Sphere

import java.util.*;

class Sphere{

//data members
static int count = 0;

//instance
static double radius;

//coordinates
double xCenter;
double yCenter;
double zCenter;

//constructor
Sphere(double radiusR, double x, double y, double z){
radius = radiusR;
xCenter = x;
yCenter = y;
zCenter = z;

//increment instance of sphere
++count;
}
//number of objects
static int getCount(){
return count;
}

//compute volume of sphere
static double getVolume(){
return 4.0/3.0*Math.PI*Math.pow(radius,3);
}
}