//显示父类和所有接口	public static void showSuperclassAndInterface(String className){		try {			Class
      clazz=Class.forName(className);			System.out.println(className+"的父类是：\n"+clazz.getSuperclass().getName());						System.out.println("\n"+className+"所包含的接口有：");			Class
     [] interfaces=clazz.getInterfaces();			for(Class
      i:interfaces){				System.out.println(i.getName());			}		} catch (ClassNotFoundException e) {			e.printStackTrace();		}	}		//显示此类中所有set方法	public static Method[] showSetMethod(String className){		List
     
       list=new ArrayList
      
       ();		try {			Class
        clazz = Class.forName(className);			Method[] methods=clazz.getMethods();			for(Method m:methods){				if(m.getName().indexOf("set")==0){					list.add(m);				}			}		} catch (ClassNotFoundException e) {			e.printStackTrace();		}		return list.toArray(new Method[list.size()]);	}	//显示所有属性的值	public static void showAllPropertyValue(Object bean){		Class
        clazz=bean.getClass();				Method[] methods=clazz.getMethods();				List
       
         list=new ArrayList
        
         ();				for(Method m:methods){			if(m.getName().indexOf("get")==0){				list.add(m);			}		}				for(Method m:list){			try {				System.out.println(m.getName().substring(3)+"屬性的值是："+m.invoke(bean, null));			} catch (IllegalArgumentException e) {				e.printStackTrace();			} catch (IllegalAccessException e) {				e.printStackTrace();			} catch (InvocationTargetException e) {				e.printStackTrace();			}		}			}		public static void main(String[] args) {		//showSuperclassAndInterface("java.util.ArrayList");		/*for(Method m : showSetMethod("Student")){			System.out.println(m.getName());		}*/		Student student=new Student();		student.setName("張三");		student.setAge(22);				showAllPropertyValue(student);