{"id":203083,"date":"2025-05-22T11:46:10","date_gmt":"2025-05-22T03:46:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203083\/"},"modified":"2025-05-22T11:46:10","modified_gmt":"2025-05-22T03:46:10","slug":"java%e5%87%bd%e6%95%b0%e5%bc%8f%e6%8e%a5%e5%8f%a3%e7%9a%84%e4%bc%98%e5%8a%bf%e5%92%8c%e5%b1%80%e9%99%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203083\/","title":{"rendered":"Java\u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u4f18\u52bf\u548c\u5c40\u9650"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u4f18\u52bf\u548c\u5c40\u9650<\/h1>\n<p><span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava\u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u4f18\u52bf\u548c\u5c40\u9650\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n<p>\u51fd\u6570\u5f0f\u63a5\u53e3\uff0c\u5177\u6709\u5355\u4e2a\u62bd\u8c61\u65b9\u6cd5\u7684\u63a5\u53e3\uff0c\u5e26\u6765\u4ee5\u4e0b\u4f18\u52bf\uff1a\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\uff0c\u660e\u786e\u6307\u5b9a\u63a5\u53e3\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\u3002\u63d0\u9ad8\u4ee3\u7801\u590d\u7528\u6027\uff0c\u53ef\u8f7b\u677e\u4f20\u9012\u53ef\u91cd\u7528\u4ee3\u7801\u7247\u6bb5\u7ed9\u5176\u4ed6\u65b9\u6cd5\u3002\u652f\u6301 Lambda \u8868\u8fbe\u5f0f\uff0c\u7528\u4e8e\u521b\u5efa\u7b80\u6d01\u533f\u540d\u51fd\u6570\u3002\u66f4\u7075\u6d3b\u7684 API \u8bbe\u8ba1\uff0c\u5141\u8bb8\u8bbe\u8ba1\u66f4\u7075\u6d3b\u548c\u53ef\u914d\u7f6e\u7684 API\u3002\u4f46\u51fd\u6570\u5f0f\u63a5\u53e3\u4e5f\u5b58\u5728\u5c40\u9650\u6027\uff1a\u7075\u6d3b\u6027\u6709\u9650\uff0c\u4ec5\u5141\u8bb8\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u3002\u53ef\u80fd\u7f3a\u4e4f\u7c7b\u578b\u5b89\u5168\u6027\uff0c\u53ef\u80fd\u5bfc\u81f4\u7c7b\u578b\u4e0d\u5339\u914d\u9519\u8bef\u3002\u8fc7\u6e21\u6027 API \u8bbe\u8ba1\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241028\/1730078331671ee67b11681.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u4f18\u52bf\u548c\u5c40\u9650<\/strong><\/p>\n<p>\u51fd\u6570\u5f0f\u63a5\u53e3\u662f Java 8 \u4e2d\u5f15\u5165\u7684\u4e00\u9879\u7279\u6027\uff0c\u5b83\u5141\u8bb8\u5c06\u5177\u6709\u5355\u4e2a\u62bd\u8c61\u65b9\u6cd5\u7684\u63a5\u53e3\u4f5c\u4e3a\u5176\u4ed6\u65b9\u6cd5\u7684\u53c2\u6570\u4f20\u9012\u3002\u8fd9\u63d0\u4f9b\u4e86\u591a\u79cd\u4f18\u52bf\u548c\u4e00\u4e9b\u5c40\u9650\u6027\uff0c\u6211\u4eec\u5c06\u5728\u672c\u6587\u4e2d\u63a2\u8ba8\u8fd9\u4e9b\u4f18\u52bf\u548c\u5c40\u9650\u6027\u3002<\/p>\n<p><strong>\u4f18\u52bf\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\uff1a<\/strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u6613\u8bfb\uff0c\u56e0\u4e3a\u5b83\u660e\u786e\u6307\u5b9a\u4e86\u63a5\u53e3\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u4ee3\u7801\u590d\u7528\u6027\uff1a<\/strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u5141\u8bb8\u8f7b\u677e\u5730\u5c06\u53ef\u91cd\u7528\u7684\u4ee3\u7801\u7247\u6bb5\u4f20\u9012\u7ed9\u5176\u4ed6\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u652f\u6301Lambda \u8868\u8fbe\u5f0f\uff1a<\/strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u53ef\u4ee5\u4e0e Lambda \u8868\u8fbe\u5f0f\u4e00\u8d77\u4f7f\u7528\uff0c\u7528\u4e8e\u521b\u5efa\u7b80\u6d01\u7684\u533f\u540d\u51fd\u6570\u3002<\/li>\n<li><strong>\u66f4\u7075\u6d3b\u7684 API \u8bbe\u8ba1\uff1a<\/strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u5141\u8bb8\u8bbe\u8ba1\u5177\u6709\u66f4\u7075\u6d3b\u548c\u53ef\u914d\u7f6e API \u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u8981\u5b9e\u73b0\u7684\u6392\u5e8f\u7b97\u6cd5\u3002\u4f8b\u5982\uff0c\u8981\u6839\u636e\u59d3\u540d\u5bf9 person \u5bf9\u8c61\u5217\u8868\u8fdb\u884c\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51fd\u6570\u5f0f\u63a5\u53e3\uff1a<\/p>\n<pre>interface PersonComparator {\n    int compare(Person p1, Person p2);\n}<\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49 Comparator \u7684\u5177\u4f53\u5b9e\u73b0\uff0c\u7136\u540e\u5c06\u5b83\u4f20\u9012\u7ed9\u6392\u5e8f\u65b9\u6cd5\uff1a<\/p>\n<pre>Comparator&lt;Person&gt; byName = (p1, p2) -&gt; p1.getName().compareTo(p2.getName());\nList&lt;Person&gt; persons = ...;\npersons.sort(byName);<\/pre>\n<p><strong>\u5c40\u9650\u6027\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u7075\u6d3b\u6027\u6709\u9650\uff1a<\/strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u5f88\u7075\u6d3b\uff0c\u4f46\u5b83\u4eec\u53ea\u5141\u8bb8\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u3002\u5982\u679c\u9700\u8981\u66f4\u591a\u7684\u62bd\u8c61\u65b9\u6cd5\uff0c\u5219\u9700\u8981\u5b9a\u4e49\u591a\u4e2a\u63a5\u53e3\u6216\u4f7f\u7528 Java 10 \u5f15\u5165\u7684\u5d4c\u5957\u63a5\u53e3\u3002<\/li>\n<li><strong>\u53ef\u80fd\u7f3a\u4e4f\u7c7b\u578b\u5b89\u5168\u6027\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\u53ef\u80fd\u5bfc\u81f4\u7c7b\u578b\u5b89\u5168\u6027\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5c06\u7c7b\u578b\u4e0d\u5339\u914d\u7684\u51fd\u6570\u4f20\u9012\u7ed9\u65b9\u6cd5\uff0c\u90a3\u4e48\u7f16\u8bd1\u5668\u53ef\u80fd\u4e0d\u4f1a\u68c0\u6d4b\u5230\u9519\u8bef\u3002<\/li>\n<li><strong>\u8fc7\u6e21\u6027 API \u8bbe\u8ba1\uff1a<\/strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u53ef\u4ee5\u6539\u53d8 API \u7684\u8bbe\u8ba1\uff0c\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300aJava\u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u4f18\u52bf\u548c\u5c40\u9650\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u4f18\u52bf,\u51fd\u6570\u5f0f\u63a5\u53e3,\u5c40\u9650\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u4f18\u52bf\u548c\u5c40\u9650 &#46;&#46;&#46;<\/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-203083","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203083","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=203083"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203083\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}