"public class A

$\{$

int no;

public void display$()$

$\{$

System.out.println$($the number in A $+$no$)$;

$\}$

public void computeSquare$()$

$\{$

no $=$ no $*$ no;

$\}$

$\}$

public class B extends A

$\{$

int no;

public B$($int n$1,$ int n$2)$

$\{$

super$($n$1)$ TN$11$ ;

no $=$ n$2*$ n$1$;

$\}$

public void display$()$

$\{$

super.display$()$;

System.out.println$($the number in B $+$no$)$;

$\}$

public void computeCube$()$

$\{$

no $=$ no $*$ no $*$ no;

$\}$

$\}$

public class AB

$\{$

public static void main$($String$[]$ args$)$

$\{$

int n$=10$;

AB b $=$ new AB$($n$,$ n$*2)$;

b$.$display$()$;

b$.$computeSquare$()$;

b$.$computeCube$()$;

$\}$

$\}$

Ans

The out put?"