Java Programming Tutorial - 41 - Building Objects for Constr

public class apples {
   public static void main(String[] args){

      tuna tunaObject = new tuna();
      tuna tunaObject2 = new tuna(5);
      tuna tunaObject3 = new tuna(5,13);
      tuna tunaObject4 = new tuna(5,13,43);

      System.out.printf("%s\n", tunaObject.toMilitary());
      System.out.printf("%s\n", tunaObject2.toMilitary());
      System.out.printf("%s\n", tunaObject3.toMilitary());
      System.out.printf("%s\n", tunaObject4.toMilitary());

   }

}

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);
   }
   public void setHour(int h){
      hour = ((h>=0 && h<24)?h:0);
   }
   public void setMinute(int m){
      minute = ((m>=0 && m<60)?m:0);
   }
   public void setSecond(int s){
      second = ((s>=0 && s<60)?s:0);
   }
   public int getHour(){
      return hour;
   }
   public int getMinute(){
      return minute;
   }
   public int getSecond(){
      return second;
   }
   public String toMilitary(){
      return String.format("%02d:%02d:%02d", getHour(), getMinute(), getSecond());
   }
}