{"id":202963,"date":"2025-05-22T11:04:07","date_gmt":"2025-05-22T03:04:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202963\/"},"modified":"2025-05-22T11:04:07","modified_gmt":"2025-05-22T03:04:07","slug":"java%e5%87%bd%e6%95%b0%e5%bc%8f%e6%8e%a5%e5%8f%a3%e5%9c%a8%e5%b9%b6%e5%8f%91%e7%bc%96%e7%a8%8b%e4%b8%ad%e7%9a%84%e7%89%b9%e6%ae%8a%e4%b9%8b%e5%a4%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202963\/","title":{"rendered":"Java\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u7279\u6b8a\u4e4b\u5904\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u7279\u6b8a\u4e4b\u5904\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u7279\u6b8a\u4e4b\u5904\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p>Java \u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u5e76\u53d1\u7f16\u7a0b\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u56e0\u4e3a\uff1a\u7ebf\u7a0b\u5b89\u5168\u6027\uff1a\u51fd\u6570\u5f0f\u63a5\u53e3\u53ea\u80fd\u5305\u542b\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\uff0c\u65e0\u8bba\u5728\u54ea\u4e2a\u7ebf\u7a0b\u4e2d\u8c03\u7528\uff0c\u5176\u884c\u4e3a\u90fd\u662f\u4e00\u81f4\u7684\u3002\u7b80\u6d01\u6027\uff1a\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\u6bd4\u521b\u5efa\u533f\u540d\u5185\u90e8\u7c7b\u66f4\u7b80\u6d01\u3002\u7075\u6d3b\u6027\uff1a\u51fd\u6570\u5f0f\u63a5\u53e3\u53ef\u4ee5\u901a\u8fc7 lambda \u8868\u8fbe\u5f0f\u6216\u65b9\u6cd5\u5f15\u7528\u4f20\u9012\uff0c\u63d0\u4f9b\u5f88\u5927\u7684\u7075\u6d3b\u6027\u3002\u8fd9\u5141\u8bb8\u4f7f\u7528\u66f4\u7b80\u6d01\u548c\u53ef\u8bfb\u7684\u4ee3\u7801\u6765\u8868\u793a\u5e76\u884c\u4efb\u52a1\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730006925671dcf8d3f8f2.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u7279\u6b8a\u4e4b\u5904<\/strong><\/p>\n<p>\u51fd\u6570\u5f0f\u63a5\u53e3\u5728 Java \u5e76\u53d1\u7f16\u7a0b\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u56e0\u4e3a\u5b83\u4e3a\u521b\u5efa\u7ebf\u7a0b\u5b89\u5168\u7684\u4ee3\u7801\u63d0\u4f9b\u4e86\u4f18\u96c5\u548c\u7b80\u4fbf\u7684\u65b9\u6cd5\u3002<\/p>\n<p><strong>\u4ec0\u4e48\u662f\u51fd\u6570\u5f0f\u63a5\u53e3\uff1f<\/strong><\/p>\n<p>\u51fd\u6570\u5f0f\u63a5\u53e3\u662f\u4e00\u4e2a\u4ec5\u58f0\u660e\u5355\u4e2a\u62bd\u8c61\u65b9\u6cd5\u7684\u63a5\u53e3\u3002\u5b83\u5141\u8bb8\u5c06\u884c\u4e3a\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\uff0c\u7c7b\u4f3c\u4e8e\u521b\u5efa\u6307\u5411\u65b9\u6cd5\u7684\u6307\u9488\u3002<\/p>\n<p><strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u4f18\u52bf<\/strong><\/p>\n<ul>\n<li><strong>\u7ebf\u7a0b\u5b89\u5168\u6027\uff1a<\/strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ea\u80fd\u5305\u542b\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u3002\u8fd9\u6837\uff0c\u65e0\u8bba\u5728\u54ea\u4e2a\u7ebf\u7a0b\u4e2d\u8c03\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\uff0c\u90fd\u53ef\u4ee5\u4fdd\u8bc1\u5176\u884c\u4e3a\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u7b80\u6d01\u6027\uff1a<\/strong>\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\u6bd4\u521b\u5efa\u548c\u7ba1\u7406\u533f\u540d\u5185\u90e8\u7c7b\u66f4\u7b80\u6d01\u3002<\/li>\n<li><strong>\u7075\u6d3b\u6027\uff1a<\/strong>\u51fd\u6570\u5f0f\u63a5\u53e3\u53ef\u4ee5\u901a\u8fc7lambda\u8868\u8fbe\u5f0f\u6216\u65b9\u6cd5\u5f15\u7528\u4f20\u9012\uff0c\u8fd9\u63d0\u4f9b\u4e86\u5f88\u5927\u7684\u7075\u6d3b\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u793a\u4f8b<\/strong><\/p>\n<p>\u8ba9\u6211\u4eec\u8003\u8651\u4e00\u4e2a\u4f7f\u7528\u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u5b9e\u9645\u793a\u4f8b\uff1a<\/p>\n<pre>import java.util.concurrent.ExecutorService;\nimport java.util.concurrent.Executors;\n\npublic class FunctionInterfaceExample {\n    public static void main(String[] args) {\n        \/\/ \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u5f0f\u63a5\u53e3\n        Runnable task = () -&gt; System.out.println(Thread.currentThread().getName());\n\n        \/\/ \u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u6c60\n        ExecutorService executorService = Executors.newFixedThreadPool(4);\n\n        \/\/ \u63d0\u4ea4\u4efb\u52a1\u5230\u7ebf\u7a0b\u6c60\n        for (int i = 0; i &lt; 10; i++) {\n            executorService.submit(task);\n        }\n\n        executorService.shutdown();\n    }\n}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>Runnable<\/code> \u662f\u4e00\u4e2a\u51fd\u6570\u5f0f\u63a5\u53e3\uff0c\u5b83\u8868\u793a\u4e00\u4e2a\u4e0d\u5e26\u53c2\u6570\u4e14\u4e0d\u8fd4\u56de\u4efb\u4f55\u503c\u7684\u4ee3\u7801\u5757\u3002\u5c06\u6b64\u51fd\u6570\u5f0f\u63a5\u53e3\u4f20\u9012\u7ed9 <code>ExecutorService.submit<\/code> \u65b9\u6cd5\uff0c\u8fd9\u4f1a\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u6765\u6267\u884c <code>Runnable<\/code> \u5b9e\u4f8b\u6240\u8868\u793a\u7684\u4efb\u52a1\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5c3d\u7ba1\u6b64\u793a\u4f8b\u672a\u663e\u5f0f\u5730\u4f7f\u7528\u8bf8\u5982 <code>synchronized<\/code> \u6216 <code>volatile<\/code> \u4e4b\u7c7b\u7684\u5e76\u53d1\u673a\u5236\uff0c\u4f46\u7531\u4e8e <code>Runnable<\/code> \u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u540c\u65f6\u4ece\u591a\u4e2a\u7ebf\u7a0b\u8c03\u7528\u8be5\u4efb\u52a1\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aJava\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684\u7279\u6b8a\u4e4b\u5904\uff1f\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":"<p>Java\u51fd\u6570\u5f0f\u63a5\u53e3\u5728\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7684&#46;&#46;&#46;<\/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-202963","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202963","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=202963"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202963\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}