public class Proov1{
  public static void main(String[] arg){
     Lehm lehm1=new Lehm("Tipa", 2011);
     Lehm lehm2=new Lehm("Triibu", 2012);
     System.out.println(lehm1);
     System.out.println(lehm2.toString());
     System.out.println("Esimese lehma vanus: "+lehm1.vanus());
     System.out.println("Vanuste vahe: "+lehm1.synniaastateVahe(lehm2));
  }
}