{"id":202534,"date":"2025-05-22T09:18:12","date_gmt":"2025-05-22T01:18:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202534\/"},"modified":"2025-05-22T09:18:12","modified_gmt":"2025-05-22T01:18:12","slug":"%e4%bd%8e%e6%89%a7%e8%a1%8c%e6%95%88%e7%8e%87%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d-java-%e5%87%bd%e6%95%b0%e7%9a%84%e5%93%8d%e5%ba%94%e6%97%b6%e9%97%b4%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202534\/","title":{"rendered":"\u4f4e\u6267\u884c\u6548\u7387\u5982\u4f55\u5f71\u54cd Java \u51fd\u6570\u7684\u54cd\u5e94\u65f6\u95f4\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u4f4e\u6267\u884c\u6548\u7387\u5982\u4f55\u5f71\u54cd Java \u51fd\u6570\u7684\u54cd\u5e94\u65f6\u95f4\uff1f<\/h1>\n

\u4f60\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\u300a\u4f4e\u6267\u884c\u6548\u7387\u5982\u4f55\u5f71\u54cd Java \u51fd\u6570\u7684\u54cd\u5e94\u65f6\u95f4\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n

\u4f4e\u6267\u884c\u6548\u7387\u4f1a\u5ef6\u957f\u51fd\u6570\u5904\u7406\u8bf7\u6c42\u7684\u65f6\u95f4\uff0c\u4ece\u800c\u589e\u52a0\u54cd\u5e94\u65f6\u95f4\u3002\u5f71\u54cd\u56e0\u7d20\u5305\u62ec\u4ee3\u7801\u590d\u6742\u5ea6\u3001\u8d44\u6e90\u6d88\u8017\u548c I\/O \u64cd\u4f5c\u3002\u4f18\u5316\u7b56\u7565\u6709\uff1a\u7b80\u5316\u4ee3\u7801\u3001\u51cf\u5c11\u8d44\u6e90\u6d88\u8017\u3001\u5f02\u6b65 I\/O \u548c\u7f13\u5b58\u6570\u636e\u3002<\/p>\n

<\/p>\n

\u4f4e\u6267\u884c\u6548\u7387\u5982\u4f55\u5f71\u54cd Java \u51fd\u6570\u7684\u54cd\u5e94\u65f6\u95f4\uff1f<\/h2>\n

\u7b80\u4ecb<\/strong><\/p>\n

Java \u51fd\u6570\u5728\u4e91\u7aef\u73af\u5883\u4e2d\u8fd0\u884c\u65f6\uff0c\u5176\u6267\u884c\u6548\u7387\u4f1a\u5bf9\u54cd\u5e94\u65f6\u95f4\u4ea7\u751f\u663e\u8457\u5f71\u54cd\u3002\u4f4e\u6267\u884c\u6548\u7387\u4f1a\u5bfc\u81f4\u51fd\u6570\u5904\u7406\u8bf7\u6c42\u6240\u9700\u65f6\u95f4\u5ef6\u957f\uff0c\u4ece\u800c\u5bfc\u81f4\u66f4\u957f\u7684\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n

\u5f71\u54cd\u56e0\u7d20<\/strong><\/p>\n

\u5f71\u54cd Java \u51fd\u6570\u6267\u884c\u6548\u7387\u7684\u56e0\u7d20\u6709\u5f88\u591a\uff0c\u5305\u62ec\uff1a<\/p>\n

    \n
  • \u4ee3\u7801\u590d\u6742\u5ea6\uff1a<\/strong>\u590d\u6742\u7684\u4ee3\u7801\u9700\u8981\u66f4\u591a\u7684 CPU \u5468\u671f\uff0c\u4ece\u800c\u964d\u4f4e\u6267\u884c\u6548\u7387\u3002<\/li>\n
  • \u8d44\u6e90\u6d88\u8017\uff1a<\/strong>\u51fd\u6570\u6d88\u8017\u7684\u5185\u5b58\u548c CPU \u7b49\u8d44\u6e90\u8d8a\u591a\uff0c\u5176\u6267\u884c\u6548\u7387\u5c31\u8d8a\u4f4e\u3002<\/li>\n
  • I\/O \u64cd\u4f5c\uff1a<\/strong>\u51fd\u6570\u8fdb\u884c I\/O\uff08\u8f93\u5165\/\u8f93\u51fa\uff09\u64cd\u4f5c\uff08\u5982\u7f51\u7edc\u8bf7\u6c42\u6216\u6587\u4ef6\u5199\u5165\uff09\u4f1a\u963b\u585e\u6267\u884c\uff0c\u964d\u4f4e\u6548\u7387\u3002<\/li>\n<\/ul>\n

    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n

    \u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u4e00\u4e2a\u4f4e\u6267\u884c\u6548\u7387\u7684 Java \u51fd\u6570\uff1a<\/p>\n

    import java.util.ArrayList;\nimport java.util.List;\n\npublic class ExampleFunction {\n\n    public static void handleRequest(String name) {\n        \/\/ \u521b\u5efa\u4e00\u4e2a\u5305\u542b100\u4e07\u4e2a\u5143\u7d20\u7684\u5217\u8868\n        List<String> list = new ArrayList<>();\n        for (int i = 0; i < 1_000_000; i++) {\n            list.add(String.valueOf(i));\n        }\n\n        \/\/ \u5bf9\u5217\u8868\u8fdb\u884c\u6392\u5e8f\uff08\u6548\u7387\u4f4e\u4e0b\uff09\n        list.sort((a, b) -> a.compareTo(b));\n    }\n}<\/pre>\n
    \u6b64\u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u539f\u56e0\u5728\u4e8e\uff1a<\/p>\n
      \n
    • \u4ee3\u7801\u590d\u6742\u5ea6\u9ad8\uff1asort<\/code> \u65b9\u6cd5\u9700\u8981 O(n log(n)) \u65f6\u95f4\u590d\u6742\u5ea6\u3002<\/li>\n
    • \u8d44\u6e90\u6d88\u8017\u5927\uff1a\u5728\u6392\u5e8f\u8fc7\u7a0b\u4e2d\u521b\u5efa\u548c\u7ef4\u62a4\u5217\u8868\u9700\u8981\u5927\u91cf\u5185\u5b58\u3002<\/li>\n<\/ul>\n
      \u4f18\u5316\u7b56\u7565<\/strong><\/p>\n
      \u4e3a\u4e86\u63d0\u9ad8 Java \u51fd\u6570\u7684\u6267\u884c\u6548\u7387\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u7b56\u7565\uff1a<\/p>\n
        \n
      • \u7b80\u5316\u4ee3\u7801\uff1a<\/strong>\u5c3d\u53ef\u80fd\u51cf\u5c11\u51fd\u6570\u4e2d\u4ee3\u7801\u7684\u590d\u6742\u5ea6\u3002<\/li>\n
      • \u51cf\u5c11\u8d44\u6e90\u6d88\u8017\uff1a<\/strong>\u4f18\u5316\u5185\u5b58\u548c CPU \u4f7f\u7528\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8d44\u6e90\u6d88\u8017\u3002<\/li>\n
      • \u5f02\u6b65 I\/O\uff1a<\/strong>\u4f7f\u7528\u5f02\u6b65 I\/O \u64cd\u4f5c\u6765\u907f\u514d\u963b\u585e\u6267\u884c\u3002<\/li>\n
      • \u7f13\u5b58\u6570\u636e\uff1a<\/strong>\u907f\u514d\u91cd\u590d\u83b7\u53d6\u76f8\u540c\u7684\u6570\u636e\uff0c\u5229\u7528\u7f13\u5b58\u673a\u5236\u63d0\u5347\u6548\u7387\u3002<\/li>\n<\/ul>\n
        \u7ed3\u8bba<\/strong><\/p>\n
        \u4f4e\u6267\u884c\u6548\u7387\u4f1a\u663e\u8457\u5f71\u54cd Java \u51fd\u6570\u7684\u54cd\u5e94\u65f6\u95f4\u3002\u901a\u8fc7\u7406\u89e3\u4e0a\u8ff0\u5f71\u54cd\u56e0\u7d20\u548c\u91c7\u53d6\u4f18\u5316\u7b56\u7565\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u63d0\u5347\u51fd\u6570\u7684\u6267\u884c\u6548\u7387\uff0c\u4ece\u800c\u83b7\u5f97\u66f4\u5feb\u7684\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n
        \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u4f4e\u6267\u884c\u6548\u7387\u5982\u4f55\u5f71\u54cd Java \u51fd...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202534","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202534","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202534"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202534\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}