What Will Be The Output Of The Following Java Code P Pre #867

 import java.lang.Math; class A { int a=9; } class B extends A { public void Y() { System.out.println(Math.sqrt(a)); } } class C extends A { public void Z() { System.out.println(Math.pow(a,2)); } } public class Power { public static void main(String[] args) { B obj1 = new B(); C obj2 = new C(); obj1.Y(); obj2.Z(); } } 

3.0 81.0

3.0 3.0

81.0 3.0

3.0 9.0