{"id":5255,"date":"2021-11-01T13:39:34","date_gmt":"2021-11-01T05:39:34","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress\/?p=5255"},"modified":"2021-11-01T13:42:52","modified_gmt":"2021-11-01T05:42:52","slug":"java-class%e5%8f%8d%e5%b0%84","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=5255","title":{"rendered":"Java Class\u53cd\u5c04"},"content":{"rendered":"<ul>\n<li>getSuperclass\u4e0egetGenericSuperclass<br \/>\n<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/blog.csdn.net\/qq_26424655\/article\/details\/71515741\">https:\/\/blog.csdn.net\/qq_26424655\/article\/details\/71515741<\/a><\/li>\n<\/ul>\n<p>getSuperclass\uff1a\u83b7\u5f97\u8be5\u7c7b\u7684\u7236\u7c7b<br \/>\ngetGenericSuperclass\uff1a\u83b7\u5f97\u5e26\u6709\u6cdb\u578b\u7684\u7236\u7c7b<\/p>\n<p>\u7236\u7c7b\uff1a<\/p>\n<pre><code class=\"language-java line-numbers\">package com.mycode.test;\n\npublic class Person&lt;T1,T2&gt; {\n\n}\n<\/code><\/pre>\n<p>\u5b50\u7c7b\uff1a<\/p>\n<pre><code class=\"language-java line-numbers\">package com.mycode.test;\n\nimport java.lang.reflect.*;\n\npublic class Student extends Person&lt;Integer, Boolean&gt; {\n\n    @SuppressWarnings(\"rawtypes\")\n    public static void main(String[] args) {\n\n        Student student = new Student();\n        Class clazz = student.getClass();\/\/getSuperclass()\u83b7\u5f97\u8be5\u7c7b\u7684\u7236\u7c7b\n        System.out.println(clazz.getSuperclass());\n\n        \/**\n         * getGenericSuperclass()\u83b7\u5f97\u5e26\u6709\u6cdb\u578b\u7684\u7236\u7c7b\n         * Type\u662f Java \u7f16\u7a0b\u8bed\u8a00\u4e2d\u6240\u6709\u7c7b\u578b\u7684\u516c\u5171\u9ad8\u7ea7\u63a5\u53e3\u3002\u5b83\u4eec\u5305\u62ec\u539f\u59cb\u7c7b\u578b\u3001\u53c2\u6570\u5316\u7c7b\u578b\u3001\u6570\u7ec4\u7c7b\u578b\u3001\u7c7b\u578b\u53d8\u91cf\u548c\u57fa\u672c\u7c7b\u578b\u3002\n         *\/\n        Type type = clazz.getGenericSuperclass();\n        System.out.println(type);\n\n        \/\/ParameterizedType\u53c2\u6570\u5316\u7c7b\u578b\uff0c\u5373\u6cdb\u578b\n        ParameterizedType p = (ParameterizedType)type;\n        \/\/getActualTypeArguments\u83b7\u53d6\u53c2\u6570\u5316\u7c7b\u578b\u7684\u6570\u7ec4\uff0c\u6cdb\u578b\u53ef\u80fd\u6709\u591a\u4e2a\n        Class c1 = (Class)p.getActualTypeArguments()[0];\n        System.out.println(c1);\n        Class c2 = (Class)p.getActualTypeArguments()[1];\n        System.out.println(c2);\n    }\n}\n\n<\/code><\/pre>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n<pre><code class=\"language-java line-numbers\">class com.mycode.test.Person\ncom.mycode.test.Person&lt;java.lang.Integer, java.lang.Boolean&gt;\nclass java.lang.Integer\nclass java.lang.Boolean\n<\/code><\/pre>\n<button class=\"simplefavorite-button\" data-postid=\"5255\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>getSuperclass\u4e0egetGenericSuperclass https:\/\/blog.cs [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[284],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/5255"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5255"}],"version-history":[{"count":3,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/5255\/revisions"}],"predecessor-version":[{"id":5258,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/5255\/revisions\/5258"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5255"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}