latihan 8.5

 public class Time2  
 {  
   private int hour;  
   private int minute;  
   private int second;  
   public Time2()  
   {  
     this( 0,0,0 );  
   }  
   public Time2(int h)  
   {  
     this( h,0,0 );  
   }  
   public Time2( int h, int m)  
   {  
     this( h,m,0 );  
   }  
   public Time2(int h, int m, int s )  
   {  
     setTime( h,m,s );  
   }  
   public Time2( Time2 time)  
   {  
     this(time.getHour(), time.getMinute(), time.getSecond());  
   }  
   public void setTime( int h, int m, int s)  
   {  
     setHour(h);  
     setMinute (m);  
     setSecond (s);  
   }  
   public void setHour (int h)  
   {  
     if(h>= 0 && h<24)  
     hour = h;  
     else  
     throw new IllegalArgumentException("hour must be 0-23");  
   }  
   public void setMinute (int m)  
   {  
     if( m>= 0 && m<60 )  
     minute = m;  
     else  
     throw new IllegalArgumentException("minute must be 0-59");  
   }  
   public void setSecond( int s)  
   {  
     if( s>= 0 && s<60)  
     second = (( s >= 0 && s < 60)?s:0);  
     else  
     throw new IllegalArgumentException("second must be 0-59");  
   }  
   public int getHour()  
   {  
     return hour;  
   }  
   public int getMinute()  
   {  
     return minute;  
   }  
   public int getSecond()  
   {  
     return second;  
   }  
   public String toUniversalString()  
   {  
     return String.format(  
     "%02d:%02d:%02d", getHour(), getMinute(),getSecond());  
   }  
   public String toString()  
   {  
     return String.format("%d:%02d:%02d %s",  
     ((getHour() ==0|| getHour() == 12)?12 : getHour() % 12),  
     getMinute(), getSecond(), (getHour()< 12? "AM" : "PM"));  
   }  
 }