class Sphere {
double volOFSphere;
Sphere(double r){
volOFSphere =(4*3.14*r*r*r)/3;
}
void volume() {
System.out.println("Volume of Sphere: " + volOFSphere);
}
}
class Cylinder extends Sphere {
double volOfCylinder;
Cylinder(double r,double h) {
super(r);
volOfCylinder = 3.14*r*r*h;
}
void volume(){
super.volume();
System.out.println("Volume of Cylinder: " + volOfCylinder);
}
}
class MethodOverriding{
public static void main(String args[]) {
Cylinder c = new Cylinder(10, 20);
c.volume();
}
}

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