{"id":202718,"date":"2025-05-22T11:39:16","date_gmt":"2025-05-22T03:39:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202718\/"},"modified":"2025-05-22T11:39:16","modified_gmt":"2025-05-22T03:39:16","slug":"java%e5%87%bd%e6%95%b0%e5%bc%8f%e6%8e%a5%e5%8f%a3%e5%9c%a8%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e4%b8%ad%e7%9a%84%e6%bc%94%e7%bb%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202718\/","title":{"rendered":"Java\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u7684\u6f14\u7ece"},"content":{"rendered":"

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

Java\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u7684\u6f14\u7ece<\/h1>\n

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300aJava\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u7684\u6f14\u7ece\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n

\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u7684\u5e94\u7528\uff1a\u7b56\u7565\u6a21\u5f0f\uff1a\u5b9e\u73b0\u7b97\u6cd5\u7684\u9009\u62e9\u548c\u52a8\u6001\u5e94\u7528\uff0c\u62bd\u8c61\u65b9\u6cd5\u8868\u793a\u7b97\u6cd5\u3002\u8d23\u4efb\u94fe\u6a21\u5f0f\uff1a\u5c06\u8d23\u4efb\u94fe\u7ec4\u7ec7\u6210\u94fe\u8868\uff0c\u6bcf\u4e2a\u73af\u8282\u8d1f\u8d23\u5904\u7406\u7279\u5b9a\u8bf7\u6c42\u3002\u547d\u4ee4\u6a21\u5f0f\uff1a\u5c01\u88c5\u547d\u4ee4\u64cd\u4f5c\uff0c\u6613\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u547d\u4ee4\u5217\u8868\u3002\u51fd\u6570\u5f0f\u63a5\u53e3\u4f7f\u8bbe\u8ba1\u6a21\u5f0f\u5b9e\u73b0\u66f4\u52a0\u7b80\u6d01\u3001\u53ef\u6269\u5c55\uff0c\u63d0\u9ad8\u4ee3\u7801\u8d28\u91cf\u3002<\/p>\n

<\/p>\n

Java \u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u7684\u6f14\u7ece<\/strong><\/p>\n

\u51fd\u6570\u5f0f\u63a5\u53e3\u5728 Java \u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5b83\u4ee3\u8868\u7740\u4ec5\u6709\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u7684\u63a5\u53e3\u3002\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u6211\u4eec\u4ee5\u7b80\u6d01\u3001\u53ef\u6269\u5c55\u7684\u65b9\u5f0f\u5b9e\u73b0\u884c\u4e3a\u3002<\/p>\n

\u7b56\u7565\u6a21\u5f0f<\/strong><\/p>\n

\u7b56\u7565\u6a21\u5f0f\u5b9a\u4e49\u4e86\u4e00\u7ec4\u7b97\u6cd5\uff0c\u5e76\u5141\u8bb8\u52a8\u6001\u9009\u62e9\u548c\u5e94\u7528\u5b83\u4eec\u3002\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u7b56\u7565\u6a21\u5f0f\uff0c\u56e0\u4e3a\u62bd\u8c61\u65b9\u6cd5\u53ef\u4ee5\u8868\u793a\u7b97\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n

\/\/ \u5b9a\u4e49\u4e86\u4e00\u4e2a\u7b56\u7565\u63a5\u53e3\ninterface SortStrategy {\n    int[] sort(int[] arr);\n}\n\n\/\/ \u521b\u5efa\u4e0d\u540c\u7684\u7b56\u7565\u5b9e\u73b0\nSortStrategy bubbleSort = arr -> bubbleSort(arr);\nSortStrategy mergeSort = arr -> mergeSort(arr);\n\n\/\/ \u4f7f\u7528\u7b56\u7565\u63a5\u53e3\u8c03\u7528\u7b97\u6cd5\npublic class Sort {\n    public static void sort(int[] arr, SortStrategy strategy) {\n        strategy.sort(arr);\n    }\n\n    public static void main(String[] args) {\n        int[] arr = {3, 1, 5, 2, 4};\n        sort(arr, bubbleSort);  \/\/ \u4f7f\u7528\u5192\u6ce1\u6392\u5e8f\u7b97\u6cd5\n        sort(arr, mergeSort);  \/\/ \u4f7f\u7528\u5f52\u5e76\u6392\u5e8f\u7b97\u6cd5\n    }\n}<\/pre>\n
\u8d23\u4efb\u94fe\u6a21\u5f0f<\/strong><\/p>\n
\u8d23\u4efb\u94fe\u6a21\u5f0f\u901a\u8fc7\u5c06\u8bf7\u6c42\u4f20\u9012\u5230\u8d23\u4efb\u94fe\u4e2d\u7684\u5bf9\u8c61\u6765\u5b9e\u73b0\u5904\u7406\u8bf7\u6c42\u3002\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\u53ef\u4ee5\u5c06\u8d23\u4efb\u94fe\u7ec4\u7ec7\u6210\u4e00\u4e2a\u94fe\u8868\uff0c\u6bcf\u4e2a\u73af\u8282\u8d1f\u8d23\u5904\u7406\u7279\u5b9a\u8bf7\u6c42\u3002\u4f8b\u5982\uff1a<\/p>\n
\/\/ \u5b9a\u4e49\u4e86\u4e00\u4e2a\u8d23\u4efb\u94fe\u4e2d\u7684\u4e00\u4e2a\u73af\u8282\ninterface Handler {\n    boolean handle(Request request);\n}\n\n\/\/ \u521b\u5efa\u4e0d\u540c\u7684\u8d23\u4efb\u94fe\u73af\u8282\nHandler handler1 = request -> request.getType() == \"type1\";\nHandler handler2 = request -> request.getType() == \"type2\";\n\n\/\/ \u8fde\u63a5\u8d23\u4efb\u94fe\nHandler handlerChain = handler1.andThen(handler2);\n\n\/\/ \u4f7f\u7528\u8d23\u4efb\u94fe\u5904\u7406\u8bf7\u6c42\npublic class Chain {\n    public static void handleRequest(Request request) {\n        handlerChain.handle(request);\n    }\n\n    public static void main(String[] args) {\n        Request request1 = new Request(\"type1\");\n        RequestHandler(request1);  \/\/ \u5c06\u8bf7\u6c42\u4f20\u9012\u7ed9\u8d23\u4efb\u94fe\n        Request request2 = new Request(\"type2\");\n        RequestHandler(request2);  \/\/ \u5c06\u8bf7\u6c42\u4f20\u9012\u7ed9\u8d23\u4efb\u94fe\n    }\n}<\/pre>\n
\u547d\u4ee4\u6a21\u5f0f<\/strong><\/p>\n
\u547d\u4ee4\u6a21\u5f0f\u5c01\u88c5\u4e86\u4e00\u7cfb\u5217\u64cd\u4f5c\uff0c\u5141\u8bb8\u4ee5\u53c2\u6570\u5316\u7684\u65b9\u5f0f\u8c03\u7528\u5b83\u4eec\u3002\u51fd\u6570\u5f0f\u63a5\u53e3\u53ef\u4ee5\u8868\u793a\u547d\u4ee4\uff0c\u4f7f\u5176\u6613\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u547d\u4ee4\u5217\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n
\/\/ \u5b9a\u4e49\u4e86\u4e00\u4e2a\u547d\u4ee4\ninterface Command {\n    void execute();\n}\n\n\/\/ \u521b\u5efa\u4e0d\u540c\u7684\u547d\u4ee4\u5b9e\u73b0\nCommand turnOn = () -> System.out.println(\"Turning on the device\");\nCommand turnOff = () -> System.out.println(\"Turning off the device\");\n\n\/\/ \u7ba1\u7406\u547d\u4ee4\u5217\u8868\nList<Command> commandList = new ArrayList<>();\ncommandList.add(turnOn);\ncommandList.add(turnOff);\n\n\/\/ \u6267\u884c\u547d\u4ee4\npublic class CommandExecutor {\n    public static void executeCommands(List<Command> commands) {\n        for (Command command : commands) {\n            command.execute();\n        }\n    }\n\n    public static void main(String[] args) {\n        executeCommands(commandList);  \/\/ \u6267\u884c\u547d\u4ee4\u5217\u8868\n    }\n}<\/pre>\n
\u901a\u8fc7\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u6e05\u6670\u3001\u66f4\u7b80\u6d01\u5730\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u6269\u5c55\u6027\u3001\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n
\u6587\u4e2d\u5173\u4e8e\u8bbe\u8ba1\u6a21\u5f0f,\u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aJava\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u7684\u6f14\u7ece\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Java\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u7684...<\/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-202718","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202718","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=202718"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202718\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}