{"id":203041,"date":"2025-05-22T11:49:55","date_gmt":"2025-05-22T03:49:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203041\/"},"modified":"2025-05-22T11:49:55","modified_gmt":"2025-05-22T03:49:55","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8-java-%e5%87%bd%e6%95%b0%e5%bc%8f%e7%bc%96%e7%a8%8b%e5%a4%84%e7%90%86%e5%b9%b6%e5%8f%91%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203041\/","title":{"rendered":"\u5982\u4f55\u5229\u7528 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u5904\u7406\u5e76\u53d1\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u5229\u7528 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u5904\u7406\u5e76\u53d1\uff1f<\/h1>\n

\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300a\u5982\u4f55\u5229\u7528 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u5904\u7406\u5e76\u53d1\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n

\u4f7f\u7528 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u5904\u7406\u5e76\u53d1\u7684\u65b9\u6cd5\uff1a\u521b\u5efa\u5e76\u884c\u6d41\uff1a\u4f7f\u7528 Stream API \u7684 parallel() \u65b9\u6cd5\u521b\u5efa\u5e76\u884c\u6d41\u3002\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\uff1a\u5b9a\u4e49\u4ec5\u5305\u542b\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u7684\u51fd\u6570\u5f0f\u63a5\u53e3\uff0c\u4ee5\u8868\u793a\u8981\u6267\u884c\u7684\u5e76\u884c\u4efb\u52a1\u3002\u521b\u5efa\u5e76\u884c\u4efb\u52a1\uff1a\u6839\u636e\u51fd\u6570\u5f0f\u63a5\u53e3\u521b\u5efa\u5e76\u884c\u4efb\u52a1\u3002\u5728\u5e76\u884c\u6d41\u4e2d\u8c03\u7528\u4efb\u52a1\uff1a\u5728\u5e76\u884c\u6d41\u4e2d\u8c03\u7528\u5df2\u521b\u5efa\u7684\u5e76\u884c\u4efb\u52a1\u3002<\/p>\n

<\/p>\n

\u5982\u4f55\u5229\u7528 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u5904\u7406\u5e76\u53d1<\/strong><\/p>\n

\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\u56e0\u5176\u5904\u7406\u5e76\u53d1\u7684\u80fd\u529b\u800c\u5907\u53d7\u63a8\u5d07\uff0cJava \u8bed\u8a00\u4e2d\u4e5f\u63d0\u4f9b\u4e86\u5bf9\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u652f\u6301\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5229\u7528 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u7279\u6027\u6765\u7b80\u5316\u5e76\u884c\u5904\u7406\u4efb\u52a1\u3002<\/p>\n

\u521b\u5efa\u5e76\u884c\u6d41<\/strong><\/p>\n

Java Stream API \u63d0\u4f9b\u4e86 parallel()<\/code> \u65b9\u6cd5\uff0c\u53ef\u521b\u5efa\u5e76\u884c\u6d41\u3002\u8fd9\u5141\u8bb8\u60a8\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e0a\u5e76\u884c\u5904\u7406\u6d41\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n

Stream<Integer> numbers = Stream.of(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);\nnumbers.parallel().forEach(System.out::println);<\/pre>\n
\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3<\/strong><\/p>\n
\u51fd\u6570\u5f0f\u63a5\u53e3\uff08Functional Interface\uff09\u4ec5\u5305\u542b\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u3002\u5728\u5e76\u53d1\u5904\u7406\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\u5b9a\u4e49\u8981\u5e76\u884c\u6267\u884c\u7684\u4efb\u52a1\u3002<\/p>\n
@FunctionalInterface\ninterface Task {\n    void execute();\n}<\/pre>\n
\u521b\u5efa\u5e76\u884c\u4efb\u52a1<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u4e0a\u8ff0\u51fd\u6570\u5f0f\u63a5\u53e3\u521b\u5efa\u5e76\u884c\u4efb\u52a1\uff0c\u7136\u540e\u5728\u5e76\u884c\u6d41\u4e2d\u8c03\u7528\u8fd9\u4e9b\u4efb\u52a1\u3002<\/p>\n
List<Task> tasks = new ArrayList<>();\nfor (int i = 0; i < 10; i++) {\n    tasks.add(() -> {\n        System.out.println(\"Task \" + i + \" executed in thread \" + Thread.currentThread().getName());\n    });\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u5904\u7406\u5e76\u53d1\u4efb\u52a1\u7684\u5b9e\u6218\u6848\u4f8b\uff1a<\/p>\n
public class Main {\n    public static void main(String[] args) {\n        List<Integer> numbers = Stream.of(1, 2, 3, 4, 5, 6, 7, 8, 9, 10).toList();\n\n        \/\/ \u4f7f\u7528\u5e76\u884c\u6d41\u6c42\u548c\n        int sum = numbers.parallelStream().reduce(0, Integer::sum);\n\n        \/\/ \u4f7f\u7528\u5e76\u884c\u6d41\u67e5\u627e\u6700\u5927\u503c\n        int max = numbers.parallelStream().reduce(Integer.MIN_VALUE, Math::max);\n\n        System.out.println(\"Sum: \" + sum);\n        System.out.println(\"Max: \" + max);\n    }\n}<\/pre>\n
\u5728\u8be5\u6848\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5e76\u884c\u6d41\u6267\u884c\u6c42\u548c\u548c\u67e5\u627e\u6700\u5927\u503c\u7684\u64cd\u4f5c\uff0c\u63d0\u9ad8\u4e86\u7a0b\u5e8f\u6027\u80fd\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u5229\u7528 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u5904\u7406\u5e76\u53d1\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5229\u7528 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u5904...<\/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-203041","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203041","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=203041"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203041\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}