{"id":1383,"date":"2022-11-01T23:00:46","date_gmt":"2022-11-01T15:00:46","guid":{"rendered":"https:\/\/qaqaq.top\/?p=1383"},"modified":"2022-11-27T12:39:45","modified_gmt":"2022-11-27T04:39:45","slug":"%e5%8f%8d%e5%b0%84-%e8%8e%b7%e5%8f%96%e8%bf%90%e8%a1%8c%e6%97%b6%e7%b1%bb%e7%9a%84%e6%9e%84%e9%80%a0%e5%99%a8%e7%bb%93%e6%9e%84%e3%80%81%e8%8e%b7%e5%8f%96%e8%bf%90%e8%a1%8c%e6%97%b6%e7%b1%bb%e7%9a%84","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=1383","title":{"rendered":"\u53cd\u5c04-\u83b7\u53d6\u8fd0\u884c\u65f6\u7c7b\u7684\u6784\u9020\u5668\u7ed3\u6784\u3001\u83b7\u53d6\u8fd0\u884c\u65f6\u7c7b\u7684\u7236\u7c7b\u53ca\u7236\u7c7b\u7684\u6cdb\u578b\u3001\u83b7\u53d6\u8fd0\u884c\u65f6\u7c7b\u7684\u63a5\u53e3\u3001\u6240\u5728\u5305\u3001\u6ce8\u89e3\u7b49"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>package top.qaqaq.java.P653;\r\n\r\nimport org.junit.jupiter.api.Test;\r\nimport top.qaqaq.java.P649.Person;\r\n\r\nimport java.lang.annotation.Annotation;\r\nimport java.lang.reflect.Constructor;\r\nimport java.lang.reflect.ParameterizedType;\r\nimport java.lang.reflect.Type;\r\n\r\n\/**\r\n * @author RichieZhang\r\n * @create 2022-11-01 \u4e0b\u5348 9:21\r\n *\/\r\npublic class OtherTest {\r\n\r\n    \/*\r\n    \u83b7\u53d6\u6784\u9020\u5668\u7ed3\u6784\r\n     *\/\r\n\r\n    @Test\r\n    public void test1(){\r\n\r\n        Class clazz = Person.class;\r\n        \/\/getConstructors(): \u83b7\u53d6\u5f53\u524d\u8fd0\u884c\u65f6\u7c7b\u4e2d\u58f0\u660e\u4e3apublic\u7684\u6784\u9020\u5668\r\n        Constructor&#91;] constructors = clazz.getConstructors();\r\n        for (Constructor c : constructors) {\r\n            System.out.println(c);\r\n        }\r\n\r\n        System.out.println();\r\n\r\n        \/\/getDeclaredConstructors(): \u83b7\u53d6\u5f53\u524d\u8fd0\u884c\u65f6\u7c7b\u4e2d\u58f0\u660e\u7684\u6240\u6709\u7684\u6784\u9020\u5668\r\n        Constructor&#91;] declaredConstructors = clazz.getDeclaredConstructors();\r\n        for (Constructor c : declaredConstructors) {\r\n            System.out.println(c);\r\n        }\r\n    }\r\n\r\n    \/*\r\n    \u83b7\u53d6\u8fd0\u884c\u65f6\u7c7b\u7684\u7236\u7c7b\r\n\r\n     *\/\r\n    @Test\r\n    public void test2(){\r\n        Class clazz = Person.class;\r\n\r\n        Class superclass = clazz.getSuperclass();\r\n        System.out.println(superclass);\r\n    }\r\n\r\n    \/*\r\n    \u83b7\u53d6\u8fd0\u884c\u65f6\u7c7b\u7684\u5e26\u6cdb\u578b\u7684\u7236\u7c7b\r\n\r\n     *\/\r\n    @Test\r\n    public void test3(){\r\n        Class clazz = Person.class;\r\n\r\n        Type genericSuperclass = clazz.getGenericSuperclass();\r\n        System.out.println(genericSuperclass);\r\n    }\r\n\r\n    \/*\r\n    \u83b7\u53d6\u8fd0\u884c\u65f6\u7c7b\u7684\u5e26\u6cdb\u578b\u7684\u7236\u7c7b\u7684\u6cdb\u578b\r\n\r\n    \u4ee3\u7801\uff1a\u903b\u8f91\u6027\u4ee3\u7801 vs \u529f\u80fd\u6027\u4ee3\u7801\r\n     *\/\r\n    @Test\r\n    public void test4(){\r\n        Class clazz = Person.class;\r\n\r\n        Type genericSuperclass = clazz.getGenericSuperclass();\r\n        ParameterizedType paramType = (ParameterizedType) genericSuperclass;\r\n        \/\/\u83b7\u53d6\u6cdb\u578b\u7c7b\u578b\r\n        Type&#91;] actualTypeArguments = paramType.getActualTypeArguments();\r\n\r\n\/\/        System.out.println(actualTypeArguments&#91;0].getTypeName());\r\n        System.out.println(((Class)actualTypeArguments&#91;0]).getName());\r\n    }\r\n\r\n    \/*\r\n    \u83b7\u53d6\u8fd0\u884c\u65f6\u7c7b\u5b9e\u73b0\u7684\u63a5\u53e3\r\n\r\n     *\/\r\n    @Test\r\n    public void test5(){\r\n        Class clazz = Person.class;\r\n\r\n        Class&#91;] interfaces = clazz.getInterfaces();\r\n        for (Class c : interfaces){\r\n            System.out.println(c);\r\n        }\r\n\r\n        System.out.println();\r\n\r\n        \/\/\u83b7\u53d6\u8fd0\u884c\u65f6\u7c7b\u7684\u7236\u7c7b\u5b9e\u73b0\u7684\u63a5\u53e3\r\n        Class&#91;] interfaces1 = clazz.getSuperclass().getInterfaces();\r\n        for (Class c : interfaces1){\r\n            System.out.println(c);\r\n        }\r\n    }\r\n\r\n    \/*\r\n    \u83b7\u53d6\u8fd0\u884c\u65f6\u7c7b\u6240\u5728\u7684\u5305\r\n\r\n     *\/\r\n    @Test\r\n    public void test6(){\r\n        Class clazz = Person.class;\r\n\r\n        Package pack = clazz.getPackage();\r\n        System.out.println(pack);\r\n    }\r\n\r\n    \/*\r\n    \u83b7\u53d6\u8fd0\u884c\u65f6\u7c7b\u58f0\u660e\u7684\u6ce8\u89e3\r\n\r\n     *\/\r\n    @Test\r\n    public void test7(){\r\n        Class clazz = Person.class;\r\n\r\n        Annotation&#91;] annotations = clazz.getAnnotations();\r\n        for (Annotation annos : annotations) {\r\n            System.out.println(annos);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[46],"class_list":["post-1383","post","type-post","status-publish","format-standard","hentry","category-java-code","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1383"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1383"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1383\/revisions"}],"predecessor-version":[{"id":1384,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/1383\/revisions\/1384"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}