package MyPackage;
import java.lang.Math;
public class SimpleSphere {
private double radius;
public static final double DEFAULT_RADIUS = 1.0;
public SimpleSphere() {
radius = DEFAULT_RADIUS;
} // end default constructor
public SimpleSphere(double r) {
radius = r;
} // end constructor
public double getRadius() {
return radius;
} // end getRadius
public double getVolume() {
// Computes the volume of the sphere.
double radiusCubed = radius * radius * radius;
return 4 * Math.PI * radiusCubed / 3;
} // end getVolume
} // end SimpleSphere