Java Studio

class super_8{ int x; void fun_1(){ System.out.println("x::"+x); } } class sub extends super_8{ int y; void fun_2(){ System.out.println("x::"+x); System.out.println("y::"+y); } } public class Inheritance { public static void main(String[]args) { super_8 a=new super_8(); a.x=11; a.fun_1(); sub a1=new sub(); a1.x=12; a1.y=13; a1.fun_2(); } }