代码如下：

1 package com.sina.demo; 2 interface IMessageService{ 3     public void send(); 4 } 5 interface IChannel{ 6     public boolean connect(); 7 } 8 abstract class AbstractBase{} 9 class Mail extends AbstractBase implements IMessageService,IChannel{10     @Override11     public boolean connect() {12         return true;13     }14     @Override15     public void send() {16         if(this.connect()) {17             System.out.println("【信息发送】www.sina.com.cn");18         }19     }20 }21 public class JavaReflectDemo {22     public static void main(String[] args) {23         Class
      cls = Mail.class;24         Package pkg = cls.getPackage();25         System.out.println("包名称："+pkg.getName());26         Class
      parent = cls.getSuperclass();27         System.out.println("父类名称："+parent.getName());28         Class
      clazz[] = cls.getInterfaces();29         for(Class
      temp:clazz) {30             System.out.println("父接口名称："+temp);31         }32     }33 }

运行结果：

包名称：com.sina.demo父类名称：com.sina.demo.AbstractBase父接口名称：interface com.sina.demo.IMessageService父接口名称：interface com.sina.demo.IChannel