import java.text.*;
public class TestPlanet {
   public static void main (String[] arg) {
      Point3D position1 = new Point3D(100, 100, 100);
      Point3D position2 = new Point3D(200, 200, 200);
      Planet p1 = new Planet(1, position1);
      Planet p2 = new Planet(2, position2);
      double volume = p1.computeVolume();
      double distance = p2.computeDistance(p1);
      NumberFormat r = NumberFormat.getInstance();
      r.setMaximumFractionDigits(2);
      System.out.println("Volym = " + r.format(volume));
      System.out.println("Avstånd = " + r.format(distance));
   }//main
}//TestPlanet