public class ThisTest
 {
   public static void main(String[] args)
   {
     SimpleTime time = new SimpleTime( 15, 30, 19 );
     System.out.println( time.buildString() );
   }
 }
 class SimpleTime
 {
   private int hour;
   private int minute;
   private int second;
   public SimpleTime( int hour, int minute, int second )
   {
     this.hour = hour;
     this.minute = minute;
     this.second = second;
   }
   public String buildString()
   {
     return String.format( "%24s: %s\n%24s: %s",
       "this.toUniversalString()", this.toUniversalString(),
       "toUniversalString()", toUniversalString() );
   }
   public String toUniversalString()
   {
     return String.format( "%02d:%02d:%02d",
       this.hour, this.minute, this.second );
   }
 }