{"id":202846,"date":"2025-05-22T08:50:05","date_gmt":"2025-05-22T00:50:05","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202846\/"},"modified":"2025-05-22T08:50:05","modified_gmt":"2025-05-22T00:50:05","slug":"%e6%8e%a2%e7%a9%b6java%e5%87%bd%e6%95%b0%e5%bc%8f%e7%bc%96%e7%a8%8b%e7%9a%84%e4%bc%98%e7%82%b9%e4%b8%8e%e4%b8%8d%e8%b6%b3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202846\/","title":{"rendered":"\u63a2\u7a76Java\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4f18\u70b9\u4e0e\u4e0d\u8db3"},"content":{"rendered":"

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

\u63a2\u7a76Java\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4f18\u70b9\u4e0e\u4e0d\u8db3<\/h1>\n

\u5728\u6587\u7ae0\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u5c31\u6574\u7406\u5206\u4eab\u300a\u63a2\u7a76Java\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4f18\u70b9\u4e0e\u4e0d\u8db3\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4f18\u7f3a\u70b9\uff1a\u4f18\u70b9\uff1a\u7b80\u6d01\u6027\uff1a\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\u3002\u5e76\u53d1\u6027\uff1a\u6d88\u9664\u591a\u7ebf\u7a0b\u5171\u4eab\u53d8\u91cf\u95ee\u9898\u3002\u53ef\u6d4b\u8bd5\u6027\uff1a\u65e0\u72b6\u6001\u7a0b\u5e8f\u6613\u4e8e\u6d4b\u8bd5\u3002\u4ee3\u7801\u91cd\u7528\uff1a\u51cf\u5c11\u4ee3\u7801\u91cd\u590d\u3002\u7f3a\u70b9\uff1a\u6027\u80fd\uff1a\u5927\u91cf\u51fd\u6570\u8c03\u7528\u53ef\u80fd\u4f1a\u5f71\u54cd\u6027\u80fd\u3002\u5b66\u4e60\u66f2\u7ebf\uff1aLambda \u8868\u8fbe\u5f0f\u548c\u6d41 API \u8f83\u96be\u7406\u89e3\u3002\u8c03\u8bd5\u56f0\u96be\uff1a\u957f\u7684\u8c03\u7528\u6808\u4f1a\u5e26\u6765\u6311\u6218\u3002<\/p>\n

<\/p>\n

\u63a2\u7a76 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4f18\u70b9\u4e0e\u4e0d\u8db3<\/h2>\n

\u7b80\u4ecb<\/strong><\/p>\n

\u51fd\u6570\u5f0f\u7f16\u7a0b\u662f\u4e00\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u5b83\u5f3a\u8c03\u4f7f\u7528\u4e0d\u53ef\u53d8\u503c\u548c\u51fd\u6570\u4f5c\u4e3a\u4e00\u7b49\u516c\u6c11\u3002\u5728 Java \u4e2d\u5b9e\u73b0\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4e3b\u8981\u65b9\u6cd5\u662f\u4f7f\u7528 Lambda \u8868\u8fbe\u5f0f\u548c\u6d41 API\u3002<\/p>\n

\u4f18\u70b9<\/strong><\/p>\n

    \n
  • \u7b80\u6d01\u6027\uff1a<\/strong>\u901a\u8fc7\u5c06\u590d\u6742\u903b\u8f91\u5206\u89e3\u6210\u66f4\u5c0f\u7684\u51fd\u6570\uff0c\u51fd\u6570\u5f0f\u7f16\u7a0b\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u7b80\u6d01\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/li>\n
  • \u5e76\u53d1\u6027\uff1a<\/strong>\u51fd\u6570\u5f0f\u7f16\u7a0b\u4f7f\u7528\u4e0d\u53ef\u53d8\u503c\uff0c\u8fd9\u6d88\u9664\u4e86\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\u5e38\u89c1\u7684\u5171\u4eab\u53d8\u91cf\u95ee\u9898\uff0c\u63d0\u9ad8\u4e86\u5e76\u53d1\u6027\u3002<\/li>\n
  • \u53ef\u6d4b\u8bd5\u6027\uff1a<\/strong>\u51fd\u6570\u5f0f\u7a0b\u5e8f\u901a\u5e38\u662f\u65e0\u72b6\u6001\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u66f4\u6613\u4e8e\u6d4b\u8bd5\u548c\u7ef4\u62a4\u3002<\/li>\n
  • \u4ee3\u7801\u91cd\u7528\uff1a<\/strong>\u51fd\u6570\u5f0f\u7f16\u7a0b\u9f13\u52b1\u51fd\u6570\u7684\u91cd\u7528\uff0c\u51cf\u5c11\u4e86\u4ee3\u7801\u91cd\u590d\u5e76\u63d0\u9ad8\u4e86\u5f00\u53d1\u901f\u5ea6\u3002<\/li>\n<\/ul>\n

    \u4e0d\u8db3<\/strong><\/p>\n

      \n
    • \u6027\u80fd\uff1a<\/strong>\u51fd\u6570\u5f0f\u7f16\u7a0b\u4e2d\u5927\u91cf\u7684\u51fd\u6570\u8c03\u7528\u6709\u65f6\u4f1a\u5f71\u54cd\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\u3002<\/li>\n
    • \u5b66\u4e60\u66f2\u7ebf\uff1a<\/strong>\u5bf9\u4e8e\u4e0d\u719f\u6089\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4eba\u6765\u8bf4\uff0cLambda \u8868\u8fbe\u5f0f\u548c\u6d41 API \u7684\u5b66\u4e60\u66f2\u7ebf\u53ef\u80fd\u6bd4\u8f83\u9661\u5ced\u3002<\/li>\n
    • \u8c03\u8bd5\u56f0\u96be\uff1a<\/strong>\u51fd\u6570\u5f0f\u7a0b\u5e8f\u7684\u8c03\u7528\u6808\u53ef\u80fd\u8f83\u957f\u4e14\u590d\u6742\uff0c\u8fd9\u53ef\u80fd\u4f1a\u7ed9\u8c03\u8bd5\u5e26\u6765\u6311\u6218\u3002<\/li>\n<\/ul>\n

      \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n

      \u8003\u8651\u4ee5\u4e0b\u4f7f\u7528 Java \u51fd\u6570\u5f0f\u7f16\u7a0b\u8ba1\u7b97\u67d0\u4e2a\u5217\u8868\u4e2d\u5143\u7d20\u5e73\u65b9\u6839\u7684\u4efb\u52a1\uff1a<\/p>\n

      import java.util.Arrays;\nimport java.util.List;\nimport java.util.stream.Collectors;\n\nclass Main {\n    public static void main(String[] args) {\n        \/\/ \u521b\u5efa\u539f\u59cb\u5217\u8868\n        List<Integer> numbers = Arrays.asList(1, 4, 9, 16, 25);\n\n        \/\/ \u4f7f\u7528\u6d41\u548c\u6620\u5c04\u51fd\u6570\u8ba1\u7b97\u5e73\u65b9\u6839\n        List<Double>\u5e73\u65b9\u6839s = numbers.stream()\n            .map(Math::sqrt)\n            .collect(Collectors.toList());\n\n        \/\/ \u6253\u5370\u5e73\u65b9\u6839\n        System.out.println(\u5e73\u65b9\u6839s);\n    }\n}<\/pre>\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570\u5f0f\u7f16\u7a0b\u7528\u4e8e\u7b80\u6d01\u5730\u8868\u793a\u8ba1\u7b97\u5e73\u65b9\u6839\u7684\u903b\u8f91\uff0c\u800c\u4e0d\u9700\u8981\u663e\u5f0f\u5faa\u73af\u6216\u8fed\u4ee3\u53d8\u91cf\u3002<\/p>\n
      \u7ed3\u8bba<\/strong><\/p>\n
      \u5c3d\u7ba1 Java \u4e2d\u7684\u51fd\u6570\u5f0f\u7f16\u7a0b\u6709\u5f88\u591a\u4f18\u70b9\uff0c\u4f46\u5b83\u4e5f\u6709\u5176\u5c40\u9650\u6027\u3002\u5728\u51b3\u5b9a\u4f55\u65f6\u4f7f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b\u65f6\uff0c\u6743\u8861\u4f18\u70b9\u548c\u7f3a\u70b9\u81f3\u5173\u91cd\u8981\u3002\u5bf9\u4e8e\u9700\u8981\u7b80\u6d01\u6027\u3001\u5e76\u53d1\u6027\u548c\u53ef\u6d4b\u8bd5\u6027\u7684\u5e94\u7528\u7a0b\u5e8f\u800c\u8a00\uff0c\u51fd\u6570\u5f0f\u7f16\u7a0b\u53ef\u80fd\u662f\u7406\u60f3\u7684\u9009\u62e9\u3002<\/p>\n
      \u4eca\u5929\u5173\u4e8e\u300a\u63a2\u7a76Java\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4f18\u70b9\u4e0e\u4e0d\u8db3\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u63a2\u7a76Java\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4f18\u70b9\u4e0e\u4e0d...<\/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-202846","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202846","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=202846"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202846\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}