{"id":448,"date":"2019-02-14T22:03:48","date_gmt":"2019-02-14T14:03:48","guid":{"rendered":"http:\/\/www.eait.co\/?p=448"},"modified":"2019-04-05T12:32:52","modified_gmt":"2019-04-05T04:32:52","slug":"java%e4%b8%ad-%e7%b1%bb%e5%b1%9e%e6%80%a7%e5%92%8c%e5%af%b9%e8%b1%a1%e5%b1%9e%e6%80%a7%e7%9a%84%e4%b8%8d%e5%90%8c%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/notes.coremix.net\/?p=448","title":{"rendered":"\uff1fjava\u4e2d \u7c7b\u5c5e\u6027\u548c\u5bf9\u8c61\u5c5e\u6027\u7684\u4e0d\u540c\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"<p>\u7c7b \u53d8\u91cf \u5c31\u662f static \u4fee\u9970 \u7684 \u53d8\u91cf\uff0c \u5b83\u4eec \u88ab \u7c7b \u7684 \u5b9e\u4f8b \u6240 \u5171\u4eab\uff0c \u5c31\u662f\u8bf4 \u4e00\u4e2a \u5b9e\u4f8b \u6539\u53d8 \u4e86 \u8fd9\u4e2a \u503c\uff0c \u5176\u4ed6 \u7684 \u5b9e\u4f8b \u4e5f\u4f1a \u53d7\u5230\u5f71\u54cd\uff1b \u6210\u5458 \u53d8\u91cf \u5219\u662f \u5b9e\u4f8b \u6240 \u79c1\u6709 \u7684\uff0c \u53ea\u6709 \u5b9e\u4f8b \u672c\u8eab \u53ef\u4ee5 \u6539\u53d8 \u5b83\u7684 \u503c\u3002<\/p>\n<p>&nbsp;<\/p>\n<pre>\r\n\r\n\r\n\r\n\/**\r\n * Created by xabcd on 2019\/2\/14.\r\n *\/\r\npublic class Test\r\n{\r\n    static String a = \"string-a\";\r\n    static String b;\r\n    String c = \"string-c\";\r\n    String d;\r\n    static {\/\/<span style=\"color: #ff0000;\">\u6b64\u5904\u4e0d\u80fd\u6539\u6210public xxx\uff08\uff09\u4e5f\u4e0d\u80fd\u7528static xxx\uff08\uff09<\/span>\r\n        printStatic(\"before static\");\r\n        b = \"string-b\";\r\n        printStatic(\"after static\");\r\n    }\r\n    public  static void printStatic(String title){\r\n        System.out.println(\"--------\"+title+\"--------\");\r\n        System.out.println(\"a = \\\"\"+a+\"\\\"\");\r\n        System.out.println(\"b=  \\\"\"+b+\"\\\"\");\r\n    }\r\n    public Test(){\/\/<span style=\"color: #ff0000;\">\u6b64\u5904\u4e0d\u80fd\u6539\u6210static<\/span>\r\n        print(\"before constructor\");\r\n        d = \"string-d\";\r\n        print(\"after contructor\");\r\n    }\r\n    public void print(String title){\r\n        System.out.println(\"--------\"+title+\"--------\");\r\n        System.out.println(\"a=\\\"\"+a+\"\\\"\");\r\n        System.out.println(\"b=\\\"\"+b+\"\\\"\");\r\n        System.out.println(\"c=\\\"\"+c+\"\\\"\");\r\n        System.out.println(\"d=\\\"\"+d+\"\\\"\");\r\n    }\r\n    public static void main(String[] args){\r\n        new Test();\/\/<span style=\"color: #ff0000;\">\u4e00\u5b9a\u8981\u7528new Test\uff1f\uff1f\uff1f<\/span>\r\n    }\r\n}\r\n\r\n\r\n\r\n\r\n\r\n\u7ed3\u679c\uff1a\r\n--------before static--------\r\na = \"string-a\"\r\nb= \"null\"\r\n--------after static--------\r\na = \"string-a\"\r\nb= \"string-b\"\r\n--------before constructor--------\r\na=\"string-a\"\r\nb=\"string-b\"\r\nc=\"string-c\"\r\nd=\"null\"\r\n--------after contructor--------\r\na=\"string-a\"\r\nb=\"string-b\"\r\nc=\"string-c\"\r\nd=\"string-d\"<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u7c7b \u53d8\u91cf \u5c31\u662f static \u4fee\u9970 \u7684 \u53d8\u91cf\uff0c \u5b83\u4eec \u88ab \u7c7b \u7684 \u5b9e\u4f8b \u6240 \u5171\u4eab\uff0c \u5c31\u662f\u8bf4 \u4e00\u4e2a \u5b9e\u4f8b \u6539\u53d8  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,24],"tags":[],"class_list":["post-448","post","type-post","status-publish","format-standard","hentry","category-java","category-base_code"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=448"}],"version-history":[{"count":4,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/448\/revisions"}],"predecessor-version":[{"id":452,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/448\/revisions\/452"}],"wp:attachment":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}