java program for super keyword

Write a java program to given the example for “super” keyword.

super() is used to invoke super class constructors and super keyword is refer super class members.

in this program i did show the difference with and without super keyword.

by using super keyword we can access parent class properties.

public class SuperTest {

       int number=10;

       SuperTest(){

        System.out.println("parent class constructor ");

       }     

}

class Test extends SuperTest{    

       int number=20;      

       Test(){

              super();

              System.out.println("using super keyword :" +super.number);

              System.out.println("with out using super keyword :" +number);

       }     

       public static void main(String[] args) {

              Test obj=new Test();      

       }

}

OUTPUT:

/*

parent class constructor

using super keyword :10

with out using super keyword :20

*/