{"id":202769,"date":"2025-05-22T08:14:29","date_gmt":"2025-05-22T00:14:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202769\/"},"modified":"2025-05-22T08:14:29","modified_gmt":"2025-05-22T00:14:29","slug":"%e5%9c%a8-java-%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%87%bd%e6%95%b0%e5%bc%8f%e7%bc%96%e7%a8%8b%e6%8f%90%e9%ab%98%e4%bb%a3%e7%a0%81%e7%9a%84%e5%8f%af%e8%af%bb%e6%80%a7%e5%92%8c%e5%8f%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202769\/","title":{"rendered":"\u5728 Java \u4e2d\u5982\u4f55\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5728 Java \u4e2d\u5982\u4f55\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff1f<\/h1>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u5728 Java \u4e2d\u5982\u4f55\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p>\u51fd\u6570\u5f0f\u7f16\u7a0b\u901a\u8fc7\u4f7f\u7528\u7eaf\u51fd\u6570\u3001\u4e0d\u53ef\u53d8\u6570\u636e\u7ed3\u6784\u3001\u6d41\u5904\u7406\u548c Lambda \u8868\u8fbe\u5f0f\uff0c\u63d0\u9ad8\u4e86 Java \u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u786e\u4fdd\u4e86\u6570\u636e\u7684\u5b8c\u6574\u6027\uff0c\u7b80\u5316\u4e86\u4ee3\u7801\uff0c\u5e76\u4ee5\u58f0\u660e\u5f0f\u7684\u65b9\u5f0f\u5904\u7406\u6570\u636e\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729940003671cca2376f52.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5728 Java \u4e2d\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u51fd\u6570\u5f0f\u7f16\u7a0b\u662f\u4e00\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u5b83\u5f3a\u8c03\u4f7f\u7528\u7eaf\u51fd\u6570\u548c\u4e0d\u53ef\u53d8\u6570\u636e\u7ed3\u6784\u3002\u5b83\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u8fd9\u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>\u7eaf\u51fd\u6570<\/strong><\/p>\n<ul>\n<li>\u7eaf\u51fd\u6570\u4e0d\u4f1a\u4ea7\u751f\u526f\u4f5c\u7528\uff0c\u4f8b\u5982\u4fee\u6539\u8f93\u5165\u6570\u636e\u6216\u6253\u5370\u8f93\u51fa\u3002<\/li>\n<li>\u5b83\u4eec\u4ec5\u4f9d\u8d56\u4e8e\u5176\u8f93\u5165\uff0c\u5e76\u4e14\u603b\u662f\u8fd4\u56de\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<p><strong>\u4e0d\u53ef\u53d8\u6570\u636e\u7ed3\u6784<\/strong><\/p>\n<ul>\n<li>\u4e0d\u53ef\u53d8\u6570\u636e\u7ed3\u6784\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u80fd\u88ab\u4fee\u6539\u3002<\/li>\n<li>\u5b83\u4eec\u786e\u4fdd\u4e86\u6570\u636e\u7684\u5b8c\u6574\u6027\uff0c\u907f\u514d\u4e86\u96be\u4ee5\u8c03\u8bd5\u7684\u5e76\u53d1\u95ee\u9898\u3002<\/li>\n<\/ul>\n<p><strong>\u6d41\u5904\u7406<\/strong><\/p>\n<ul>\n<li>\u6d41\u662f\u5143\u7d20\u7684\u987a\u5e8f\u96c6\u5408\uff0c\u53ef\u4ee5\u6309\u9700\u5904\u7406\u3002<\/li>\n<li>Java 8 \u5f15\u5165\u4e86\u6d41 API\uff0c\u5141\u8bb8\u4ee5\u58f0\u660e\u5f0f\u65b9\u5f0f\u5904\u7406\u6570\u636e\u3002<\/li>\n<\/ul>\n<p><strong>Lambda \u8868\u8fbe\u5f0f<\/strong><\/p>\n<ul>\n<li>Lambda \u8868\u8fbe\u5f0f\u662f\u533f\u540d\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u4f20\u9012\u7ed9\u5176\u4ed6\u65b9\u6cd5\u6216\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002<\/li>\n<li>\u5b83\u4eec\u7c21\u5316\u4e86\u4ee3\u7801\uff0c\u4f7f\u4e4b\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u7406\u89e3\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u51fd\u6570\u5f0f\u7f16\u7a0b\u5982\u4f55\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff1a<\/p>\n<pre>\/\/ \u4f7f\u7528\u6d41\u7b5b\u9009\u8ba2\u5355\u4e2d\u4ef7\u683c\u5927\u4e8e 100 \u7f8e\u5143\u7684\u9879\u76ee\nList&lt;Order&gt; orders = ...;\nList&lt;Order&gt; filteredOrders = orders.stream()\n    .filter(order -&gt; order.getPrice() &gt; 100)\n    .toList();<\/pre>\n<p>\u4e0e\u4f7f\u7528\u4f20\u7edf\u5faa\u73af\u76f8\u6bd4\uff0c\u6d41\u5f0f\u65b9\u6cd5\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u7406\u89e3\u3002\u5b83\u660e\u786e\u63cf\u8ff0\u4e86\u7b5b\u9009\u64cd\u4f5c\uff0c\u800c\u65e0\u9700\u4efb\u4f55\u663e\u5f0f\u7684\u8fed\u4ee3\u6216\u8d4b\u503c\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u51fd\u6570\u5f0f\u7f16\u7a0b\u6280\u672f\u53ef\u4ee5\u663e\u7740\u63d0\u9ad8 Java \u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u901a\u8fc7\u4f7f\u7528\u7eaf\u51fd\u6570\uff0c\u4e0d\u53ef\u53d8\u6570\u636e\u7ed3\u6784\uff0c\u6d41\u5904\u7406\u548c lambda \u8868\u8fbe\u5f0f\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u521b\u5efa\u66f4\u6e05\u6670\u3001\u66f4\u53ef\u9760\u3001\u66f4\u6613\u4e8e\u7ef4\u62a4\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8ejava,\u51fd\u6570\u5f0f\u7f16\u7a0b\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\u300a\u5728 Java \u4e2d\u5982\u4f55\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff1f\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":"<p>\u5728 Java \u4e2d\u5982\u4f55\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16&#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-202769","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202769","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=202769"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202769\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202769"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}