\u4ef6\u4e4b\u540e\u7684\u90a3\u4e2a\u8bed\u53e5\u3002\u5173\u952e\u5b57if\u4e4b\u540e\u662f\u4f5c\u4e3a\u6761\u4ef6\u7684\u5e03\u5c14\u8868\u8fbe\u5f0f\u201d\uff0c\u5982\u679c\u8be5\u8868\u8fbe\u5f0f\u8fd4\u56de\u7684\u7ed3\u679c\u4e3atrue\uff0c\u5219\u6267\u884c\u5176\u540e\u7684\u8bed\u53e5;\u82e5\u4e3afalse\uff0c\u5219\u4e0d\u6267\u884cif\u6761\u4ef6\u4e4b\u540e\u7684\u8bed\u53e5\u3002if\u6761\u4ef6\u8bed\u53e5\u53ef\u5206\u4e3a\u7b80\u5355\u7684if\u6761\u4ef6\u8bed\u53e5\u3001if...else \u8bed\u53e5\u548c if...else if\u591a\u5206\u652f\u8bed\u53e5\u3002<\/h4>\n<p>\u4f8b3.2\u4e24\u79cd\u60c5\u51b5\u90fd\u662f\u6b63\u786e\u7684<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/41451b28f80a4151bdd6ac68127fc296.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c2\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h2>\u4f8b3.2 \u62e8\u6253\u7535\u8bdd&nbsp;<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/f3e3375c618345ba9ae460109ee06fad.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c3\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/8220db1ca8a145fa90732d874ebfcc7f.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c4\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c4\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" >&nbsp;<\/p>\n<h3 id=\"3.%20if...else%20if%E5%A4%9A%E5%88%86%E6%94%AF%E8%AF%AD%E5%8F%A5\">3. if...else if\u591a\u5206\u652f\u8bed\u53e5<\/h3>\n<p>if...else if\u591a\u5206\u652f\u8bed\u53e5\u7528\u4e8e\u9488\u5bf9\u67d0\u4e00\u4e8b\u4ef6\u7684\u591a\u79cd\u60c5\u51b5\u8fdb\u884c\u5904\u7406\u3002\u901a\u5e38\u8868\u73b0\u4e3a\u201c\u5982\u679c\u6ee1\u8db3\u67d0\u79cd\u6761\u4ef6\uff0c\u5c31\u8fdb\u884c\u67d0\u79cd\u5904\u7406\uff1b\u5982\u679c\u6ee1\u8db3\u53e6\u4e00\u79cd\u6761\u4ef6\uff0c\u5219\u8fdb\u884c\u53e6\u4e00\u79cd\u5904\u7406\u201d<\/p>\n<p>&nbsp;<img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/6cc131d3c46f40a1bab82b39e473dd6b.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c5\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c5\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h2>\u4f8b3.3\u4f7f\u7528if...else\u8bed\u53e5\u5224\u65ad\u53d8\u91cf\u7684\u503c\u6765\u5b9a\u8f93\u51fa\u7ed3\u679c&nbsp;<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/1687fd3116b4446ab121996dac5427c5.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c6\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c6\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/6b4aa1aa89ff44599f7ff7349354c2fa.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c7\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c7\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" >&nbsp;<\/p>\n<h2>\u4f8b3.4\u5728\u9879\u76ee\u4e2d\u521b\u5efa\u7c7bGetifese\uff0c\u5728\u4e3b\u65b9\u6cd5\u4e2d\u5b9a\u4e49\u53d8\u91cf\uff0c\u4f7f\u7528if..else if\u591a\u5206\u652f\u8bed\u53e5\u901a\u8fc7\u65adx\u7684\u503c\u51b3\u5b9a\u8f93\u51fa\u7ed3\u679c\u3002&nbsp;<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/d3afd912e270479185929ac029fd6b9d.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c8\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c8\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/51f3c865304c44739e045563d49d86ad.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c9\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c9\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" >&nbsp;<\/p>\n<h2>&nbsp;4. if\u8bed\u53e5\u7684\u5d4c\u5957<\/h2>\n<p>\u524d\u9762\u8bb2\u8fc7\u4e09\u79cd\u5f62\u5f0f\u7684\u6761\u4ef6\u8bed\u53e5\uff0c\u8fd9\u4e09\u79cd\u5f62\u5f0f\u7684\u6761\u4ef6\u8bed\u53e5\u90fd\u53ef\u4ee5\u5d4c\u5957\u6761\u4ef6\u8bed\u53e5\u3002\u4f8b\u5982\uff0c\u5728\u7b2c\u4e00\u5f62\u5f0f\u7684\u6761\u4ef6\u8bed\u53e5\u4e2d\u5d4c\u5957\u7b2c\u4e8c\u79cd\u5f62\u5f0f\u7684\u6761\u4ef6\u8bed\u53e5\u3002\u5f62\u5f0f\u5982\u4e0b\uff1a\\<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/6dbe61bb875147258dfbb441616478ef.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c10\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c10\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u5728\u7b2c\u4e8c\u79cd\u5f62\u5f0f\u7684\u6761\u4ef6\u8bed\u53e5\u4e2d\u5d4c\u5957\u7b2c\u4e8c\u79cd\u5f62\u5f0f\u7684\u6761\u4ef6\u8bed\u53e5\u3002\u5f62\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/77ebfd0407a24cf3be085ea685c63f74.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c11\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c11\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" >&nbsp;<\/p>\n<p>\u6761\u4ef6\u8bed\u53e5\u53ef\u4ee5\u6709\u591a\u79cd\u5d4c\u5957\u65b9\u5f0f\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u8981\u8fdb\u884c\u8bbe\u8ba1\uff0c\u4f46\u4e00\u5b9a\u8981\u6ce8\u610f\u903b\u8f91\u5173\u7cfb<\/p>\n<h3 id=\"%E4%BE%8B3.5%E5%88%A4%E6%96%AD%E6%98%AF%E5%90%A6%E6%98%AF%E9%97%B0%E5%B9%B4\">\u4f8b3.5\u5224\u65ad\u662f\u5426\u662f\u95f0\u5e74<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/b10841ce07a04519ab9803cc5c81ef34.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c12\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c12\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/12fec7b26a4348668461c9b739fedba8.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c13\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c13\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" >&nbsp;<\/p>\n<h3>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;switch\u8bed\u53e5<br \/> switch\u8bed\u53e5\u4e2d\u53c2\u6570\u5fc5\u987b\u662f\u6574\u578b\uff0c\u5b57\u7b26\u578b\uff0c\u679a\u4e3e\u7c7b\u578b\u548c\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u5e38\u91cf\u503c1~n\u5fc5\u987b\u662f\u4e0e\u53c2\u6570\u517c\u5bb9\u7684\u6570\u636e\u7c7b\u578b.<\/h3>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; switch \u8bed\u53e5\u9996\u5148\u8ba1\u7b97\u53c2\u6570\u7684\u503c,\u5982\u679c\u53c2\u6570\u7684\u503c\u548c\u67d0\u4e2acase \u540e\u9762\u7684\u5e38\u91cf\u8868\u8fbe\u5f0f\u76f8\u540c,\u5219\u6267\u884c\u8be5 case\u543e\u53e5\u540e\u7684\u82e5\u5e72\u4e2a\u8bed\u53e5\uff0c\u76f4\u5230\u9047\u5230 break \u8bed\u53e5\u4e3a\u6b62\u3002\u6b64\u65f6\u5982\u679c\u8be5 case \u8bed\u53e5\u4e2d\u6ca1\u6709 break \u8bed\u53e5\uff0c\u5c06\u7ee7\u7eed\u6267\u884c\u540e\u9762 case \u4e2d\u7684\u82e5\u5e72\u4e2a\u8bed\u53e5\uff0c\u76f4\u5230\u9047\u5230 break \u8bed\u53e5\u4e3a\u6b62\u3002\u82e5\u6ca1\u6709\u4efb\u4f55\u4e00\u4e2a\u5e38\u91cf\u8868\u8fbe\u5f0f\u4e0e\u53c2\u6570\u7684\u503c\u76f8\u540c\uff0c\u5219\u6267\u884c default \u540e\u9762\u7684\u8bed\u53e5\u3002<br \/> &nbsp; &nbsp; &nbsp; &nbsp; break \u7684\u4f5c\u7528\u662f\u8df3\u51fa\u6574\u4e2a switch \u8bed\u53e5\u3002<br \/> &nbsp; &nbsp; &nbsp; &nbsp; default \u8bed\u53e5\u662f\u53ef\u4ee5\u4e0d\u5199\u7684\uff0c\u5982\u679c\u5b83\u4e0d\u5b58\u5728\uff0c\u800c\u4e14 switch \u8bed\u53e5\u4e2d\u8868\u8fbe\u5f0f\u7684\u503c\u4e0d\u4e0e\u4efb\u4f55 case \u7684\u5e38\u91cf\u503c\u76f8\u540c\uff0cswitch \u5219\u4e0d\u505a\u4efb\u4f55\u5904\u7406\u3002<\/p>\n<p>\u4ee5\u4e00\u4e2a\u8f83\u7b80\u5355\u660e\u4e86\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u201c\u591a\u9009\u4e00\u201d\u7684\u9009\u62e9\u3002 \u8bed\u6cd5\u5982\u4e0b<br \/> &nbsp;<\/p>\n<pre class=\"language-java prettyprint linenums\"><code>switch(\u7528\u4e8e\u5224\u65ad\u7684\u53c2\u6570){ case \u5e38\u91cf\u8868\u8fbe\u5f0f1\uff1a\u8bed\u53e51\uff1b[break\uff1b] case \u5e38\u91cf\u8868\u8fbe\u5f0f2\uff1a\u8bed\u53e52\uff1b[break\uff1b]...... case \u5e38\u91cf\u8868\u8fbe\u5f0fn\uff1a\u8bed\u53e5n;[break;] default\uff1a\u8bed\u53e5n+1\uff1b[break;] }<\/code><\/pre>\n<p>&nbsp;switch\u8bed\u53e5\u9996\u5148\u8ba1\u7b97\u53c2\u6570\u7684\u503c\uff0c\u5982\u679c\u53c2\u6570\u7684\u503c\u548c\u67d0\u4e2acase\u540e\u9762\u7684\u5e38\u91cf\u8868\u8fbe\u5f0f\u76f8\u540c\uff0c\u5219\u6267\u884c\u8be5case\u8bed\u53e5\u540e\u7684\u82e5\u5e72\u4e2a\u8bed\u53e5\uff0c\u76f4\u5230\u9047\u5230break\u8bed\u53e5\u4e3a\u6b62\u3002\u6b64\u65f6\u5982\u679c\u8be5case\u8bed\u53e5\u4e2d\u6ca1\u6709break\u8bed\u53e5\uff0c\u5c06\u7ee7\u7eed\u6267\u884c\u540e\u9762case\u4e2d\u7684\u82e5\u5e72\u4e2a\u8bed\u53e5\uff0c\u76f4\u5230\u9047\u5230break\u8bed\u53e5\u4e3a\u6b62\u3002\u82e5\u6ca1\u6709\u4efb\u4f55\u4e00\u4e2a\u5e38\u91cf\u8868\u8fbe\u5f0f\u4e0e\u53c2\u6570\u7684\u503c\u76f8\u540c\uff0c\u5219\u6267\u884cdefault\u540e\u9762\u7684\u8bed\u53e5\u3002<br \/> break\u7684\u4f5c\u7528\u662f\u8df3\u51fa\u6574\u4e2aswitch\u8bed\u53e5\u3002<br \/> default\u8bed\u53e5\u662f\u53ef\u4ee5\u4e0d\u5199\u7684\uff0c\u5982\u679c\u5b83\u4e0d\u5b58\u5728\uff0c\u800c\u4e14switch\u8bed\u53e5\u4e2d\u8868\u8fbe\u5f0f\u7684\u503c\u4e0d\u4e0e\u4efb\u4f55case\u7684\u5e38\u91cf\u503c\u76f8\u540c\uff0cswitch\u5219\u4e0d\u505a\u4efb\u4f55\u5904\u7406\u3002switch\u8bed\u53e5\u7684\u6267\u884c\u6d41\u7a0b\u5982\u56fe3.11\u6240\u793a\u3002<br \/><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/04376bb70ff84f4885a852af9cba9b1a.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c14\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c14\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<pre class=\"language-java prettyprint linenums\"><code>public class GetSwitch { public static void main(String[] args) { int week=2;\/\/\u5b9a\u4e49int\u578b\u53d8\u91cfweek switch (week) { case 1:\/\/\u5b9a\u4e49case\u8bed\u53e5\u4e2d\u5e38\u91cf\u4e3a1 System.out.println(\"Monday\"); break; case 2:\/\/\u5b9a\u4e49case\u8bed\u53e5\u4e2d\u5e38\u91cf\u4e3a2 System.out.println(\"Tuesday\"); break; case 3:\/\/\u5b9a\u4e49case\u8bed\u53e5\u4e2d\u5e38\u91cf\u4e3a3 System.out.println(\"Wednesday\"); break; case 4:\/\/\u5b9a\u4e49case\u8bed\u53e5\u4e2d\u5e38\u91cf\u4e3a4 System.out.println(\"Thursday\"); break; case 5:\/\/\u5b9a\u4e49case\u8bed\u53e5\u4e2d\u5e38\u91cf\u4e3a5 System.out.println(\"Friday\"); break; case 6:\/\/\u5b9a\u4e49case\u8bed\u53e5\u4e2d\u5e38\u91cf\u4e3a6 System.out.println(\"Saturday\"); break; case 7:\/\/\u5b9a\u4e49case\u8bed\u53e5\u4e2d\u5e38\u91cf\u4e3a7 System.out.println(\"Sunday\"); break; default: System.out.println(\"Sorry,I don't Know\"); } } }<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/06b21861cddc438db2ad47a3fcb3a1b5.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c15\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c15\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" >&nbsp;<\/p>\n<h3 id=\"%E4%BE%8B3.8%E5%88%9B%E5%BB%BA%E6%88%90%E7%BB%A9%E7%B1%BB%EF%BC%8C%E4%BD%BF%E7%94%A8Scanner%E7%B1%BB%E5%9C%A8%E6%8E%A7%E5%88%B6%E5%8F%B0%E8%BE%93%E5%85%A5%E5%88%86%E6%95%B0%EF%BC%8C%20%E5%9B%BE3.12%E5%88%A4%E6%96%AD%E6%98%9F%E6%9C%9F%E5%B9%B6%E6%89%93%E5%8D%B0%E5%87%BA%E8%84%B8%20%E4%BE%8B3.publ%E7%84%B6%E5%90%8E%E7%94%A8switch%E8%AF%AD%E5%8F%A5%E5%88%A4%E6%96%AD%E8%BE%93%E5%85%A5%E7%9A%84%E5%88%86%E6%95%B0%E5%B1%9E%E4%BA%8E%E5%93%AA%E7%B1%BB%E6%88%90%E7%BB%A9%E3%80%8210%E5%88%86%E3%80%819%E5%88%86%E5%B1%9E%E4%BA%8E%E4%BC%98%EF%BC%8C8%E5%88%86%E5%B1%9E%E4%BA%8E%E8%89%AF%EF%BC%8C7%E5%88%86%E3%80%816%E5%88%86%E5%B1%9E%E4%BA%8E%E5%8F%8A%E6%A0%BC%EF%BC%8C5%E5%88%86%E3%80%814%E5%88%86%E3%80%813%E5%88%86%E3%80%812%E5%88%86%E3%80%811%E5%88%86%E3%80%810%E5%88%86%E5%9D%87%E4%B8%BA%E4%B8%8D%E5%8F%8A%E6%A0%BC%E3%80%82\">\u4f8b3.8\u521b\u5efa\u6210\u7ee9\u7c7b\uff0c\u4f7f\u7528Scanner\u7c7b\u5728\u63a7\u5236\u53f0\u8f93\u5165\u5206\u6570\uff0c \u56fe3.12\u5224\u65ad\u661f\u671f\u5e76\u6253\u5370\u51fa\u8138 \u4f8b3.publ<br \/> \u7136\u540e\u7528switch\u8bed\u53e5\u5224\u65ad\u8f93\u5165\u7684\u5206\u6570\u5c5e\u4e8e\u54ea\u7c7b\u6210\u7ee9\u300210\u5206\u30019\u5206<br \/> \u5c5e\u4e8e\u4f18\uff0c8\u5206\u5c5e\u4e8e\u826f\uff0c7\u5206\u30016\u5206\u5c5e\u4e8e\u53ca\u683c\uff0c5\u5206\u30014\u5206\u30013\u5206\u30012\u5206\u30011\u5206\u30010\u5206\u5747\u4e3a\u4e0d\u53ca\u683c\u3002<\/h3>\n<pre class=\"language-java prettyprint linenums\"><\/pre>\n<ol>\n<li><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/ebd9875434b242229add23db27a86957.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c16\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c16\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" >\n<\/p>\n<\/li>\n<\/ol>\n<h3 id=\"%E4%BE%8B3.9%20%E9%80%9A%E8%BF%87switch%E8%AF%AD%E5%8F%A5%E6%A0%B9%E6%8D%AE%E5%AD%97%E7%AC%A6%E4%B8%B2str%E7%9A%84%E5%80%BC%EF%BC%8C%E8%BE%93%E5%87%BA%E4%B8%8D%E5%90%8C%E7%9A%84%E6%8F%90%E7%A4%BA%E4%BF%A1%E6%81%AF%E3%80%82\">\u4f8b3.9 \u901a\u8fc7switch\u8bed\u53e5\u6839\u636e\u5b57\u7b26\u4e32str\u7684\u503c\uff0c\u8f93\u51fa\u4e0d\u540c\u7684\u63d0\u793a\u4fe1\u606f\u3002<\/h3>\n<pre class=\"language-java prettyprint linenums\"><\/pre>\n<ol>\n<li><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/e3d107ab2e9f4a4b9c0655bdce4b458d.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c17\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c17\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" >\n<\/p>\n<\/li>\n<\/ol>\n<h3>3.3\u5faa\u73af\u8bed\u53e5<br \/> &nbsp; &nbsp; &nbsp; &nbsp; \u5faa\u73af\u8bed\u53e5\u5c31\u662f\u5728\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\u7684\u60c5\u51b5\u4e0b\u53cd\u590d\u6267\u884c\u67d0\u4e00\u4e2a\u64cd\u4f5c\u3002\u5728Java\u4e2d\u63d0\u4f9b\u4e864\u79cd\u5e38\u7528\u7684\u5faa\u73af\u8bed\u53e5\uff0c\u5206\u522b\u662fwhile\u8bed\u53e5\u3001do...while \u8bed\u53e5\u3001for \u8bed\u53e5\u548c foreach \u8bed\u53e5\uff0c\u5176\u4e2d\uff0cforeach \u8bed\u53e5\u662f for \u8bed\u53e5\u7684\u7279\u6b8a\u7b80\u5316\u7248\u672c\u3002<\/h3>\n<h4>3.3.1 &nbsp;while\u5faa\u73af\u8bed\u53e5<br \/> &nbsp; &nbsp; &nbsp; &nbsp; While\u8bed\u53e5\u7684\u5faa\u73af\u65b9\u5f0f\u4e3a\u5229\u7528\u4e00\u4e2a\u6761\u4ef6\u6765\u63a7\u5236\u662f\u5426\u8981\u7ee7\u7eed\u53cd\u590d\u6267\u884c\u8fd9\u4e2a\u8bed\u53e5<\/h4>\n<h4>\u4f8b3.10\u5728\u9879\u76ee\u4e2d\u521b\u5efa\u7c7bCycle,\u5728\u4e3b\u65b9\u6cd5\u4e2d\u901a\u8fc7while\u5faa\u73af\u5c06\u6574\u65701\u2014100\u76f8\u52a0<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/b99684b1b39b4bd58baecd8c5b8881eb.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c18\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c18\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h4>3.2 &nbsp;do...while\u5faa\u73af\u8bed\u53e5<br \/> &nbsp; &nbsp; &nbsp; &nbsp; do...while \u5faa\u73af\u8bed\u53e5\u4e0e while \u5faa\u73af\u8bed\u53e5\u7c7b\u4f3c\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u662f while \u8bed\u53e5\u4e3a\u5148\u5224\u65ad\u6761\u4ef6\u662f\u5426\u6210\u7acb\u518d\u6267\u884c\u5faa\u73af\u4f53\uff0c\u800c do...while \u5faa\u73af\u8bed\u53e5\u5219\u5148\u6267\u884c\u4e00\u6b21\u5faa\u73af\u540e\uff0c\u518d\u5224\u65ad\u6761\u4ef6\u662f\u5426\u6210\u7acb\u3002\u4e5f\u5c31\u662f\u8bf4 do...while \u5faa\u73af\u8bed\u53e5\u4e2d\u201c{}\u201d\u4e2d\u7684\u7a0b\u5e8f\u6bb5\u81f3\u5c11\u8981\u88ab\u6267\u884c\u4e00\u6b21\u3002<\/h4>\n<h4>\u4f8b3.11 \u5728\u9879\u76ee\u4e2d\u521b\u5efa\u7c7bCycle<br \/> &nbsp;<\/h4>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/82deb3da8b57478ca8d6d28d4da89979.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c19\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c19\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h2>3.3 &nbsp;while \u4e0e do...while \u6bd4\u8f83&nbsp;<br \/> &nbsp; &nbsp; &nbsp; &nbsp; \u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u8d77\u59cb\u5faa\u73af\u6761\u4ef6\u4e0d\u6210\u7acb\u7684\u5faa\u73af\u8bed\u53e5\u6765\u89c2\u5bdf while \u548c do...while \u7684\u4e0d\u540c\u3002\u5c06\u53d8\u91cfi\u521d\u503c\u8bbe\u7f6e\u4e3a0\uff0c\u7136\u540e\u5faa\u73af\u8868\u8fbe\u5f0f\u8bbe\u7f6e\u4e3ai&gt;1\uff0c\u663e\u7136\u5faa\u73af\u6761\u4ef6\u4e0d\u6210\u7acb\u3002\u5faa\u73af\u4f53\u6267\u884c\u7684\u662f\u5bf9\u53d8\u91cfj\u7684\u52a01\u8fd9\u7b97\uff0c\u901a\u8fc7\u8f93\u51fa\u53d8\u91cfj\u5728\u5faa\u73af\u524d\u7684\u503c\u548c\u5faa\u73af\u540e\u7684\u503c\u8fdb\u884c\u6bd4\u8f83\u3002<\/h2>\n<h4>\u4f8b3.12\u4f7f\u7528do..while\u5faa\u73af\u8f93\u51faJ\u7684\u503c<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/bff7e8adcf6949768bbdf9b7aa465fb5.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c20\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c20\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h4>\u4f8b3.13\u4f7f\u7528while\u5faa\u73af\u8f93\u51faJ\u7684\u503c&nbsp;<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/36bbc2ba04b34200b333a169129c3021.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c21\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c21\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h4>\u4f8b3.14 \u4f7f\u7528for\u5faa\u73af\u5b8c\u62101\u2014100\u7684\u76f8\u52a0\u8fd0\u7b97&nbsp;<\/h4>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-java\">public class AdditiveFor { public static void main(String[] args) { int sum=0; int i; for(i=1;i&lt;=100;i++) { sum+=i; } System.out.println(\"the result :\"+sum); } }<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/2516a8feae2e4921b0185631036c8ca4.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c22\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c22\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>&nbsp;<\/p>\n<h3>3.5 &nbsp;foreach\u8bed\u53e5&nbsp;<br \/> &nbsp; &nbsp; &nbsp; &nbsp; foreach \u8bed\u53e5\u662f for \u8bed\u53e5\u7684\u7279\u6b8a\u7b80\u5316\u7248\u672c\uff0c\u4f46\u662f foreach \u8bed\u53e5\u5e76\u4e0d\u80fd\u5b8c\u5168\u53d6\u4ee3 for \u8bed\u53e5\uff0c\u7136\u800c\u4efb\u4f55&nbsp;<br \/> &nbsp; &nbsp; &nbsp; &nbsp; foreach \u8bed\u53e5\u90fd\u53ef\u4ee5\u6539\u5199\u4e3a for \u8bed\u53e5\u7248\u672c\u3002foreach \u5e76\u4e0d\u662f\u4e00\u4e2a\u5173\u952e\u5b57\uff0c\u4e60\u60ef\u4e0a\u5c06\u8fd9\u79cd\u7279\u6b8a\u7684 for \u8bed\u53e5\u683c\u5f0f\u79f0\u4e4b\u4e3aforeach\u8bed\u53e5\u3002foreach \u8bed\u53e5\u5728\u904d\u5386\u6570\u7ec4\u7b49\u65b9\u9762\u4e3a\u7a0b\u5e8f\u5458\u63d0\u4f9b\u4e86\u5f88\u5927\u7684\u65b9\u4fbf\u3002<\/h3>\n<h3>&nbsp;\u4f8b3.15\u5728\u9879\u76ee\u4e2d\u521b\u5efa\u7c7bRepetition,\u5728\u4e3b\u65b9\u6cd5\u4e2d\u5b9a\u4e49\u4e00\u7ef4\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528foreach\u8bed\u53e5\u904d\u5386<\/h3>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-java\">public class Repetition { public static void main(String[] args) { int arr[]= {7,10,1};\/\/\u58f0\u660e\u4e00\u7ef4\u6570\u7ec4 System.out.println(\"\u4e00\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5206\u522b\u4e3a\");\/\/\u8f93\u51fa\u4fe1\u606f for(int x :arr) { System.out.println(x); } } }<\/code><\/pre>\n<h4><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/648409abb2b246b9a7883b81857f2f2c.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c23\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c23\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/h4>\n<h4>\u4f8b3.16\u4f7f\u7528\u5d4c\u5957\u7684for\u5faa\u73af\u8f93\u51fa\u4e58\u6cd5\u53e3\u8bc0&nbsp;<\/h4>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-java\">public class Multip { public static void main(String[] args) { int i, j;\/\/\u521b\u5efa\u4e24\u4e2a\u6574\u6570\u53d8\u91cf for(i=1; i&lt;10;i++) {\/\/\u8f93\u51fa\u4e5d\u884c for(j=1;j&lt;i+1;j++) {\/\/\u8f93\u51fa\u884c\u6570\u76f8\u7b49\u7684\u5217 System.out.print(j+\"*\"+i+\"=\"+i*j+\"\\t\"); } System.out.println();\/\/\u6362\u884c } } }<\/code><\/pre>\n<p>&nbsp;<img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/8057354a4f82413289d0545f49d7926b.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c24\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c24\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h4>&nbsp;3.4\u8df3\u8f6c\u8bed\u53e5<br \/> \u8df3\u8f6c\u8bed\u53e5\u5305\u542b\u4e24\u65b9\u9762\u7684\u5185\u5bb9\uff0c\u4e00\u65b9\u9762\u662f\u63a7\u5236\u5faa\u73af\u53d8\u91cf\u7684\u53d8\u5316\u65b9\u5f0f\uff0c\u4e5f\u5c31\u662f\u8ba9\u5faa\u73af\u5224\u65ad\u4e2d\u7684\u903b\u5173\u7cfb\u8868\u8fbe\u5f0f\u53d8\u6210false\uff0c\u4ece\u800c\u8fbe\u5230\u7ec8\u6b62\u5faa\u73af\u7684\u6548\u679c\uff1b\u4e00\u65b9\u9762\u662f\u63a7\u5236\u5faa\u73af\u7684\u8df3\u8f6c\u3002\u63a7\u5236\u5faa\u73af\u7684\u8df3\u8f6c\u6ee1\u7528\u5230break\u548cconinue \u4e24\u4e2a\u5173\u952e\u5b57\uff0c\u8fd9\u4e24\u6761\u8df3\u8f6c\u8bed\u53e5\u7684\u8df3\u8f6c\u6548\u679c\u4e0d\u540c\uff0cbreak\u662f\u4e2d\u65ad\u5faa\u73af\uff0cconting\u662f\u76f4\u63a5\u6267\u884c\u4e0b\u4e00\u6b21\u5faa\u73af\u3002<br \/> 3.4.1 break \u8bed\u53e5<br \/> \u8425\u4e00\u89c6\uff0c\u8fd1\u89c6\u9891 \u4f7f\u7528break\u8bed\u53e5\u53ef\u4ee5\u8df3\u51faswitch\u7ed3\u6784\u3002\u5728\u5faa\u73af\u7ed3\u6784\u4e2d\uff0c\u540c\u6837\u4e5f\u53ef\u7528break\u8bed\u53e5\u8df3\u51fa\u5f53\u524d\u5faa\u73af\u4f53<br \/> \u4ece\u800c\u4e2d\u65ad\u5f53\u524d\u5faa\u73af\u3002<br \/><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/5cf2806a8e5d4d79ae7cfc7842e2e49d.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c25\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c25\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/h4>\n<h4>\u4f8b3.17\u8f93\u51fa1\u201420\u7684\u7b2c\u4e00\u4e2a\u5076\u6570\uff0c\u4f7f\u7528break\u8df3\u51fa<\/h4>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-java\">public class BreakTest { public static void main(String[] args) { for(int i=1; i&lt;20;i++) { if(i%2==0) {\/\/\u5982\u679ci\u662f\u5076\u6570 System.out.println(i);\/\/\u8f93\u51fai\u7684\u503c break;\/\/\u8df3\u5165\u4e0b\u4e00\u5faa\u73af } } System.out.println(\"---end---\"); } }<\/code><\/pre>\n<h4>\u5faa\u73af&nbsp;<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/70cb2700fab64d1488fbd005406306ad.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c26\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c26\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h4>\u4f8b3.18\u5728\u5d4c\u5957\u7684\u5faa\u73af\u4e2d\u4f7f\u7528break,\u8df3\u51fa\u5185\u5c42\u5faa\u73af&nbsp;<\/h4>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-java\">public class BreakInside { public static void main(String[] args) { for(int i=0;i&lt;3;i++) { for(int j=0;j&lt;6;j++) { if(j==4) {\/\/\u5982\u679cJ\u7b49\u4e8e4\u7684\u65f6\u5019\u5c31\u7ed3\u675f\u5185\u5faa\u73af break; } System.out.println(\"i=\"+i+\" j=\"+j); } } } }<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/3f2028ef8cb24f52a7ab8e5b5e7bce3b.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c27\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c27\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h4>\u4f8b3.19\u4f7f\u7528\u5e26\u6709\u6807\u7b7e\u7684break\u8df3\u51fa\u5916\u5c42\u5faa\u73af&nbsp;<\/h4>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-java\">public class BreakOutside { public static void main(String[] args) { Loop: for(int i=0;i&lt;3;i++) {\/\/\u5728for\u5faa\u73af\u524d\u7528\u6807\u7b7e\u6807\u8bb0 for(int j=0;j&lt;6;j++) { if(j==4) {\/\/\u5982\u679cJ\u7b49\u4e8e4\u7684\u65f6\u5019\u5c31\u7ed3\u675f\u5185\u5faa\u73af break Loop;\/\/\u8df3\u51faLoop\u6807\u7b7e\u6807\u8bb0\u7684\u5faa\u73af\u4f53 } System.out.println(\"i=\"+i+\" j=\"+j); } } } }<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/7507e442897a4fa491bcb8ff7c149ac7.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c28\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c28\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h4>&nbsp;3.4.2 continue \u8bed\u53e5<br \/> continue\u8bed\u53e5\u662f\u9488\u5bf9break\u8bed\u53e5\u7684\u8865\u5145\u3002continue\u4e0d\u662f\u7acb\u5373\u8df3\u51fa\u5faa\u73af\u4f53\uff0c\u800c\u662f\u8df3\u8fc7\u672c\u6b21\u5faa\u73af\u7ed3\u675f\u524d\u7684\u8bed\u53e5\uff0c\u56de\u5230\u5faa\u73af\u7684\u6761\u4ef6\u6d4b\u8bd5\u90e8\u5206\uff0c\u91cd\u65b0\u5f00\u59cb\u6267\u884c\u5faa\u73af\u3002\u5728for\u5faa\u73af\u8bed\u53e5\u4e2d\u9047\u5230continue\u8bed\u53e5\u540e\uff0c\u9996\u5148\u6267\u884c\u5faa\u73af\u7684\u589e\u91cf\u90e8\u5206\uff0c\u7136\u540e\u8fdb\u884c\u6761\u4ef6\u6d4b\u8bd5\u3002\u5728while\u548cdo..while\u5faa\u73af\u4e2d\uff0ccontinue\u8bed\u53e5\u4f7f\u63a7\u5236\u76f4\u63a5\u56de\u5230\u6761\u4ef6\u6d4b\u8bd5\u90e8\u5206\u3002<br \/> \u57283\u79cd\u5faa\u73af\u8bed\u53e5\u4e2d\u4f7f\u7528continue\u8bed\u53e5\u7684\u5f62\u5f0f\u5982\u56fe3.31\u6240\u793a\u3002<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/ca064ba140f74351a30cf2136c712e27.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c29\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c29\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"language-java\">public class Continue { public static void main(String[] args) { for(int i=1;i&lt;20;i++) { if(i%2!=0) {\/\/\u5982\u679ci\u4e0d\u662f\u5076\u6570 continue;\/\/\u8df3\u5165\u4e0b\u4e00\u5faa\u73af } System.out.println(i); } } }<\/code><\/pre>\n<p>&nbsp;<img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/998a3451e45842708a3eeb96a1764e3e.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c30\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c30\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<h2>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \u672c\u7ae0\u5c0f\u7ed3<br \/> \u672c\u7ae0\u4ecb\u7ecd\u4e86\u6d41\u7a0b\u63a7\u5236\u8bed\u53e5(\u6761\u4ef6\u8bed\u53e5\u3001\u5faa\u73af\u8bed\u53e5\u548c\u8df3\u8f6c\u8bed\u53e5)\uff1b\u901a\u8fc7\u4f7f\u7528if\u4e0eswitch\u8bed\u53e5\uff0c\u53ef\u4ee5\u57fa\u4e8e\u5e03\u5c14\u7c7b\u578b\u7684\u6d4b\u8bd5\uff0c\u5c06\u4e00\u4e2a\u7a0b\u5e8f\u5206\u6210\u4e0d\u540c\u7684\u90e8\u5206\uff1a\u901a\u8fc7 while\u3001do..while \u5faa\u73af\u8bed\u53e5\u548cfor\u5faa\u73af\u8bed\u53e5\uff0c\u53ef\u4ee5\u8ba9\u7a0b\u5e8f\u7684\u4e00\u90e8\u5206\u91cd\u590d\u6267\u884c\uff0c\u76f4\u5230\u6ee1\u8db3\u67d0\u4e2a\u7ec8\u6b62\u5faa\u73af\u7684\u6761\u4ef6\uff1bfor\u548cwhile\u4e00\u6837\u662f\u5148\u5224\u65ad\u518d\u6267\u884c\uff0cfor\u5c31\u662f\u6765\u62ef\u6551\u5927\u5bb6\u7684\uff0cfor\u7528\u66f4\u52a0\u7b80\u5355\u7684\u8bed\u53e5\u89e3\u51b3\u4e86while\u7684\u95ee\u9898for(\u521d\u59cb\u5316\uff1b\u6761\u4ef61\uff1b\u6761\u4ef62){\u5faa\u73af\u4f53};\u4f7f\u7528\u8df3\u8f6c\u8bed\u53e5\u53ef\u4ee5\u4f7f\u6761\u4ef6\u8bed\u53e5\u548c\u5faa\u73af\u8bed\u53e5\u53d8\u5f97\u66f4\u52a0\u7075\u6d3b\u3002<\/h2>\n<p><span style=\"color:#fe2c24;\">\u201c\u987a\u5e8f\u7ed3\u6784\u201d\u4ee3\u8868\u201c\u5148\u6267\u884ca\uff0c\u518d\u6267\u884cb\u201d\u7684\u903b\u8f91\u3002<br \/> \u201c\u6761\u4ef6\u5224\u65ad\u7ed3\u6784\u201d\u4ee3\u8868\u201c\u5982\u679c\u2026\uff0c\u5219\u2026\u201d\u7684\u903b\u8f91\u3002<br \/> \u201c\u5faa\u73af\u7ed3\u6784\u201d\u4ee3\u8868\u201c\u5982\u679c\u2026\uff0c\u5219\u91cd\u590d\u6267\u884c\u2026\u201d\u7684\u903b\u8f91\u3002<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/9eb4f98c32454c8b8e3bf85210984ea4.png\" =\"\" =\"\" alt=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe (https:\/\/mushiming.com\/)  \u7b2c31\u5f20\" title=\"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe  \u7b2c31\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"\u7b2c\u4e09\u7ae0 \u6d41\u7a0b\u63a7\u5236_\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u56fe3.1\u7a0b\u5e8f\u7ed3\u67843.2\u6761\u4ef6\u8bed\u53e53.2.1if\u6761\u4ef6\u8bed\u53e5\u4f8b3.2\u4e24\u79cd\u60c5\u51b5\u90fd\u662f\u6b63\u786e\u7684\u200b\u4f8b3.2\u62e8\u6253\u7535\u8bdd3.if...elseif...","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\/8120"}],"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=8120"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/8120\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=8120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=8120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=8120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}