Object 、class、interface的父类

 

public class Test {

public static void main(String[] args) throws InterruptedException {

Klass k=new Klass();

System.out.println(k.getClass());

System.out.println(k.getClass().getSuperclass());

Object o = new Object();

System.out.println(o.getClass());

System.out.println(o.getClass().getSuperclass());

Class c = Interfase.class;

System.out.println(c.getSuperclass());

}

}

class Klass {}

interface Interfase{}

 

 

 

class Klass

class java.lang.Object

class java.lang.Object

null

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