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
null