public class TollesPaarTest {
  public static void main(String[] args) {
    Hemd he1 = new Hemd();
    Hemd he2 = new Hemd();
    Hose ho1 = new Hose();
    Hose ho2 = new Hose();
    Ohrring o1 = new Ohrring();
    Ohrring o2 = new Ohrring();
    TollesPaar<Hemd> p1 = new TollesPaar<Hemd>(he1,he2);
    TollesPaar<Hose> p2 = new TollesPaar<Hose>(ho1,ho2);
    TollesPaar<Ohrring> p3 = 
            new TollesPaar<Ohrring>(o1,o2); // unzulaessig
  }
}