{"id":2767,"date":"2025-04-14T15:32:59","date_gmt":"2025-04-14T07:32:59","guid":{"rendered":"https:\/\/www.drillinsight.com\/news\/\/"},"modified":"2025-04-14T15:33:20","modified_gmt":"2025-04-14T07:33:20","slug":"the-basics-of-java-algorithms","status":"publish","type":"post","link":"https:\/\/www.drillinsight.com\/zh-CN\/news\/the-basics-of-java-algorithms\/","title":{"rendered":"\u6211\u7684\u8f6c\u7801\u4e4b\u8def\uff1aJava\u7b97\u6cd5\u57fa\u7840\u600e\u4e48\u5b66\uff1f"},"content":{"rendered":"<!-- wp:paragraph -->\n<p>\u5b66\u4e60 Java\u7b97\u6cd5\u57fa\u7840\u5bf9\u6211\u6765\u8bf4\uff0c\u5c31\u50cf\u662f\u5728\u73a9\u4e00\u6b3e\u9ad8\u5206\u6e38\u620f\uff0c\u8d8a\u6df1\u5165\uff0c\u8d8a\u80fd\u611f\u89c9\u5230\u6210\u5c31\u611f\u3002\u6700\u521d\uff0c\u6211\u89c9\u5f97 Java \u5c31\u662f\u5199\u5199\u7b80\u5355\u7684\u4ee3\u7801\uff0c\u641e\u5b9a\u4e00\u4e9b\u5c0f\u95ee\u9898\uff0c\u4f46\u6e10\u6e10\u5730\u6211\u53d1\u73b0\uff0c\u60f3\u8981\u771f\u6b63\u638c\u63e1 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class=\"wp-block-heading\">\u4ece\u7b80\u5355\u95ee\u9898\u5f00\u59cb<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>\u4e4b\u540e\uff0c\u6211\u5c31\u4ece\u7b80\u5355\u7684\u6392\u5e8f\u7b97\u6cd5\u5f00\u59cb\uff0c\u50cf\u5192\u6ce1\u6392\u5e8f\u3001\u5feb\u901f\u6392\u5e8f\u3001\u5f52\u5e76\u6392\u5e8f\uff0c\u6211\u53cd\u590d\u505a\u8fd9\u4e9b\u9898\uff0c\u641e\u6e05\u695a\u5b83\u4eec\u7684\u65f6\u95f4\u590d\u6742\u5ea6\uff0c\u6bcf\u79cd\u6392\u5e8f\u7b97\u6cd5\u7684\u4f18\u7f3a\u70b9\u3001\u9002\u7528\u573a\u666f\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">\u5237\u9898<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>\u63a5\u7740\uff0c\u6211\u5f00\u59cb\u63a5\u89e6\u5237\u9898\uff0cLeetCode\u3001HackerRank\u3001Codeforces \u6210\u4e86\u6211\u7684\u5fc5\u5907\u5de5\u5177\u3002\u6211\u8bb0\u5f97\u521a\u5f00\u59cb\u65f6\uff0c\u505a\u7b80\u5355\u7684\u53cc\u6307\u9488\u95ee\u9898\uff0c\u6bd4\u5982 Two Sum\uff0c\u505a\u4e86\u5f88\u591a\u6b21\uff0c\u624d\u5f00\u59cb\u7406\u89e3\u5b83\u7684\u89c4\u5f8b\u3002\u540e\u6765\uff0c\u6211\u9010\u6e10\u6311\u6218\u81ea\u5df1\u505a\u66f4\u96be\u7684\uff0c\u6bd4\u5982\u6ed1\u52a8\u7a97\u53e3\u7684\u6700\u5927\u5b50\u6570\u7ec4\u548c\u95ee\u9898\u3001\u52a8\u6001\u89c4\u5212\u7684\u6590\u6ce2\u90a3\u5951\u6570\u5217\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">\u7406\u89e3\u7b97\u6cd5\u7684\u672c\u8d28<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>\u6bcf\u505a\u5b8c\u4e00\u9898\uff0c\u6211\u90fd\u4f1a\u603b\u7ed3\uff0c\u770b\u770b\u8fd9\u9053\u9898\u6211\u4e3a\u4ec0\u4e48\u9009\u7528\u8fd9\u79cd\u7b97\u6cd5\uff1f\u5982\u679c\u7b97\u6cd5\u65f6\u95f4\u590d\u6742\u5ea6\u9ad8\uff0c\u6211\u80fd\u4e0d\u80fd\u4f18\u5316\u5b83\uff0c\u600e\u4e48\u4ece O(n^2) \u964d\u5230 O(n)\uff1f\u901a\u8fc7\u8fd9\u4e9b\u7ec3\u4e60\uff0c\u6211\u6162\u6162\u53d1\u73b0\uff0c\u89e3\u9898\u4e0d\u4ec5\u4ec5\u662f\u6b7b\u8bb0\u786c\u80cc\u4ee3\u7801\uff0c\u66f4\u591a\u7684\u662f\u8981\u7406\u89e3\u7b97\u6cd5\u80cc\u540e\u7684\u903b\u8f91.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>\u6bcf\u6b21\u56de\u8fc7\u5934\u53bb\u505a\u65e7\u9898\uff0c\u53d1\u73b0\u81ea\u5df1\u505a\u5f97\u53c8\u5feb\u53c8\u597d\u65f6\uff0c\u90a3\u79cd\u6210\u5c31\u611f\u771f\u7684\u662f\u6ca1\u6cd5\u5f62\u5bb9\u7684\u3002\u6211\u5f00\u59cb\u603b\u7ed3\u81ea\u5df1\u7684\u89e3\u9898\u601d\u8def\uff0c\u6bd4\u5982\u8bf4 DFS \u548c BFS \u7684\u5e94\u7528\u573a\u666f\uff0c\u52a8\u6001\u89c4\u5212\u7684\u72b6\u6001\u8f6c\u79fb\u65b9\u7a0b\u600e\u4e48\u5199\uff0c\u4f18\u5316\u7b97\u6cd5\u65f6\u6709\u54ea\u4e9b\u5e38\u89c1\u6280\u5de7\u3002\u5b66\u4e60<a 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