class Parentt

{

int a,b;

Parentt()

{

a=10;

b=20;

System.out.println("Parent class constructor executed!");

}

Parentt(int a,int b)

{

this.a=a;

this.b=b;

System.out.println("Parent class constructor executed!");

}

}

class Childd extends Parentt

{

int x,y;

Childd()

{

x=100;

y=200;

System.out.println("Child class constructor executed!");

}

Childd(int x,int y)

{

//in this case also JVM call only super() but if you want to execute the para const.

//of parent call then we have to pass some argu. to the super(argu1,argu2) to call the

//para const. and we have to call it explicitly

super(x,y);

this.x=x;

this.y=y;

System.out.println("Child class constructor executed!");

}

void disp()

{

System.out.println(a);

System.out.println(b);

System.out.println(x);

System.out.println(y);

}

}

public class ConstructorTwist2 {

public static void main(String[] args) {

Childd c=new Childd();

c.disp();

Childd c2=new Childd(1000,2000);

c2.disp();

}

}