{"id":61787,"date":"2023-11-17T19:07:10","date_gmt":"2023-11-17T11:07:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=61787"},"modified":"2023-11-17T19:07:12","modified_gmt":"2023-11-17T11:07:12","slug":"java-%e8%af%ad%e8%a8%80%e4%b8%ad-do-while-%e5%92%8c-while-%e6%9c%89%e4%bd%95%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/61787.html","title":{"rendered":"Java \u8bed\u8a00\u4e2d do-while \u548c while \u6709\u4f55\u533a\u522b"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote\">\n<p>Java\u8bed\u8a00\u4e2d\u7684do-while\u5faa\u73af\u4e0ewhile\u5faa\u73af\u90fd\u662f\u57fa\u672c\u7684\u5faa\u73af\u7ed3\u6784\uff0c\u4f46\u5b83\u4eec\u5728\u4f7f\u7528\u548c\u6267\u884c\u6d41\u7a0b\u65b9\u9762\u6709\u663e\u8457\u5dee\u5f02\u3002\u672c\u6587\u65e8\u5728\u6df1\u5165\u63a2\u8ba8\u8fd9\u4e24\u79cd\u5faa\u73af\u7ed3\u6784\u7684\u4e0d\u540c\u4e4b\u5904\uff0c\u5305\u62ec\uff1a1. \u5faa\u73af\u6761\u4ef6\u68c0\u67e5\u65f6\u673a\u7684\u4e0d\u540c\uff1b2. \u81f3\u5c11\u6267\u884c\u4e00\u6b21\u5faa\u73af\u4f53\u7684\u7279\u6027\uff1b3. \u9002\u7528\u573a\u666f\u7684\u5dee\u5f02\uff1b4. \u8bed\u6cd5\u7ed3\u6784\u7684\u533a\u522b\u3002\u901a\u8fc7\u6bd4\u8f83\u5206\u6790\uff0c\u672c\u6587\u5c06\u5e2e\u52a9\u8bfb\u8005\u7406\u89e3\u5728\u4e0d\u540c\u7f16\u7a0b\u60c5\u666f\u4e0b\u5982\u4f55\u9009\u62e9\u548c\u5e94\u7528\u8fd9\u4e24\u79cd\u5faa\u73af\u7ed3\u6784\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">1.\u5faa\u73af\u6761\u4ef6\u68c0\u67e5\u65f6\u673a\u7684\u4e0d\u540c<\/h2>\n\n\n\n<p>while\u5faa\u73af\uff1a\u5728\u5faa\u73af\u4f53\u7684\u6267\u884c\u4e4b\u524d\u68c0\u67e5\u6761\u4ef6\u3002\u5982\u679c\u6761\u4ef6\u4e3a\u5047\uff0c\u5faa\u73af\u4f53\u4e0d\u4f1a\u6267\u884c\u3002<\/p>\n\n\n\n<p>do-while\u5faa\u73af\uff1a\u5728\u5faa\u73af\u4f53\u6267\u884c\u4e4b\u540e\u68c0\u67e5\u6761\u4ef6\u3002\u8fd9\u610f\u5473\u7740\u5faa\u73af\u4f53\u81f3\u5c11\u4f1a\u6267\u884c\u4e00\u6b21\uff0c\u65e0\u8bba\u6761\u4ef6\u6700\u521d\u662f\u5426\u4e3a\u771f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.\u81f3\u5c11\u6267\u884c\u4e00\u6b21\u5faa\u73af\u4f53\u7684\u7279\u6027<\/h2>\n\n\n\n<p>\u8fd9\u662fdo-while\u5faa\u73af\u7684\u4e00\u4e2a\u663e\u8457\u7279\u70b9\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u81f3\u5c11\u6267\u884c\u5faa\u73af\u4f53\u4e00\u6b21\uff0c\u5373\u4f7f\u5faa\u73af\u6761\u4ef6\u6700\u521d\u4e3a\u5047\u3002\u4f8b\u5982\uff0c\u5728\u7528\u6237\u8f93\u5165\u9a8c\u8bc1\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u81f3\u5c11\u8fd0\u884c\u4e00\u6b21\u5faa\u73af\u6765\u83b7\u53d6\u7528\u6237\u8f93\u5165\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3.\u9002\u7528\u573a\u666f\u7684\u5dee\u5f02<\/h2>\n\n\n\n<p>while\u5faa\u73af\u901a\u5e38\u7528\u4e8e\u5f53\u5faa\u73af\u6b21\u6570\u4e0d\u786e\u5b9a\u4f46\u6761\u4ef6\u5df2\u77e5\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<p>do-while\u5faa\u73af\u9002\u7528\u4e8e\u9700\u8981\u81f3\u5c11\u6267\u884c\u4e00\u6b21\u5faa\u73af\u4f53\u7684\u60c5\u51b5\uff0c\u5373\u4f7f\u5faa\u73af\u53ef\u80fd\u968f\u540e\u56e0\u6761\u4ef6\u4e0d\u6ee1\u8db3\u800c\u7ec8\u6b62\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4.\u8bed\u6cd5\u7ed3\u6784\u7684\u533a\u522b<\/h2>\n\n\n\n<p>while\u5faa\u73af\u7684\u8bed\u6cd5\u76f8\u5bf9\u7b80\u5355\uff0c\u5148\u662f\u6761\u4ef6\u5224\u65ad\uff0c\u540e\u662f\u5faa\u73af\u4f53\u3002<\/p>\n\n\n\n<p>do-while\u5faa\u73af\u5219\u5148\u5199\u5faa\u73af\u4f53\uff0c\u540e\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\u3002<\/p>\n\n\n\n<p>\u603b\u7ed3\u4e0e\u6700\u4f73\u5b9e\u8df5\uff1a\u6839\u636e\u524d\u9762\u7684\u8ba8\u8bba\uff0c\u603b\u7ed3do-while\u548cwhile\u5faa\u73af\u7684\u4e3b\u8981\u5dee\u5f02\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5173\u4e8e\u5728\u4e0d\u540c\u7f16\u7a0b\u60c5\u666f\u4e0b\u5982\u4f55\u9009\u62e9\u548c\u4f7f\u7528\u8fd9\u4e24\u79cd\u5faa\u73af\u7684\u6700\u4f73\u5b9e\u8df5\u5efa\u8bae\u3002<\/p>\n\n\n\n<p>\u7ed3\u8bba\uff1a\u901a\u8fc7\u6df1\u5165\u63a2\u8ba8do-while\u548cwhile\u5faa\u73af\u7684\u5dee\u5f02\uff0c\u672c\u6587\u4e3aJava\u7a0b\u5e8f\u5458\u63d0\u4f9b\u4e86\u5173\u4e8e\u5982\u4f55\u6709\u6548\u4f7f\u7528\u8fd9\u4e24\u79cd\u5faa\u73af\u7ed3\u6784\u7684\u89c1\u89e3\u3002\u7406\u89e3\u8fd9\u4e9b\u5dee\u5f02\u4e0d\u4ec5\u6709\u52a9\u4e8e\u7f16\u5199\u66f4\u9ad8\u6548\u7684\u4ee3\u7801\uff0c\u800c\u4e14\u6709\u52a9\u4e8e\u907f\u514d\u5e38\u89c1\u7684\u7f16\u7a0b\u9519\u8bef\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4f53\u7684<\/p>\n\n\n\n<p><img fetchpriority=\"high\" decoding=\"async\" width=\"484\" height=\"300\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/11\/721792-Java-\u8bed\u8a00\u4e2d-do-while-\u548c-while-\u6709\u4f55\u533a\u522b.png?x-oss-process=image\/auto-orient,1\/format,webp\" class=\"aligncenter\" alt=\"Java \u8bed\u8a00\u4e2d do-while \u548c while \u6709\u4f55\u533a\u522b\" 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while(\u6761\u4ef6) { \u5faa\u73af\u4f53 }\u3002\u800c\u5728do-while\u5faa\u73af\u4e2d\uff0c\u5faa\u73af\u4f53\u5148\u4e8e\u6761\u4ef6\u6267\u884c\uff0c\u6761\u4ef6\u68c0\u67e5\u5728\u5faa\u73af\u4f53\u4e4b\u540e\uff0c\u5f62\u5f0f\u4e3a do { \u5faa\u73af\u4f53 } while(\u6761\u4ef6);\u3002\u8fd9\u5bfc\u81f4\u4e86do-while\u5faa\u73af\u81f3\u5c11\u6267\u884c\u4e00\u6b21\u5faa\u73af\u4f53\uff0c\u800cwhile\u5faa\u73af\u53ef\u80fd\u4e00\u6b21\u4e5f\u4e0d\u6267\u884c\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>\u95ee\uff1a\u5728\u6027\u80fd\u65b9\u9762\uff0cdo-while\u5faa\u73af\u548cwhile\u5faa\u73af\u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/li>\n\n\n\n<li>\u7b54\uff1a\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0cdo-while\u548cwhile\u5faa\u73af\u5728\u6027\u80fd\u4e0a\u7684\u5dee\u5f02\u662f\u53ef\u4ee5\u5ffd\u7565\u7684\uff0c\u7279\u522b\u662f\u5728\u5faa\u73af\u4f53\u5185\u7684\u64cd\u4f5c\u76f8\u5bf9\u8f83\u591a\u65f6\u3002\u6027\u80fd\u5dee\u5f02\u4e3b\u8981\u4f53\u73b0\u5728\u5faa\u73af\u5f00\u59cb\u7684\u6761\u4ef6\u68c0\u67e5\u4e0a\u3002\u4f46\u662f\uff0c\u8fd9\u79cd\u5dee\u5f02\u901a\u5e38\u975e\u5e38\u5fae\u5c0f\uff0c\u4e0d\u4f1a\u5bf9\u7a0b\u5e8f\u7684\u603b\u4f53\u6027\u80fd\u4ea7\u751f\u663e\u8457\u5f71\u54cd\u3002\u9009\u62e9\u54ea\u79cd\u5faa\u73af\u5e94\u66f4\u591a\u5730\u4f9d\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u548c\u903b\u8f91\u9700\u6c42\uff0c\u800c\u4e0d\u662f\u6027\u80fd\u8003\u8651\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Java\u8bed\u8a00\u4e2d\u7684do-while\u5faa\u73af\u4e0ewhile\u5faa\u73af\u90fd\u662f\u57fa\u672c\u7684\u5faa\u73af\u7ed3\u6784\uff0c\u4f46\u5b83\u4eec\u5728\u4f7f\u7528\u548c\u6267\u884c\u6d41\u7a0b\u65b9\u9762\u6709\u663e\u8457\u5dee\u5f02\u3002 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