{"id":31186,"date":"2022-12-29T06:21:04","date_gmt":"2023-09-16T07:23:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84lambda%e8%a1%a8%e8%be%be%e5%bc%8f\/"},"modified":"2025-08-12T22:44:23","modified_gmt":"2025-08-12T14:44:23","slug":"java%e7%9a%84lambda%e8%a1%a8%e8%be%be%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84lambda%e8%a1%a8%e8%be%be%e5%bc%8f\/","title":{"rendered":"Java\u7684Lambda\u8868\u8fbe\u5f0f"},"content":{"rendered":"

Java\u4e2d\u7684Lambda\u8868\u8fbe\u5f0f<\/h1>\n

\u4e3a\u4e86\u65b9\u4fbf\u5730\u521b\u5efa\u5b9e\u73b0\u4e86\u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u7c7b\u7684\u5b9e\u4f8b\uff0c\u8fd9\u662f\u4e00\u79cd\u8bed\u6cd5\u3002
\n\u6362\u53e5\u8bdd\u8bf4\uff0c\u8fd9\u662f\u4e00\u79cd\u540c\u65f6\u8fdb\u884c\u7c7b\u58f0\u660e\u548c\u5b9e\u4f8b\u751f\u6210\u7684\u8bed\u6cd5\u3002<\/p>\n

\u5728Java\u7684Lambda\u8868\u8fbe\u5f0f\u4e2d\uff0c\u4e0e\u4e4b\u76f8\u5173\u7684\u662f\u51fd\u6570\u5f0f\u63a5\u53e3\uff0c\u800c\u8fd9\u4e2a\u51fd\u6570\u5f0f\u63a5\u53e3\u53ea\u5305\u542b\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u3002<\/p>\n

\u91cd\u70b9\u5728\u4e8e\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\u3002<\/p>\n

\u4ece\u666e\u901a\u7684\u7c7b\u5230Lambda\u8868\u8fbe\u5f0f\u3002<\/h1>\n

 <\/p>\n

\u6211\u6839\u636e\u8fd9\u4e2a\u53c2\u8003\u5b66\u4e60\u4e86\u4e00\u4e0b\u3002<\/p>\n

\u7b2c\u4e00\u4e2a\u9636\u6bb5\uff08\u5185\u90e8\u7c7b\uff09<\/h2>\n
import<\/span> java.util.*<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> throws<\/span> Exception<\/span> {<\/span>\r\n        \r\n        class<\/span> ComparatorImpl<\/span> implements<\/span> Comparator<\/span><<\/span>String<\/span>><\/span> {<\/span>\r\n            public<\/span> int<\/span> compare<\/span>(<\/span>String<\/span> s1<\/span>,<\/span> String<\/span> s2<\/span>)<\/span> {<\/span>\r\n                return<\/span> s1<\/span>.<\/span>compareTo<\/span>(<\/span>s2<\/span>);<\/span>\r\n            }<\/span>\r\n        }<\/span>\r\n        \r\n        Comparator<\/span><<\/span>String<\/span>><\/span> c<\/span> =<\/span> new<\/span> ComparatorImpl<\/span>();<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>c<\/span>.<\/span>compare<\/span>(<\/span>\"ABC\"<\/span>,<\/span> \"DEF\"<\/span>));<\/span>\r\n    }<\/span>\r\n\r\n    \r\n}<\/span>\r\n<\/code><\/pre>\n
\u7b2c\u4e8c\u9636\u6bb5\uff08\u533f\u540d\u7c7b\uff09<\/h2>\n
import<\/span> java.util.*<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> throws<\/span> Exception<\/span> {<\/span>\r\n\r\n\/*        \r\n        class ComparatorImpl implements Comparator<String> {\r\n            public int compare(String s1, String s2) {\r\n                return s1.compareTo(s2);\r\n            }\r\n        }\r\n*\/<\/span>        \r\n        Comparator<\/span><<\/span>String<\/span>><\/span> c<\/span> =<\/span> new<\/span> Comparator<\/span><<\/span>String<\/span>>()<\/span> {<\/span>\r\n            public<\/span> int<\/span> compare<\/span>(<\/span>String<\/span> s1<\/span>,<\/span> String<\/span> s2<\/span>)<\/span> {<\/span>\r\n                return<\/span> s1<\/span>.<\/span>compareTo<\/span>(<\/span>s2<\/span>);<\/span>\r\n            }<\/span>\r\n        };<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>c<\/span>.<\/span>compare<\/span>(<\/span>\"ABC\"<\/span>,<\/span> \"DEF\"<\/span>));<\/span>\r\n    }<\/span>\r\n\r\n    \r\n}<\/span>\r\n<\/code><\/pre>\n
Comparator<\/span><<\/span>String<\/span>><\/span> c<\/span> =<\/span> new<\/span> ComparatorImpl<\/span>();<\/span>\r\n<\/code><\/pre>\n
\u53f3\u8fb9\u7684\u8868\u8fbe\u5f0f\u4e3a new Comparator()\uff0c\u5e76\u5728{}\u5185\u5199\u5165\u8868\u8fbe\u5f0f\u3002<\/p>\n
\u5b8c\u6210\u5f62\u7684Lambda\u8868\u8fbe\u5f0f<\/h2>\n
    \n
  1. \n
      \u5220\u9664\u53f3\u8fb9\u7684Comparator()\u3002<\/ol>\n<\/li>\n<\/ol>\n
       <\/p>\n
        \n
      1. \n
          \u5220\u9664\u62bd\u8c61\u65b9\u6cd5compare\u7684public int\u3002<\/ol>\n<\/li>\n<\/ol>\n
           <\/p>\n
            \n
          1. \n
              \u5220\u9664\u62bd\u8c61\u65b9\u6cd5compare\u3002<\/ol>\n<\/li>\n<\/ol>\n
               <\/p>\n
                \n
              1. \n
                  \u5220\u9664\u62bd\u8c61\u65b9\u6cd5\u53c2\u6570\u7c7b\u578bString\u3002<\/ol>\n<\/li>\n<\/ol>\n
                   <\/p>\n
                    \n
                  1. \n
                      \u5220\u9664\u62bd\u8c61\u65b9\u6cd5\u7684\u8fd4\u56de\u3002<\/ol>\n<\/li>\n<\/ol>\n
                       <\/p>\n
                        \n
                      1. \n
                          \u5220\u9664new Comparator()\u3002<\/ol>\n<\/li>\n<\/ol>\n
                           <\/p>\n
                            \u5220\u9664{\u548c}\uff0c\u5c06\u62bd\u8c61\u65b9\u6cd5\u7684\u53c2\u6570\u4e0e\u5904\u7406\u90e8\u5206\u7528->\u8fde\u63a5\u8d77\u6765\u3002<\/ol>\n
                            import<\/span> java.util.*<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> throws<\/span> Exception<\/span> {<\/span>\r\n        Comparator<\/span><<\/span>String<\/span>><\/span> c<\/span> =<\/span> (<\/span>s1<\/span>,<\/span> s2<\/span>)<\/span> -><\/span> s1<\/span>.<\/span>compareTo<\/span>(<\/span>s2<\/span>);<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>c<\/span>.<\/span>compare<\/span>(<\/span>\"ABC\"<\/span>,<\/span> \"DEF\"<\/span>));<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                            \u53d8\u5f97\u76f8\u5f53\u7b80\u5355\u4e86\u3002
                            \n\u901a\u8fc7\u53ea\u4f7f\u7528\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7701\u7565\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u58f0\u660e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                            Java\u4e2d\u7684Lambda\u8868\u8fbe\u5f0f \u4e3a\u4e86\u65b9\u4fbf\u5730\u521b\u5efa\u5b9e\u73b0\u4e86\u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u7c7b\u7684\u5b9e\u4f8b\uff0c\u8fd9\u662f\u4e00\u79cd\u8bed\u6cd5\u3002 \u6362\u53e5\u8bdd\u8bf4\uff0c\u8fd9\u662f\u4e00\u79cd\u540c […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31186","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nJava\u7684Lambda\u8868\u8fbe\u5f0f - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eJava\u7684Lambda\u8868\u8fbe\u5f0f\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u7684lambda\u8868\u8fbe\u5f0f\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u7684Lambda\u8868\u8fbe\u5f0f\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8eJava\u7684Lambda\u8868\u8fbe\u5f0f\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u7684lambda\u8868\u8fbe\u5f0f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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