meetnaveen4u

 Profile Answers by meetnaveen4u 

• Oct 10th, 2006

 

Hi,

I think the question is wrong. When we extend the super class then only a class becomes subclass of super class. Please reframe it properly.

Thanks

Naveen.

Radhakrishna

• Nov 9th, 2006

 

hi,

By default the first statement of any constructor is the super();  means  before excuting the subclass constructor it will call the superclass zeroargument constructor.putting this statement in the subclass constructor is taken care by the compiler.after the excution of superclass zeroargument constructor the control will come back to the subclass constructor.

This belove example will help u for better understanding of this topic.

class superclass
{
 public superclass(){
  System.out.println("in the super class constructor");
 }
 
}
class subclass extends superclass
{
 public subclass(){
  System.out.println("in the subclass constructor");
 }
}

public class Test
{
 public static void main(String[] args){
  subclass obj=new subclass();

 }
 
}