final class A

$\{$

int i;

$\}$

class B extends A

$\{$

int $j$;

System.out.println$(j+""+$ i$)$;

$\}$

class inheritance

$\{$

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

i$.$

B obj $=$ new $B()$;

obj.display $()$;

$\}$

$\}$