{"id":297149,"date":"2024-05-20T16:19:33","date_gmt":"2024-05-20T08:19:33","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/297149.html"},"modified":"2024-05-20T16:19:52","modified_gmt":"2024-05-20T08:19:52","slug":"java-%e7%bc%96%e7%a8%8b%e4%bb%a3%e7%a0%81%e4%b8%ad-goto-%e5%a6%82%e4%bd%95%e7%94%a8-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/297149.html","title":{"rendered":"java \u7f16\u7a0b\u4ee3\u7801\u4e2d goto \u5982\u4f55\u7528"},"content":{"rendered":"

\"java<\/p>\n

\u5728Java\u7f16\u7a0b\u4e2d\uff0cgoto<\/code>\u662f\u4e00\u4e2a\u4fdd\u7559\u5173\u952e\u5b57\uff0c\u4f46\u5b83\u5e76\u672a\u88ab\u5b9e\u9645\u5b9e\u73b0<\/strong>\u3002Java\u8bbe\u8ba1\u8005\u4eec\u9009\u62e9\u4e0d\u4f7f\u7528goto<\/code>\u662f\u56e0\u4e3agoto<\/code>\u901a\u5e38\u4f1a\u5bfc\u81f4\u4ee3\u7801\u7ed3\u6784\u6df7\u4e71\u3001\u96be\u4ee5\u7406\u89e3\u548c\u7ef4\u62a4\u3002\u7136\u800c\uff0cJava\u63d0\u4f9b\u4e86\u5176\u4ed6\u63a7\u5236\u6d41\u8bed\u53e5\u6765\u5b9e\u73b0\u7c7b\u4f3cgoto<\/code>\u7684\u529f\u80fd\uff0c\u5982break<\/code>\u3001continue<\/code>\u548c\u6807\u7b7e\u8bed\u53e5<\/strong>\u3002\u4e0b\u9762\uff0c\u5c06\u91cd\u70b9\u4ecb\u7ecd\u6807\u7b7e\u8bed\u53e5\u7684\u7528\u6cd5\uff0c\u5b83\u5728\u67d0\u79cd\u610f\u4e49\u4e0a\uff0c\u53ef\u4ee5\u88ab\u89c6\u4e3agoto<\/code>\u7684\u66ff\u4ee3\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u6807\u7b7e\u8bed\u53e5<\/h3>\n<\/p>\n

\u6807\u7b7e\u8bed\u53e5\u5728Java\u4e2d\u7684\u4f7f\u7528\u662f\u901a\u8fc7\u5728\u4ee3\u7801\u5757\u524d\u5b9a\u4e49\u4e00\u4e2a\u6807\u7b7e\uff0c\u7136\u540e\u5728\u5faa\u73af\u5185\u4f7f\u7528break<\/code>\u6216continue<\/code>\u8bed\u53e5\u8df3\u8f6c\u5230\u6807\u7b7e\u6307\u5b9a\u7684\u4f4d\u7f6e\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5bf9\u5d4c\u5957\u5faa\u73af\u8fdb\u884c\u66f4\u7cbe\u786e\u7684\u63a7\u5236\u3002<\/p>\n<\/p>\n

\u4f7f\u7528\u6807\u7b7e\u8fdb\u884c\u65ad\u70b9<\/h4>\n<\/p>\n
    \n
  1. \u5b9a\u4e49\u6807\u7b7e<\/strong>\uff1a\u5728Java\u4e2d\uff0c\u6807\u7b7e\u662f\u7d27\u63a5\u7740\u4e00\u4e2a\u5192\u53f7\u653e\u5728\u5faa\u73af\u4e4b\u524d\u7684\u4efb\u610f\u6807\u8bc6\u7b26\u3002\u4f8b\u5982\uff1amyLabel:<\/code>\u3002<\/li>\n
  2. \u8df3\u8f6c\u5230\u6807\u7b7e<\/strong>\uff1a\u901a\u8fc7break<\/code>\u6216continue<\/code>\u540e\u63a5\u6807\u7b7e\u540d\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8df3\u51fa\u5f53\u524d\u5faa\u73af\u6216\u7ee7\u7eed\u6807\u7b7e\u6307\u5b9a\u7684\u5916\u5c42\u5faa\u73af\u3002<\/li>\n<\/ol>\n

    \u5b9e\u4f8b\u6f14\u793a<\/h4>\n<\/p>\n

    \u8003\u8651\u4ee5\u4e0b\u573a\u666f\uff0c\u6211\u4eec\u9700\u8981\u5728\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u67e5\u627e\u4e00\u4e2a\u503c\uff0c\u5e76\u5728\u627e\u5230\u540e\u7acb\u5373\u9000\u51fa\u6240\u6709\u5c42\u7684\u5faa\u73af\uff1a<\/p>\n<\/p>\n

    int[][] numbersArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};<\/p>\n
    boolean found = false;<\/p>\n
    searchValue: \/\/ \u5b9a\u4e49\u6807\u7b7e<\/p>\n
    for (int i = 0; i < numbersArray.length; i++) {<\/p>\n
        for (int j = 0; j < numbersArray[i].length; j++) {<\/p>\n
            if (numbersArray[i][j] == 5) {<\/p>\n
                found = true;<\/p>\n
                \/\/ \u4f7f\u7528break\u8df3\u8f6c\u5230\u6807\u7b7e\u6307\u5b9a\u7684\u4ee3\u7801\u5757\u7ed3\u675f\u70b9<\/p>\n
                break searchValue;<\/p>\n
            }<\/p>\n
        }<\/p>\n
    }<\/p>\n
    if (found) {<\/p>\n
        System.out.println("Value found!");<\/p>\n
    } else {<\/p>\n
        System.out.println("Value not found.");<\/p>\n
    }<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u4e2a\u4f8b\u5b50\u5c55\u793a\u4e86\u5982\u4f55\u901a\u8fc7\u6807\u7b7esearchValue<\/code>\u5728\u53d1\u73b0\u6307\u5b9a\u7684\u503c5<\/code>\u65f6\u7acb\u5373\u8df3\u51fa\u6240\u6709\u5faa\u73af\u3002\u8fd9\u79cd\u65b9\u5f0f\u76f8\u5f53\u4e8egoto<\/code>\u5728\u5176\u4ed6\u8bed\u8a00\u4e2d\u7684\u529f\u80fd\uff0c\u4f46\u4ee5\u66f4\u7ed3\u6784\u5316\u548c\u6613\u4e8e\u63a7\u5236\u7684\u65b9\u5f0f\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
    \u66ff\u4ee3\u65b9\u6848<\/h3>\n<\/p>\n
    Java\u9f13\u52b1\u4f7f\u7528\u7ed3\u6784\u5316\u7684\u7a0b\u5e8f\u8bbe\u8ba1\u65b9\u6cd5\u6765\u66ff\u4ee3goto<\/code>\u3002if<\/code>–else<\/code>\u8bed\u53e5\u3001switch<\/code>\u8bed\u53e5\u3001\u5faa\u73af\u63a7\u5236 (for<\/code>\u3001while<\/code>\u3001do-while<\/code>) \u548c\u65b9\u6cd5\u8c03\u7528<\/strong>\u662f\u8fdb\u884c\u6d41\u7a0b\u63a7\u5236\u7684\u9996\u9009\u65b9\u5f0f\u3002\u8fd9\u4e9b\u7ed3\u6784\u5316\u7684\u63a7\u5236\u6d41\u8bed\u53e5\u4f7f\u5f97\u4ee3\u7801\u66f4\u6613\u4e8e\u8bfb\u5199\u3001\u7ef4\u62a4\u548c\u8c03\u8bd5\u3002<\/p>\n<\/p>\n
    \u51fd\u6570\u548c\u5faa\u73af\u7684\u7ed3\u5408\u4f7f\u7528<\/h4>\n<\/p>\n
    \u7ec4\u5408\u4f7f\u7528\u51fd\u6570\u548c\u5faa\u73af\u53ef\u4ee5\u6709\u6548\u5730\u5904\u7406\u590d\u6742\u7684\u6d41\u7a0b\u63a7\u5236\u95ee\u9898\uff0c\u540c\u65f6\u4fdd\u6301\u4ee3\u7801\u7684\u6e05\u6670\u5ea6\u548c\u6a21\u5757\u5316\u3002\u5c06\u590d\u6742\u6216\u91cd\u590d\u7684\u4ee3\u7801\u903b\u8f91\u5c01\u88c5\u5230\u72ec\u7acb\u7684\u65b9\u6cd5\u4e2d\uff0c\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u91cd\u7528\u6027\uff0c\u4e5f\u8ba9\u4e3b\u903b\u8f91\u53d8\u5f97\u66f4\u52a0\u7b80\u6d01\u660e\u4e86\u3002<\/p>\n<\/p>\n
    \u7ed3\u8bba<\/h3>\n<\/p>\n
    \u5c3d\u7ba1Java\u6ca1\u6709\u76f4\u63a5\u5b9e\u73b0goto<\/code>\u5173\u952e\u5b57\uff0c\u4f46\u901a\u8fc7\u5176\u4ed6\u63a7\u5236\u6d41\u8bed\u53e5\u548c\u6807\u7b7e\u8bed\u53e5\uff0c\u5f00\u53d1\u8005\u4ecd\u7136\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3cgoto<\/code>\u7684\u8df3\u8f6c\u529f\u80fd\u3002\u4f7f\u7528Java\u63d0\u4f9b\u7684\u7ed3\u6784\u5316\u63a7\u5236\u6d41\u8bed\u53e5\uff0c\u53ef\u4ee5\u4f7f\u4ee3\u7801\u7ed3\u6784\u66f4\u52a0\u6e05\u6670\uff0c\u66f4\u6613\u4e8e\u7ef4\u62a4\u548c\u7406\u89e3\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48Java\u8bbe\u8ba1\u8005\u51b3\u5b9a\u5728\u8bed\u8a00\u4e2d\u6392\u9664goto<\/code>\u5173\u952e\u5b57\u7684\u4e00\u4e2a\u91cd\u8981\u539f\u56e0\u3002\u6b63\u786e\u5e76\u5408\u7406\u5730\u4f7f\u7528\u8fd9\u4e9b\u66ff\u4ee3\u65b9\u6848\uff0c\u662f\u6bcf\u4e2aJava\u5f00\u53d1\u8005\u5fc5\u987b\u638c\u63e1\u7684\u6280\u80fd\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
    \u95ee\u98981\uff1a\u5982\u4f55\u5728Java\u7f16\u7a0b\u4ee3\u7801\u4e2d\u8df3\u8f6c\u5230\u7279\u5b9a\u884c\uff1f<\/strong>
    \n\u5728Java\u4e2d\uff0c\u662f\u6ca1\u6709\u76f4\u63a5\u7684goto\u8bed\u53e5\u7684\u3002\u7136\u800c\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u7ed3\u6784\u548c\u65b9\u6cd5\u6765\u5b9e\u73b0\u7c7b\u4f3c\u7684\u529f\u80fd\u3002\u5176\u4e2d\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528\u6807\u7b7e\u548cbreak\u8bed\u53e5\u6765\u8df3\u8f6c\u5230\u7279\u5b9a\u884c\u3002\u4f60\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528\u6807\u7b7e\u6765\u6807\u8bb0\u67d0\u4e2a\u4f4d\u7f6e\uff0c\u7136\u540e\u4f7f\u7528\u5e26\u6709\u6807\u7b7e\u7684break\u8bed\u53e5\u6765\u8df3\u8f6c\u5230\u8be5\u4f4d\u7f6e\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8ba9\u4f60\u5728\u4ee3\u7801\u4e2d\u8df3\u8f6c\u5230\u6307\u5b9a\u884c\uff0c\u4f46\u9700\u8981\u8c28\u614e\u4f7f\u7528\uff0c\u4ee5\u4fdd\u6301\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n
    \u95ee\u98982\uff1a\u6709\u6ca1\u6709\u7c7b\u4f3cgoto\u7684\u8bed\u53e5\u53ef\u4ee5\u5728Java\u4e2d\u5b9e\u73b0\u6761\u4ef6\u8df3\u8f6c\uff1f<\/strong>
    \n\u5728Java\u4e2d\uff0c\u5e76\u6ca1\u6709\u7c7b\u4f3cgoto\u7684\u8bed\u53e5\u6765\u5b9e\u73b0\u6761\u4ef6\u8df3\u8f6c\u3002\u7136\u800c\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528if\u8bed\u53e5\u548c\u5faa\u73af\u7b49\u63a7\u5236\u7ed3\u6784\u6765\u5b9e\u73b0\u6761\u4ef6\u8df3\u8f6c\u7684\u529f\u80fd\u3002\u901a\u8fc7\u5728\u4ee3\u7801\u4e2d\u7f16\u5199\u6761\u4ef6\u8bed\u53e5\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u6765\u51b3\u5b9a\u662f\u5426\u6267\u884c\u67d0\u4e2a\u4ee3\u7801\u5757\u6216\u8df3\u8f6c\u5230\u7279\u5b9a\u884c\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u6765\u8fdb\u884c\u8df3\u8f6c\uff0c\u5e76\u4e14\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u4ee3\u7801\u7684\u903b\u8f91\u6d41\u7a0b\u548c\u6267\u884c\u987a\u5e8f\u3002<\/p>\n
    \u95ee\u98983\uff1a\u4e3a\u4ec0\u4e48Java\u4e0d\u652f\u6301goto\u8bed\u53e5\uff1f<\/strong>
    \nJava\u8bed\u8a00\u8bbe\u8ba1\u8005\u5728\u8bbe\u8ba1Java\u8bed\u8a00\u65f6\u6545\u610f\u4e0d\u52a0\u5165goto\u8bed\u53e5\uff0c\u8fd9\u662f\u51fa\u4e8e\u5bf9\u4ee3\u7801\u6e05\u6670\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u7684\u8003\u8651\u3002goto\u8bed\u53e5\u4f1a\u4f7f\u4ee3\u7801\u53d8\u5f97\u96be\u4ee5\u7406\u89e3\u548c\u7ef4\u62a4\uff0c\u5bb9\u6613\u5bfc\u81f4\u4ee3\u7801\u7ed3\u6784\u6df7\u4e71\u548c\u7a0b\u5e8f\u6d41\u7a0b\u4e0d\u53ef\u9884\u6d4b\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cJava\u63d0\u4f9b\u4e86\u5176\u4ed6\u63a7\u5236\u7ed3\u6784\u5982if\u3001while\u3001for\u7b49\uff0c\u4f7f\u5f97\u4ee3\u7801\u903b\u8f91\u66f4\u52a0\u6e05\u6670\uff0c\u5e76\u4e14\u66f4\u6613\u4e8e\u8bfb\u5199\u548c\u8c03\u8bd5\u3002\u6b64\u5916\uff0cJava\u4e5f\u63d0\u4f9b\u4e86\u5f02\u5e38\u5904\u7406\u673a\u5236\u6765\u5904\u7406\u7a0b\u5e8f\u4e2d\u7684\u5f02\u5e38\u60c5\u51b5\uff0c\u8fd9\u79cd\u65b9\u5f0f\u66f4\u5b89\u5168\u548c\u53ef\u9760\uff0c\u907f\u514d\u4e86\u4f7f\u7528goto\u8bed\u53e5\u53ef\u80fd\u5e26\u6765\u7684\u6f5c\u5728\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Java\u7f16\u7a0b\u4e2d\uff0cgoto\u662f\u4e00\u4e2a\u4fdd\u7559\u5173\u952e\u5b57\uff0c\u4f46\u5b83\u5e76\u672a\u88ab\u5b9e\u9645\u5b9e\u73b0\u3002Java\u8bbe\u8ba1\u8005\u4eec\u9009\u62e9\u4e0d\u4f7f\u7528goto\u662f\u56e0\u4e3agot […]","protected":false},"author":3,"featured_media":297161,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/297149"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=297149"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/297149\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/297161"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=297149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=297149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=297149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}