{"id":2271,"date":"2020-09-10T10:07:04","date_gmt":"2020-09-10T02:07:04","guid":{"rendered":"http:\/\/admin.evshou.com\/?p=2271"},"modified":"2020-09-10T10:07:31","modified_gmt":"2020-09-10T02:07:31","slug":"2020java%e6%95%99%e7%a8%8b%ef%bc%9a%e5%8d%95%e4%be%8b%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.9713job.com\/?p=2271","title":{"rendered":"2020java\u6559\u7a0b\uff1a\u5355\u4f8b\u6a21\u5f0f"},"content":{"rendered":"<h3>\u5355\u4f8b\u6a21\u5f0f<\/h3>\n<p><strong>\u5355\u4f8b(Singleton)\uff1a\u53ea\u5141\u8bb8\u521b\u5efa\u4e00\u4e2a\u8be5\u7c7b\u7684\u5bf9\u8c61<\/strong>\u3002<\/p>\n<p><strong>\u65b9\u5f0f1\uff1a\u997f\u6c49\u5f0f(\u7c7b\u52a0\u8f7d\u65f6\u521b\u5efa\uff0c\u5929\u751f\u7ebf\u7a0b\u5b89\u5168)<\/strong><\/p>\n<pre>class Teacher{\r\n    private static final Teacher t=new Teacher();\r\n    private Teacher(){}\r\n    public static Teacher getInstance(){\r\n        return t;\r\n    }\r\n}<\/pre>\n<p><!--more--><\/p>\n<p><strong>\u65b9\u5f0f2\uff1a\u61d2\u6c49\u5f0f(\u4f7f\u7528\u65f6\u521b\u5efa\uff0c\u7ebf\u7a0b\u4e0d\u5b89\u5168\uff0c\u52a0\u540c\u6b65)<\/strong><\/p>\n<pre>class Teacher{\r\n    private static Teacher t=null;\r\n    private Teacher(){}\r\n    public static synchronized Teacher getInstance(){\r\n        if (t == null) {\r\n            t=new Teacher();\r\n        }\r\n        return t;\r\n    }\r\n}<\/pre>\n<p><strong>\u65b9\u5f0f3\uff1a\u61d2\u6c49\u5f0f(\u4f7f\u7528\u65f6\u521b\u5efa\uff0c\u7ebf\u7a0b\u5b89\u5168)<\/strong><\/p>\n<pre>class Teacher{\r\n    private Teacher(){}\r\n    private static class Holder{\r\n        static Teacher t=new Teacher();\r\n    }\r\n    public static Teacher getInstance(){\r\n        return Holder.t;\r\n    }\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5355\u4f8b\u6a21\u5f0f \u5355\u4f8b(Singleton)\uff1a\u53ea\u5141\u8bb8\u521b\u5efa\u4e00\u4e2a\u8be5\u7c7b\u7684\u5bf9\u8c61\u3002 \u65b9\u5f0f1\uff1a\u997f\u6c49\u5f0f(\u7c7b\u52a0\u8f7d\u65f6\u521b\u5efa\uff0c\u5929\u751f\u7ebf\u7a0b\u5b89\u5168) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-2271","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2271"}],"version-history":[{"count":1,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2271\/revisions"}],"predecessor-version":[{"id":2272,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2271\/revisions\/2272"}],"wp:attachment":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}