{"id":202720,"date":"2025-05-22T09:27:54","date_gmt":"2025-05-22T01:27:54","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202720\/"},"modified":"2025-05-22T09:27:54","modified_gmt":"2025-05-22T01:27:54","slug":"java%e5%87%bd%e6%95%b0%e5%bc%8f%e7%bc%96%e7%a8%8b%ef%bc%9a%e4%bc%98%e7%82%b9%e5%92%8c%e5%b1%80%e9%99%90%e6%80%a7%e5%85%a8%e9%9d%a2%e8%a7%a3%e8%af%bb","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202720\/","title":{"rendered":"Java\u51fd\u6570\u5f0f\u7f16\u7a0b\uff1a\u4f18\u70b9\u548c\u5c40\u9650\u6027\u5168\u9762\u89e3\u8bfb"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u51fd\u6570\u5f0f\u7f16\u7a0b\uff1a\u4f18\u70b9\u548c\u5c40\u9650\u6027\u5168\u9762\u89e3\u8bfb<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava\u51fd\u6570\u5f0f\u7f16\u7a0b\uff1a\u4f18\u70b9\u548c\u5c40\u9650\u6027\u5168\u9762\u89e3\u8bfb\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9&#8230;\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n<p>\u51fd\u6570\u5f0f\u7f16\u7a0b\u5728 Java 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API\uff1a<\/strong>Java \u4e2d\u7684 Stream API \u63d0\u4f9b\u4e86\u4e00\u7ec4\u51fd\u6570\u5f0f\u64cd\u4f5c\uff0c\u7528\u4e8e\u5904\u7406\u6570\u636e\u96c6\u5408\uff0c\u5b83\u63d0\u4f9b\u4e86\u5bf9\u6570\u636e\u8fdb\u884c\u8fc7\u6ee4\u3001\u6620\u5c04\u548c\u5f52\u7ea6\u7b49\u64cd\u4f5c\u7684\u7b80\u6d01\u65b9\u6cd5\u3002<\/li>\n<li><strong>Lambda \u8868\u8fbe\u5f0f\uff1a<\/strong>Lambda \u8868\u8fbe\u5f0f\u5141\u8bb8\u533f\u540d\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5176\u4ed6\u51fd\u6570\uff0c\u8fd9\u7b80\u5316\u4e86\u4ee3\u7801\u5e76\u63d0\u9ad8\u4e86\u53ef\u8bfb\u6027\u3002<\/li>\n<li><strong>Optional \u7c7b\uff1a<\/strong>Optional \u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u8868\u793a\u53ef\u80fd\u4e3a null \u7684\u503c\u7684\u5bb9\u5668\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u7f16\u5199\u66f4\u7b80\u6d01\u548c\u5065\u58ee\u7684\u4ee3\u7801\u4ee5\u5904\u7406 null \u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u7ed3\u8bba\uff1a<\/strong><\/p>\n<p>\u51fd\u6570\u5f0f\u7f16\u7a0b\u5728 Java 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