{"id":72982,"date":"2024-02-21T15:07:36","date_gmt":"2024-02-21T07:07:36","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=72982"},"modified":"2024-02-21T15:07:52","modified_gmt":"2024-02-21T07:07:52","slug":"java-%e4%b8%ad%e7%9a%84%e5%b9%b6%e8%a1%8c%e6%b5%81%e6%98%af%e5%a6%82%e4%bd%95%e5%b7%a5%e4%bd%9c%e7%9a%84%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/72982.html","title":{"rendered":"Java \u4e2d\u7684\u5e76\u884c\u6d41\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f"},"content":{"rendered":"

\"Java<\/p>\n

Java \u4e2d\u7684\u5e76\u884c\u6d41\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/strong><\/p>\n

\u5728Java\u4e2d\uff0c\u5e76\u884c\u6d41<\/strong>\u5229\u7528\u591a\u6838\u67b6\u6784\u6765\u63d0\u9ad8\u6570\u636e\u5904\u7406\u901f\u5ea6\u3001\u589e\u5f3a\u6027\u80fd\u3001\u7b80\u5316\u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u590d\u6742\u6027\u3002\u6838\u5fc3\u6982\u5ff5\u5305\u62ec\u4efb\u52a1\u5206\u5272<\/strong>\u3001\u5de5\u4f5c\u7a83\u53d6\u7b97\u6cd5<\/strong>\u3001\u5e76\u53d1\u6846\u67b6<\/strong>\u3002\u7279\u522b\u5730\uff0c\u5de5\u4f5c\u7a83\u53d6\u7b97\u6cd5\u662f\u5e76\u884c\u6d41\u80cc\u540e\u7684\u5173\u952e\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u7a7a\u95f2\u7684\u7ebf\u7a0b\u52a8\u6001\u5730\u4ece\u5fd9\u788c\u7ebf\u7a0b\u90a3\u91cc\u7a83\u53d6\u4efb\u52a1\u6765\u6267\u884c\uff0c\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5229\u7528CPU\u8d44\u6e90\uff0c\u51cf\u5c11\u95f2\u7f6e\u65f6\u95f4\uff0c\u4ece\u800c\u63d0\u5347\u6574\u4f53\u7684\u5904\u7406\u901f\u5ea6\u548c\u6548\u7387\u3002<\/p>\n

—<\/p>\n

\u4e00\u3001\u5e76\u884c\u6d41\u7684\u57fa\u7840<\/strong><\/p>\n

\u5e76\u884c\u6d41\u5728Java\u4e2d\u662f\u901a\u8fc7Fork\/Join\u6846\u67b6<\/strong>\u5b9e\u73b0\u7684\uff0c\u8fd9\u662f\u4e00\u79cd\u7528\u4e8e\u5e76\u884c\u6267\u884c\u4efb\u52a1\u7684\u6846\u67b6\uff0c\u65e8\u5728\u5145\u5206\u5229\u7528\u591a\u6838\u5904\u7406\u5668\u7684\u80fd\u529b\u3002\u5b83\u901a\u8fc7\u9012\u5f52\u5730\u5c06\u4efb\u52a1\u5206\u89e3\u6210\u66f4\u5c0f\u7684\u4efb\u52a1\uff0c\u76f4\u5230\u4efb\u52a1\u8db3\u591f\u5c0f\uff0c\u53ef\u4ee5\u987a\u5e8f\u6267\u884c\u4e3a\u6b62\u3002<\/p>\n

\u4efb\u52a1\u5206\u5272\uff1a<\/strong> \u7b2c\u4e00\u6b65\u662f\u5c06\u5927\u4efb\u52a1\u5206\u5272\u6210\u5c0f\u4efb\u52a1\u3002\u5e76\u884c\u6d41\u901a\u8fc7\u9012\u5f52\u5206\u89e3\u7684\u65b9\u5f0f\uff0c\u5c06\u5927\u578b\u96c6\u5408\u64cd\u4f5c\u4efb\u52a1\u5206\u5272\u6210\u591a\u4e2a\u5c0f\u4efb\u52a1\uff0c\u6bcf\u4e2a\u4efb\u52a1\u90fd\u53ef\u4ee5\u5e76\u884c\u5904\u7406\u3002<\/p>\n

\u5de5\u4f5c\u7a83\u53d6\u7b97\u6cd5\uff1a<\/strong> \u5728\u4efb\u52a1\u6267\u884c\u9636\u6bb5\uff0cFork\/Join\u6846\u67b6\u91c7\u7528\u5de5\u4f5c\u7a83\u53d6\u7b97\u6cd5\u6765\u4f18\u5316\u4efb\u52a1\u7684\u6267\u884c\u3002\u5f53\u6267\u884c\u7ebf\u7a0b\u5b8c\u6210\u81ea\u5df1\u7684\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u6240\u6709\u4efb\u52a1\u540e\uff0c\u5b83\u53ef\u4ee5\u4ece\u5176\u4ed6\u7ebf\u7a0b\u7684\u4efb\u52a1\u961f\u5217\u4e2d\u7a83\u53d6\u4efb\u52a1\u6765\u6267\u884c\u3002\u8fd9\u79cd\u52a8\u6001\u91cd\u65b0\u5206\u914d\u4efb\u52a1\u7684\u673a\u5236\uff0c\u786e\u4fdd\u4e86\u6240\u6709\u5904\u7406\u5668\u6838\u5fc3\u7684\u9ad8\u6548\u5229\u7528\uff0c\u907f\u514d\u4e86\u67d0\u4e9b\u6838\u5fc3\u7a7a\u95f2\u800c\u5176\u4ed6\u6838\u5fc3\u8fc7\u8f7d\u7684\u60c5\u51b5\u3002<\/p>\n

\u4e8c\u3001\u5e76\u884c\u6d41\u7684\u4f7f\u7528\u573a\u666f\u4e0e\u4f18\u52bf<\/strong><\/p>\n

\u5e76\u884c\u6d41\u6700\u9002\u5408\u4e8e\u90a3\u4e9b\u53ef\u4ee5\u88ab\u5206\u89e3\u4e3a\u591a\u4e2a\u72ec\u7acb\u5b50\u4efb\u52a1\u7684\u5927\u6570\u636e\u91cf\u5904\u7406\u573a\u666f\u3002\u5f53\u9762\u5bf9\u5927\u578b\u96c6\u5408\u7684\u590d\u6742\u5904\u7406\u64cd\u4f5c\u65f6\uff0c\u5982\u5927\u6570\u636e\u5206\u6790\u3001\u56fe\u50cf\u5904\u7406\u6216\u4efb\u4f55\u9700\u8981\u5927\u91cf\u8ba1\u7b97\u7684\u573a\u666f\uff0c\u4f7f\u7528\u5e76\u884c\u6d41\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n

\u6027\u80fd\u63d0\u5347\uff1a<\/strong> \u5e76\u884c\u6d41\u901a\u8fc7\u591a\u6838\u5904\u7406\u5668\u5e76\u884c\u6267\u884c\u4efb\u52a1\uff0c\u76f8\u6bd4\u4e8e\u987a\u5e8f\u6d41\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u5904\u7406\u65f6\u95f4\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u65f6\u3002<\/p>\n

\u7b80\u5316\u7f16\u7a0b\u6a21\u578b\uff1a<\/strong> Java\u7684\u5e76\u884c\u6d41\u62bd\u8c61\u4e86\u591a\u7ebf\u7a0b\u7684\u590d\u6742\u6027\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u58f0\u660e\u5f0f\u7f16\u7a0b\u8f7b\u677e\u5b9e\u73b0\u5e76\u884c\u5904\u7406\uff0c\u65e0\u9700\u76f4\u63a5\u7ba1\u7406\u7ebf\u7a0b\u3002<\/p>\n

\u4e09\u3001\u5e76\u884c\u6d41\u7684\u5b9e\u73b0\u7ec6\u8282<\/strong><\/p>\n

\u5e76\u884c\u6d41\u7684\u5b9e\u73b0\u4f9d\u8d56\u4e8e\u51e0\u4e2a\u5173\u952e\u7ec4\u4ef6\uff0c\u5305\u62ecSpliterator<\/strong>\u3001Stream API<\/strong>\u3001Fork\/Join\u6846\u67b6<\/strong>\u3002<\/p>\n

Spliterator\uff1a<\/strong> Spliterators\u662fJava 8\u4e2d\u5f15\u5165\u7684\uff0c\u7528\u4e8e\u5e2e\u52a9\u6846\u67b6\u6709\u6548\u5730\u5206\u5272\u4efb\u52a1\u3002\u6bcf\u4e2aSpliterator\u90fd\u8d1f\u8d23\u904d\u5386\u548c\u5206\u5272\u5143\u7d20\uff0c\u4e3a\u5e76\u884c\u6267\u884c\u63d0\u4f9b\u57fa\u7840\u3002<\/p>\n

Stream API\uff1a<\/strong> Stream API\u63d0\u4f9b\u4e86\u4e00\u5957\u9ad8\u7ea7\u62bd\u8c61\uff0c\u4f7f\u5f97\u5e76\u884c\u64cd\u4f5c\u53d8\u5f97\u7b80\u5355\u3002\u901a\u8fc7\u5c06\u6570\u636e\u6e90\u8f6c\u6362\u4e3a\u6d41\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5229\u7528filter\u3001map\u3001reduce\u7b49\u64cd\u4f5c\u4ee5\u58f0\u660e\u5f0f\u7684\u65b9\u5f0f\u5904\u7406\u6570\u636e\u3002<\/p>\n

\u56db\u3001\u6ce8\u610f\u4e8b\u9879\u4e0e\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n

\u867d\u7136\u5e76\u884c\u6d41\u5f3a\u5927\u4e14\u6613\u4e8e\u4f7f\u7528\uff0c\u4f46\u5e76\u4e0d\u662f\u6240\u6709\u60c5\u51b5\u4e0b\u90fd\u9002\u5408\u3002\u5728\u4f7f\u7528\u5e76\u884c\u6d41\u4e4b\u524d\uff0c\u8003\u8651\u4ee5\u4e0b\u51e0\u70b9\u662f\u975e\u5e38\u91cd\u8981\u7684\uff1a<\/p>\n

\u4efb\u52a1\u7684\u72ec\u7acb\u6027\uff1a<\/strong> \u5e76\u884c\u5904\u7406\u7684\u4efb\u52a1\u5e94\u8be5\u662f\u72ec\u7acb\u7684\uff0c\u4ee5\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u6216\u4e0d\u4e00\u81f4\u7684\u7ed3\u679c\u3002<\/p>\n

\u6570\u636e\u91cf\u4e0e\u5904\u7406\u65f6\u95f4\uff1a<\/strong> \u5e76\u884c\u6d41\u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u6216\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\u65f6\u8868\u73b0\u6700\u4f73\u3002\u5bf9\u4e8e\u5c0f\u6570\u636e\u96c6\u6216\u7b80\u5355\u4efb\u52a1\uff0c\u4f20\u7edf\u7684\u987a\u5e8f\u6d41\u6216\u5176\u4ed6\u5e76\u884c\u6280\u672f\u53ef\u80fd\u66f4\u5408\u9002\u3002<\/p>\n

\u7cfb\u7edf\u8d44\u6e90\uff1a<\/strong> \u5e76\u884c\u6d41\u7684\u4f7f\u7528\u4f1a\u589e\u52a0\u5bf9\u7cfb\u7edf\u8d44\u6e90\u7684\u9700\u6c42\uff0c\u7279\u522b\u662fCPU\u548c\u5185\u5b58\u3002\u5728\u8d44\u6e90\u53d7\u9650\u7684\u73af\u5883\u4e2d\uff0c\u8fc7\u5ea6\u4f7f\u7528\u5e76\u884c\u6d41\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n

\u901a\u8fc7\u7406\u89e3\u5e76\u884c\u6d41\u7684\u5de5\u4f5c\u539f\u7406\u548c\u9002\u7528\u573a\u666f\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528Java\u7684\u5e76\u884c\u6d41\u6765\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u8bb0\u4f4f\uff0c\u5408\u7406\u5730\u4f7f\u7528\u5e76\u884c\u6d41\u662f\u63d0\u5347Java\u5e94\u7528\u6027\u80fd\u7684\u5173\u952e\u3002<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

\u4ec0\u4e48\u662fJava\u4e2d\u7684\u5e76\u884c\u6d41\uff1f<\/strong>
\nJava\u4e2d\u7684\u5e76\u884c\u6d41\u662f\u4e00\u79cd\u5e76\u884c\u5904\u7406\u6570\u636e\u96c6\u5408\u7684\u65b9\u5f0f\uff0c\u5b83\u901a\u8fc7\u5c06\u6570\u636e\u96c6\u5408\u5206\u6210\u82e5\u5e72\u5757\uff0c\u7136\u540e\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e0a\u540c\u65f6\u5904\u7406\u8fd9\u4e9b\u5757\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u5408\u5e76\u6765\u63d0\u9ad8\u5904\u7406\u901f\u5ea6\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528Java\u4e2d\u7684\u5e76\u884c\u6d41\uff1f<\/strong>
\n\u8981\u4f7f\u7528Java\u4e2d\u7684\u5e76\u884c\u6d41\uff0c\u53ef\u4ee5\u901a\u8fc7Stream API\u7684parallel()\u65b9\u6cd5\u5c06\u987a\u5e8f\u6d41\u8f6c\u6362\u4e3a\u5e76\u884c\u6d41\u3002\u63a5\u7740\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u4e2d\u95f4\u64cd\u4f5c\uff08\u5982filter\u3001map\u7b49\uff09\u6765\u5904\u7406\u6570\u636e\uff0c\u5728\u6700\u540e\u4f7f\u7528\u7ec8\u7aef\u64cd\u4f5c\uff08\u5982forEach\u3001collect\u7b49\uff09\u6765\u89e6\u53d1\u5e76\u884c\u5904\u7406\u3002<\/p>\n

Java\u4e2d\u7684\u5e76\u884c\u6d41\u6709\u4f55\u4f18\u52bf\uff1f<\/strong>
\nJava\u4e2d\u7684\u5e76\u884c\u6d41\u53ef\u4ee5\u5145\u5206\u5229\u7528\u591a\u6838\u5904\u7406\u5668\u7684\u4f18\u52bf\uff0c\u63d0\u9ad8\u6570\u636e\u5904\u7406\u7684\u901f\u5ea6\u3002\u4e0e\u4f20\u7edf\u7684\u5355\u7ebf\u7a0b\u5904\u7406\u65b9\u5f0f\u76f8\u6bd4\uff0c\u4f7f\u7528\u5e76\u884c\u6d41\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u5904\u7406\u5927\u6570\u636e\u96c6\u65f6\u7684\u65f6\u95f4\u6d88\u8017\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\u3002\u540c\u65f6\uff0c\u5e76\u884c\u6d41\u7684\u4f7f\u7528\u4e5f\u7b80\u5316\u4e86\u7a0b\u5e8f\u5458\u7f16\u5199\u5e76\u53d1\u7a0b\u5e8f\u7684\u590d\u6742\u6027\uff0c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Java \u4e2d\u7684\u5e76\u884c\u6d41\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f \u5728Java\u4e2d\uff0c\u5e76\u884c\u6d41\u5229\u7528\u591a\u6838\u67b6\u6784\u6765\u63d0\u9ad8\u6570\u636e\u5904\u7406\u901f\u5ea6\u3001\u589e\u5f3a\u6027\u80fd\u3001\u7b80\u5316\u591a\u7ebf\u7a0b\u7f16 […]","protected":false},"author":1,"featured_media":72985,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/72982"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=72982"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/72982\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/72985"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=72982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=72982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=72982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}