{"id":202816,"date":"2025-05-22T09:08:08","date_gmt":"2025-05-22T01:08:08","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202816\/"},"modified":"2025-05-22T09:08:08","modified_gmt":"2025-05-22T01:08:08","slug":"%e5%9c%a8-java-%e4%b8%ad%e5%87%bd%e6%95%b0%e5%bc%8f%e7%bc%96%e7%a8%8b%e8%8c%83%e5%bc%8f%e7%9a%84%e5%b1%80%e9%99%90%e6%80%a7%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202816\/","title":{"rendered":"\u5728 Java \u4e2d\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u7684\u5c40\u9650\u6027\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5728 Java \u4e2d\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u7684\u5c40\u9650\u6027\u6709\u54ea\u4e9b\uff1f<\/h1>\n<p>\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5728 Java \u4e2d\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u7684\u5c40\u9650\u6027\u6709\u54ea\u4e9b\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p>Java\u4e2d\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u7684\u5c40\u9650\u6027\u5305\u62ec\uff1a\u4e0d\u53ef\u53d8\u6027\uff1a\u96be\u4ee5\u4fee\u6539\u6570\u636e\u7ed3\u6784\uff1b\u7f3a\u4e4f\u526f\u4f5c\u7528\uff1a\u6d4b\u8bd5\u548c\u8c03\u8bd5\u56f0\u96be\uff1b\u9ad8\u5185\u5b58\u6d88\u8017\uff1a\u521b\u5efa\u4e0d\u53ef\u53d8\u5bf9\u8c61\u526f\u672c\uff1b\u6709\u9650\u7684OOP\u652f\u6301\uff1a\u4e0eOOP\u98ce\u683c\u4e0d\u5b8c\u5168\u517c\u5bb9\uff0c\u964d\u4f4e\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729945111671cde176ca74.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u4e2d\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u7684\u5c40\u9650\u6027<\/strong><\/p>\n<p>\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u5728 Java \u4e2d\u63d0\u4f9b\u4e86\u8bb8\u591a\u4f18\u52bf\uff0c\u4f46\u4e5f\u6709\u5176\u5c40\u9650\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u4e0d\u53ef\u53d8\u6027\uff1a<\/strong> \u51fd\u6570\u5f0f\u7f16\u7a0b\u6ce8\u91cd\u4e0d\u53ef\u53d8\u6570\u636e\uff0c\u8fd9\u5e26\u6765\u4e86\u5e76\u53d1\u548c\u6027\u80fd\u4f18\u52bf\uff0c\u4f46\u5b83\u4e5f\u53ef\u80fd\u5bfc\u81f4\u96be\u4ee5\u4fee\u6539\u6570\u636e\u7ed3\u6784\u3002<\/li>\n<li><strong>\u7f3a\u4e4f\u526f\u4f5c\u7528\uff1a<\/strong> \u51fd\u6570\u5e94\u8be5\u6ca1\u6709\u526f\u4f5c\u7528\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u4e0d\u5e94\u4fee\u6539\u5916\u90e8\u72b6\u6001\u3002\u8fd9\u4f7f\u5f97\u6d4b\u8bd5\u548c\u8c03\u8bd5\u53d8\u5f97\u56f0\u96be\uff0c\u56e0\u4e3a\u5b83\u4f1a\u5bfc\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u884c\u4e3a\u3002<\/li>\n<li><strong>\u9ad8\u5185\u5b58\u6d88\u8017\uff1a<\/strong> \u7531\u4e8e\u4e0d\u53ef\u53d8\u6027\uff0c\u51fd\u6570\u5f0f\u7f16\u7a0b\u901a\u5e38\u4f1a\u5bfc\u81f4\u5185\u5b58\u6d88\u8017\u66f4\u9ad8\uff0c\u56e0\u4e3a\u521b\u5efa\u4e86\u591a\u4e2a\u4e0d\u53ef\u53d8\u5bf9\u8c61\u526f\u672c\u3002<\/li>\n<li><strong>\u6709\u9650\u7684 OOP \u652f\u6301\uff1a<\/strong> Java \u4e3b\u8981\u57fa\u4e8e\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b (OOP) \u539f\u5219\u3002\u51fd\u6570\u5f0f\u7f16\u7a0b\u4e0e OOP \u98ce\u683c\u4e0d\u5b8c\u5168\u517c\u5bb9\uff0c\u53ef\u80fd\u5bfc\u81f4\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u964d\u4f4e\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a Java \u65b9\u6cd5\uff0c\u5b83\u8ba1\u7b97\u4e24\u4e2a\u6574\u6570\u7684\u5e73\u5747\u503c\uff1a<\/p>\n<pre>int average(int a, int b) {\n  int sum = a + b;\n  return sum \/ 2;\n}<\/pre>\n<p>\u5982\u679c\u6211\u4eec\u5c1d\u8bd5\u5c06\u5176\u8f6c\u6362\u4e3a\u51fd\u6570\u5f0f\u98ce\u683c\uff0c\u6211\u4eec\u4f1a\u9047\u5230\u4e0d\u53ef\u53d8\u6027\u7684\u95ee\u9898\uff1a<\/p>\n<pre>IntFunction&lt;Double&gt; averageFP = (a, b) -&gt; {\n  return (a + b) \/ 2.0;\n};<\/pre>\n<p>\u8be5\u51fd\u6570\u9700\u8981\u5728\u5185\u90e8\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Double \u5bf9\u8c61\uff0c\u800c\u65e0\u6cd5\u76f4\u63a5\u4fee\u6539\u8f93\u5165\u7684 int \u503c\u3002\u8fd9\u53ef\u80fd\u4f1a\u964d\u4f4e\u6027\u80fd\u5e76\u5bfc\u81f4\u5185\u5b58\u6d88\u8017\u589e\u52a0\u3002<\/p>\n<p><strong>\u7ed3\u8bba\uff1a<\/strong><\/p>\n<p>\u867d\u7136\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u5728 Java \u4e2d\u5e26\u6765\u4e86\u4f18\u52bf\uff0c\u4f46\u5728\u5e94\u7528\u5b83\u65f6\u9700\u8981\u8003\u8651\u5176\u5c40\u9650\u6027\u3002\u4e0d\u53ef\u53d8\u6027\u3001\u7f3a\u4e4f\u526f\u4f5c\u7528\u548c\u9ad8\u5185\u5b58\u6d88\u8017\u7b49\u65b9\u9762\u53ef\u80fd\u5f71\u54cd\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5728 Java \u4e2d\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u7684\u5c40\u9650\u6027\u6709\u54ea\u4e9b\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Java \u4e2d\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u7684&#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-202816","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202816","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=202816"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202816\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}