Write a Program To Find out Parent Reference Implementation?

Write a Program To Find out Parent Reference Implementation?

package com.java.Softwaretestingblog;
class ab
{
   public void a()
   {
      System.out.println("Inside Method A");
   }
}
public class ParentReference extends ab
{
   public void a()
   {
      System.out.println("Inside Overriding Method A");
   }
   public void b()
   {
      System.out.println("Inside Method B");
   }
   @SuppressWarnings("unused")
   public static void main(String[] args) 
   {
      //ab obj=new ab();
      //obj.a();
      ab abc=new ParentReference();
      abc.a();
      ParentReference abx=new ParentReference();
      //abx.a();
      //abx.b();
      //ParentReference aby=new ab();
   }
}

Execution: The Parent Reference Final output link

Inside Overriding Method A