{"id":202931,"date":"2025-05-22T11:01:54","date_gmt":"2025-05-22T03:01:54","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202931\/"},"modified":"2025-05-22T11:01:54","modified_gmt":"2025-05-22T03:01:54","slug":"%e5%87%bd%e6%95%b0%e5%bc%8f%e6%8e%a5%e5%8f%a3%e5%9c%a8java%e5%b9%b6%e8%a1%8c%e7%bc%96%e7%a8%8b%e4%b8%ad%e7%9a%84%e4%bd%9c%e7%94%a8%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f%e5%a6%82%e4%bd%95%e5%88%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202931\/","title":{"rendered":"\u51fd\u6570\u5f0f\u63a5\u53e3\u5728Java\u5e76\u884c\u7f16\u7a0b\u4e2d\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u5229\u7528\u5b83\u52a0\u901f\u5904\u7406\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u51fd\u6570\u5f0f\u63a5\u53e3\u5728Java\u5e76\u884c\u7f16\u7a0b\u4e2d\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u5229\u7528\u5b83\u52a0\u901f\u5904\u7406\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u51fd\u6570\u5f0f\u63a5\u53e3\u5728Java\u5e76\u884c\u7f16\u7a0b\u4e2d\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u5229\u7528\u5b83\u52a0\u901f\u5904\u7406\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730000676671db7240be35.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u5728 Java \u5e76\u884c\u7f16\u7a0b\u4e2d\u7684\u4f5c\u7528<\/strong><\/p>\n<p>\u51fd\u6570\u5f0f\u63a5\u53e3\u662f\u4ec5\u5b9a\u4e49\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u7684\u63a5\u53e3\u3002\u5728 Java \u5e76\u884c\u7f16\u7a0b\u4e2d\uff0c\u5b83\u4eec\u5bf9\u4e8e\u57fa\u4e8e lambda \u8868\u8fbe\u5f0f\u548c\u6d41 API \u521b\u5efa\u5e76\u884c\u4ee3\u7801\u6781\u5176\u6709\u7528\u3002<\/p>\n<p><strong>\u4f18\u52bf\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u5e76\u884c\u6027\uff1a<\/strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u5141\u8bb8\u5c06\u4efb\u52a1\u5206\u89e3\u4e3a\u5c0f\u5757\uff0c\u53ef\u4ee5\u5e76\u884c\u6267\u884c\u3002<\/li>\n<li><strong>\u7b80\u6d01\u6027\uff1a<\/strong>lambda \u8868\u8fbe\u5f0f\u548c\u6d41\u7ba1\u9053\u53ef\u4ee5\u4f7f\u5e76\u884c\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u6613\u8bfb\u3002<\/li>\n<li><strong>\u53ef\u7ec4\u5408\u6027\uff1a<\/strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u53ef\u4ee5\u7ec4\u5408\u5728\u4e00\u8d77\u4ee5\u521b\u5efa\u66f4\u590d\u6742\u7684\u5e76\u884c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p><strong>\u5982\u4f55\u5229\u7528\u5b83\u52a0\u901f\u5904\u7406\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u521b\u5efa\u51fd\u6570\u5f0f\u63a5\u53e3\uff1a<\/strong>\u5b9a\u4e49\u4e00\u4e2a\u5177\u6709\u5355\u4e2a\u62bd\u8c61\u65b9\u6cd5\u7684\u63a5\u53e3\u3002<\/li>\n<li><strong>\u5b9e\u73b0 lambda \u8868\u8fbe\u5f0f\uff1a<\/strong>\u7f16\u5199\u4e00\u4e2a\u5b9e\u73b0\u51fd\u6570\u5f0f\u63a5\u53e3\u65b9\u6cd5\u7684 lambda \u8868\u8fbe\u5f0f\u3002<\/li>\n<li><strong>\u521b\u5efa\u6d41\uff1a<\/strong>\u521b\u5efa\u8981\u5e76\u884c\u5904\u7406\u7684\u6570\u636e\u6d41\u3002<\/li>\n<li><strong>\u5e94\u7528\u6620\u5c04\u6216\u5176\u4ed6\u64cd\u4f5c\uff1a<\/strong>\u4f7f\u7528\u6620\u5c04\u3001\u7b5b\u9009\u6216\u5176\u4ed6\u64cd\u4f5c\uff08\u5e26\u6709 lambda \u8868\u8fbe\u5f0f\uff09\u8f6c\u6362\u6d41\u3002<\/li>\n<li><strong>\u5e76\u884c\u6267\u884c\uff1a<\/strong>\u4f7f\u7528 <code>parallel()<\/code> \u65b9\u6cd5\u5e76\u884c\u6267\u884c\u6d41\u64cd\u4f5c\uff0c\u5982\u4ee5\u4e0b\u793a\u4f8b\u6240\u793a\uff1a<\/li>\n<\/ol>\n<pre>\/\/ \u5b9a\u4e49\u51fd\u6570\u5f0f\u63a5\u53e3\ninterface ExampleInterface {\n    int square(int x);\n}\n\n\/\/ \u521b\u5efa\u6d41\nStream&lt;Integer&gt; numbers = Stream.of(1, 2, 3, 4, 5);\n\n\/\/ \u5e94\u7528\u6620\u5c04\u64cd\u4f5c\u4ee5\u5e73\u65b9\u6bcf\u4e2a\u6570\u5b57\nStream&lt;Integer&gt; squaredNumbers = numbers.parallel()\n        .map(ExampleInterface::square);<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u60f3\u4f7f\u7528\u5e76\u884c\u7f16\u7a0b\u5e73\u65b9\u6570\u5b57\u6570\u7ec4\u3002<\/p>\n<pre>int[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u521b\u5efa\u51fd\u6570\u5f0f\u63a5\u53e3\ninterface SquareInterface {\n    int square(int x);\n}\n\n\/\/ \u521b\u5efa lambda \u8868\u8fbe\u5f0f\nSquareInterface square = x -&gt; x * x;\n\n\/\/ \u4f7f\u7528\u5e76\u884c\u6d41\u5e73\u65b9\u6570\u7ec4\nint[] squaredNumbers = IntStream.of(numbers)\n        .parallel()\n        .map(square)\n        .toArray();<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\u548c\u5e76\u884c\u6d41\u5904\u7406\uff0c\u6211\u4eec\u53ef\u4ee5\u5927\u5e45\u63d0\u9ad8\u5e73\u65b9\u6570\u7ec4\u64cd\u4f5c\u7684\u901f\u5ea6\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u51fd\u6570\u5f0f\u63a5\u53e3\u5728Java\u5e76\u884c\u7f16\u7a0b\u4e2d\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-202931","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202931","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=202931"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202931\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}