Java Programming Tutorial - 39 - Multiple Constructors

public class tuna {
   private int hour;
   private int minute;
   private int second;

   public tuna(){
      this(0,0,0);
   }
   public tuna(int h){
      this(h,0,0);
   }
   public tuna(int h, int m){
      this(h,m,0);
   }
   public tuna(int h, int m, int s){
      setTime(h,m,s);
   }
   public void setTime(int h, int m, int s){
      setHour(h);
      setMinute(m);
      setSecond(s);
   }

}