{"id":202942,"date":"2025-05-22T08:56:40","date_gmt":"2025-05-22T00:56:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202942\/"},"modified":"2025-05-22T08:56:40","modified_gmt":"2025-05-22T00:56:40","slug":"lambda%e8%a1%a8%e8%be%be%e5%bc%8f%e5%9c%a8java%e4%b8%ad%e5%88%9b%e5%bb%ba%e5%87%bd%e6%95%b0%e7%9a%84%e6%9c%ba%e5%88%b6%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202942\/","title":{"rendered":"Lambda\u8868\u8fbe\u5f0f\u5728Java\u4e2d\u521b\u5efa\u51fd\u6570\u7684\u673a\u5236\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

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

Lambda\u8868\u8fbe\u5f0f\u5728Java\u4e2d\u521b\u5efa\u51fd\u6570\u7684\u673a\u5236\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u6765\u5230\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aLambda\u8868\u8fbe\u5f0f\u5728Java\u4e2d\u521b\u5efa\u51fd\u6570\u7684\u673a\u5236\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

<\/p>\n

Lambda \u8868\u8fbe\u5f0f\uff1a\u5728 Java \u4e2d\u521b\u5efa\u51fd\u6570\u7684\u7b80\u6d01\u65b9\u5f0f<\/strong><\/p>\n

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

Lambda \u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u533f\u540d\u51fd\u6570\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u5728 Java \u4e2d\u521b\u5efa\u51fd\u6570\uff0c\u800c\u65e0\u9700\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6216\u65b9\u6cd5\u3002\u5b83\u4f7f\u7528\u7b80\u6d01\u7684\u8bed\u6cd5\uff0c\u53ef\u4ee5\u5927\u5927\u7b80\u5316\u4ee3\u7801\u5e76\u589e\u5f3a\u53ef\u8bfb\u6027\u3002<\/p>\n

\u8bed\u6cd5<\/strong><\/p>\n

Lambda \u8868\u8fbe\u5f0f\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

(\u53c2\u6570\u5217\u8868) -> \u8868\u8fbe\u5f0f<\/pre>\n
    \n
  • \u53c2\u6570\u5217\u8868\uff1a<\/strong>\u51fd\u6570\u7684\u53c2\u6570\u3002<\/li>\n
  • \u8868\u8fbe\u5f0f\uff1a<\/strong>\u51fd\u6570\u8fd4\u56de\u7684\u503c\u3002<\/li>\n<\/ul>\n
    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
    \u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\u6765\u7406\u89e3 Lambda \u8868\u8fbe\u5f0f\uff1a<\/p>\n
    \/\/ \u4f20\u7edf\u65b9\u6cd5\uff1a\u4f7f\u7528\u533f\u540d\u5185\u90e8\u7c7b\u521b\u5efa\u51fd\u6570\nComparator<Integer> comparator = new Comparator<Integer>() {\n    @Override\n    public int compare(Integer o1, Integer o2) {\n        return o1 - o2;\n    }\n};\n\n\/\/ \u4f7f\u7528 Lambda \u8868\u8fbe\u5f0f\u521b\u5efa\u51fd\u6570\nComparator<Integer> lambdaComparator = (o1, o2) -> o1 - o2;<\/pre>\n
    \u5982\u60a8\u6240\u89c1\uff0cLambda \u8868\u8fbe\u5f0f\u6bd4\u533f\u540d\u5185\u90e8\u7c7b\u7b80\u6d01\u5f97\u591a\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u4f7f\u7528\u66f4\u5c11\u7684\u6837\u677f\u4ee3\u7801\u7f16\u5199\u51fd\u6570\u3002<\/p>\n
    \u4f18\u70b9<\/strong><\/p>\n
    \u4f7f\u7528 Lambda \u8868\u8fbe\u5f0f\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n
      \n
    • \u4ee3\u7801\u7b80\u6d01\uff1a<\/strong>Lambda \u8868\u8fbe\u5f0f\u6d88\u9664\u4e86\u521b\u5efa\u533f\u540d\u5185\u90e8\u7c7b\u7684\u9700\u8981\uff0c\u4ece\u800c\u7b80\u5316\u4e86\u4ee3\u7801\u3002<\/li>\n
    • \u589e\u5f3a\u53ef\u8bfb\u6027\uff1a<\/strong>Lambda \u8868\u8fbe\u5f0f\u4f7f\u7528\u76f4\u89c2\u7684\u8bed\u6cd5\uff0c\u4f7f\u5176\u4ee3\u7801\u66f4\u6613\u4e8e\u7406\u89e3\u3002<\/li>\n
    • \u7075\u6d3b\u6027\uff1a<\/strong>Lambda \u8868\u8fbe\u5f0f\u53ef\u4ee5\u5728\u5404\u79cd\u573a\u666f\u4e2d\u4f7f\u7528\uff0c\u4f8b\u5982\u4e8b\u4ef6\u5904\u7406\u3001\u6570\u636e\u5904\u7406\u548c\u51fd\u6570\u5f0f\u7f16\u7a0b\u3002<\/li>\n<\/ul>\n
      \u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
      \u5728\u4f7f\u7528 Lambda \u8868\u8fbe\u5f0f\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n
        \n
      • \u7c7b\u578b\u63a8\u65ad\uff1a<\/strong>Lambda \u8868\u8fbe\u5f0f\u4f7f\u7528\u7c7b\u578b\u63a8\u65ad\u6765\u786e\u5b9a\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/li>\n
      • \u53d8\u91cf\u6355\u83b7\uff1a<\/strong>Lambda \u8868\u8fbe\u5f0f\u53ef\u4ee5\u6355\u83b7\u5916\u90e8\u53d8\u91cf\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5e76\u53d1\u95ee\u9898\u3002<\/li>\n
      • \u51fd\u6570\u5f0f\u63a5\u53e3\uff1a<\/strong>Lambda \u8868\u8fbe\u5f0f\u4ec5\u9002\u7528\u4e8e\u51fd\u6570\u5f0f\u63a5\u53e3\uff0c\u5373\u53ea\u6709\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u7684\u63a5\u53e3\u3002<\/li>\n<\/ul>\n
        \u672c\u7bc7\u5173\u4e8e\u300aLambda\u8868\u8fbe\u5f0f\u5728Java\u4e2d\u521b\u5efa\u51fd\u6570\u7684\u673a\u5236\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        Lambda\u8868\u8fbe\u5f0f\u5728Java\u4e2d\u521b...<\/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-202942","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202942","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=202942"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202942\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}