public class GalaxyJ3 extends Samsung implements ITelefon { public GalaxyJ3(double preis, String produktTyp) { super(preis, produktTyp); } @Override public void powerOn() { System.out.println("GalaxyJ3 is starting"); } @Override public void esKlingelt() { System.out.println("DING DING DING"); } @Override public void anrufen() { System.out.println("No one will pick up - since you have no signal in the basement"); } }