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public class mySphereDriver
 {
    public static void main(String[] args) 
    {
        mySphere Sphere1 = new mySphere(5.0);
        mySphere Sphere2 = new mySphere(3.0);

        System.out.println(sphere1);
        System.out.println("Volume: " + sphere1.getVolume());
        System.out.println("Surface Area: " + sphere1.getSurfaceArea());

        System.out.println(sphere2);
        System.out.println("Volume: " + sphere2.getVolume());
        System.out.println("Surface Area: " + sphere2.getSurfaceArea());

        sphere1.setDiameter(10.0);
        sphere2.setDiameter(6.0);

        System.out.println(sphere1);
        System.out.println("Volume: " + sphere1.getVolume());
        System.out.println("Surface Area: " + sphere1.getSurfaceArea());

        System.out.println(sphere2);
        System.out.println("Volume: " + sphere2.getVolume());
        System.out.println("Surface Area: " + sphere2.getSurfaceArea());
    }
}