java.lang.Class.getSuperclass()方法實例

java.lang.Class.getSuperclass() 返回類表示此Class所表示的實體(類，接口，基本類型或void)的超類。

聲明

以下是**java.lang.Class.getSuperclass()**方法的聲明

public Class<? super T> getSuperclass()

參數

• NA

返回值

此方法返回當前對象所表示的類的超類。

異常

• NA

例子

下面的例子顯示java.lang.Class.getSuperclass()方法的使用。

package com.yiibai; import java.lang.*; class superClass { // super class } class subClass extends superClass { // sub class } public class ClassDemo { public static void main(String args[]) { superClass val1 = new superClass(); subClass val2 = new subClass(); Class cls; cls = val1.getClass(); System.out.println("val1 is object of type = " + cls.getName()); /* returns the superclass of the class(superClass) represented
by this object */ cls = cls.getSuperclass(); System.out.println("super class of val1 = " + cls.getName()); cls = val2.getClass(); System.out.println("val2 is object of type = " + cls.getName()); /* returns the superclass of the class(subClass) represented
by this object */ cls = cls.getSuperclass(); System.out.println("super class of val2 = " + cls.getName()); } }

讓我們來編譯和運行上面的程序，這將產生以下結果：

val1 is object of type = superClass super class of val1 = java.lang.Object val2 is object of type = subClass super class of val2 = superClass