{"id":47869,"date":"2023-08-12T16:31:00","date_gmt":"2023-08-12T08:31:00","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=47869"},"modified":"2023-08-15T16:07:11","modified_gmt":"2023-08-15T08:07:11","slug":"java8%e5%bc%95%e5%85%a5lambda%e8%a1%a8%e8%be%be%e5%bc%8f%e7%9a%84%e5%88%a9%e5%bc%8a%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/47869.html","title":{"rendered":"Java8\u5f15\u5165Lambda\u8868\u8fbe\u5f0f\u7684\u5229\u5f0a\u662f\u4ec0\u4e48"},"content":{"rendered":"\n
\n

Java 8\u5f15\u5165Lambda\u8868\u8fbe\u5f0f\u7684\u5229\u5f0a\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a\u5229<\/strong>\u65b9\u9762\uff0c1\u3001\u4ee3\u7801\u7cbe\u7b80\uff1b2\u3001\u51fd\u6570\u5f0f\u7f16\u7a0b\u652f\u6301\uff1b3\u3001\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027\uff1b4\u3001\u5e76\u884c\u5904\u7406\u4f18\u5316\u3002\u5f0a<\/strong>\u65b9\u9762\uff0c1\u3001\u5b66\u4e60\u66f2\u7ebf\u95ee\u9898\uff1b2\u3001\u8c03\u8bd5\u590d\u6742\u6027\u589e\u52a0\uff1b3\u3001\u53ef\u80fd\u7684\u517c\u5bb9\u6027\u95ee\u9898\u3002\u5176\u4e2d\uff0c\u4ee3\u7801\u7cbe\u7b80\u662fLambda\u8868\u8fbe\u5f0f\u7684\u4e00\u9879\u663e\u8457\u4f18\u52bf\uff0c\u5b83\u5141\u8bb8\u5c06\u7b80\u5355\u7684\u51fd\u6570\u4f5c\u4e3a\u4e00\u7b49\u516c\u6c11\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u6613\u8bfb\u3002\u6b63\u6587\u4e2d\u4f1a\u5bf9\u8fd9\u4e9b\u5229\u5f0a\u8fdb\u884c\u66f4\u8be6\u7ec6\u7684\u9610\u8ff0\u3002<\/p>\n<\/blockquote>\n\n\n

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\"\"<\/figure><\/div>\n\n\n

\u4e00\u3001\u5229<\/strong><\/h2>\n\n\n\n

1\u3001 \u4ee3\u7801\u7cbe\u7b80<\/strong><\/p>\n\n\n\n

    \n
  • \u51cf\u5c11\u6837\u677f\u4ee3\u7801<\/strong>\uff1a\u901a\u8fc7Lambda\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u7528\u66f4\u5c11\u7684\u4ee3\u7801\u5b9e\u73b0\u76f8\u540c\u7684\u529f\u80fd\uff0c\u964d\u4f4e\u4e86\u5197\u4f59\u4ee3\u7801\u3002<\/li>\n\n\n\n
  • \u63d0\u9ad8\u5f00\u53d1\u6548\u7387<\/strong>\uff1a\u51cf\u5c11\u7684\u4ee3\u7801\u91cf\u4e5f\u610f\u5473\u7740\u51cf\u5c11\u4e86\u7f16\u7801\u3001\u7ef4\u62a4\u548c\u9519\u8bef\u6392\u67e5\u7684\u5de5\u4f5c\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n

    2\u3001 \u51fd\u6570\u5f0f\u7f16\u7a0b\u652f\u6301<\/strong><\/p>\n\n\n\n

      \n
    • \u5f15\u5165\u51fd\u6570\u5f0f\u601d\u7ef4<\/strong>\uff1aLambda\u8868\u8fbe\u5f0f\u4f7fJava 8\u5f00\u59cb\u652f\u6301\u4e00\u4e9b\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u5f0f\uff0c\u589e\u5f3a\u4e86\u7f16\u7a0b\u8868\u8fbe\u80fd\u529b\u3002<\/li>\n<\/ul>\n\n\n\n

      3\u3001 \u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027<\/strong><\/p>\n\n\n\n

        \n
      • \u8bed\u4e49\u660e\u786e<\/strong>\uff1aLambda\u8868\u8fbe\u5f0f\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u76f4\u89c2\u7684\u65b9\u5f0f\u6765\u8868\u793a\u4ee3\u7801\u903b\u8f91\uff0c\u4f7f\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<\/ul>\n\n\n\n

        4\u3001 \u5e76\u884c\u5904\u7406\u4f18\u5316<\/strong><\/p>\n\n\n\n

          \n
        • \u6d41\u5f0f\u5904\u7406<\/strong>\uff1a\u4e0eJava 8\u5f15\u5165\u7684Streams API\u7ed3\u5408\uff0cLambda\u8868\u8fbe\u5f0f\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u5904\u7406\u96c6\u5408\u5e76\u5b9e\u73b0\u5e76\u884c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n

          \u4e8c\u3001\u5f0a<\/strong><\/h2>\n\n\n\n

          1\u3001 \u5b66\u4e60\u66f2\u7ebf\u95ee\u9898<\/strong><\/p>\n\n\n\n

            \n
          • \u65b0\u6982\u5ff5<\/strong>\uff1a\u5bf9\u4e8e\u672a\u66fe\u63a5\u89e6\u8fc7\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u5f00\u53d1\u4eba\u5458\uff0cLambda\u8868\u8fbe\u5f0f\u53ef\u80fd\u589e\u52a0\u4e86\u5b66\u4e60\u7684\u96be\u5ea6\u548c\u6311\u6218\u3002<\/li>\n<\/ul>\n\n\n\n

            2\u3001 \u8c03\u8bd5\u590d\u6742\u6027\u589e\u52a0<\/strong><\/p>\n\n\n\n

              \n
            • \u8c03\u8bd5\u56f0\u96be<\/strong>\uff1aLambda\u8868\u8fbe\u5f0f\u53ef\u80fd\u4f7f\u8c03\u8bd5\u53d8\u5f97\u590d\u6742\uff0c\u56e0\u4e3a\u5b83\u4eec\u901a\u5e38\u66f4\u96be\u4ee5\u8ffd\u8e2a\u548c\u7406\u89e3\u3002<\/li>\n<\/ul>\n\n\n\n

              3\u3001 \u53ef\u80fd\u7684\u517c\u5bb9\u6027\u95ee\u9898<\/strong><\/p>\n\n\n\n

                \n
              • \u7248\u672c\u517c\u5bb9\u6027<\/strong>\uff1aLambda\u8868\u8fbe\u5f0f\u7684\u5f15\u5165\u53ef\u80fd\u5bfc\u81f4\u4e0e\u65e7\u7248\u672cJava\u7684\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n
                \n\n\n\n

                \u5e38\u89c1\u95ee\u7b54<\/strong><\/h2>\n\n\n\n
                  \n
                1. Q: Lambda\u8868\u8fbe\u5f0f\u662f\u5426\u5f71\u54cdJava\u7684\u6027\u80fd\uff1f<\/strong> A: Lambda\u8868\u8fbe\u5f0f\u901a\u5e38\u4e0d\u4f1a\u5bf9\u6027\u80fd\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\uff0c\u4e0e\u5e38\u89c4\u533f\u540d\u5185\u90e8\u7c7b\u7684\u6267\u884c\u6027\u80fd\u76f8\u5f53\u3002<\/li>\n\n\n\n
                2. Q: Lambda\u8868\u8fbe\u5f0f\u5728\u54ea\u4e9b\u573a\u666f\u4e0b\u6700\u6709\u6548\uff1f<\/strong> A: Lambda\u8868\u8fbe\u5f0f\u7279\u522b\u9002\u7528\u4e8e\u7b80\u5316\u90a3\u4e9b\u9700\u8981\u4f20\u9012\u51fd\u6570\u7684\u573a\u666f\uff0c\u4f8b\u5982\u96c6\u5408\u7684\u6d41\u5f0f\u5904\u7406\u3001\u4e8b\u4ef6\u5904\u7406\u7b49\u3002<\/li>\n\n\n\n
                3. Q: Lambda\u8868\u8fbe\u5f0f\u662f\u5426\u53ef\u4ee5\u66ff\u4ee3\u6240\u6709\u533f\u540d\u5185\u90e8\u7c7b\uff1f<\/strong> A: \u4e0d\u53ef\u4ee5\u3002Lambda\u8868\u8fbe\u5f0f\u4e3b\u8981\u7528\u4e8e\u8868\u793a\u53ea\u6709\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u7684\u63a5\u53e3\uff0c\u4e0d\u80fd\u5b8c\u5168\u66ff\u4ee3\u6240\u6709\u533f\u540d\u5185\u90e8\u7c7b\u3002<\/li>\n\n\n\n
                4. Q: \u4f7f\u7528Lambda\u8868\u8fbe\u5f0f\u662f\u5426\u6709\u5b89\u5168\u9690\u60a3\uff1f<\/strong> A: Lambda\u8868\u8fbe\u5f0f\u672c\u8eab\u4e0d\u4f1a\u5f15\u5165\u5b89\u5168\u9690\u60a3\uff0c\u4e0e\u4f7f\u7528\u666e\u901a\u7c7b\u548c\u65b9\u6cd5\u7684\u5b89\u5168\u6027\u76f8\u540c\u3002<\/li>\n\n\n\n
                5. Q: Java 8\u4e2d\u7684Lambda\u8868\u8fbe\u5f0f\u4e0e\u5176\u4ed6\u8bed\u8a00\u7684Lambda\u6709\u4f55\u4e0d\u540c\uff1f<\/strong> A: Java\u7684Lambda\u8868\u8fbe\u5f0f\u4e0e\u8bb8\u591a\u5176\u4ed6\u8bed\u8a00\u7684\u5b9e\u73b0\u5728\u8bed\u6cd5\u548c\u7279\u6027\u4e0a\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u6838\u5fc3\u6982\u5ff5\u76f8\u4f3c\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"Java 8\u5f15\u5165Lambda\u8868\u8fbe\u5f0f\u7684\u5229\u5f0a\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a\u5229\u65b9\u9762\uff0c1\u3001\u4ee3\u7801\u7cbe\u7b80\uff1b2\u3001\u51fd\u6570\u5f0f\u7f16\u7a0b\u652f\u6301\uff1b3\u3001\u63d0\u9ad8\u4ee3 […]","protected":false},"author":6,"featured_media":47870,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[764,765,457],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/47869"}],"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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=47869"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/47869\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/47870"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=47869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=47869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=47869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}