// Fig. 8.6: Time2Test.java
// Overloaded constructors used to initialize Time2 objects.

public class Time2Test {
   public static void main(String[] args) {
      Time2 t1 = new Time2(); // 00:00:00          
      Time2 t2 = new Time2(2); // 02:00:00         
      Time2 t3 = new Time2(21, 34); // 21:34:00    
      Time2 t4 = new Time2(12, 25, 42); // 12:25:42
      Time2 t5 = new Time2(t4); // 12:25:42        

      System.out.println("Constructed with:");
      displayTime("t1: all default arguments", t1);
      displayTime("t2: hour specified; default minute and second", t2);
      displayTime("t3: hour and minute specified; default second", t3);
      displayTime("t4: hour, minute and second specified", t4);
      displayTime("t5: Time2 object t4 specified", t5);

      // attempt to initialize t6 with invalid values
      try {
         Time2 t6 = new Time2(27, 74, 99); // invalid values
      } 
      catch (IllegalArgumentException e) {
         System.out.printf("%nException while initializing t6: %s%n",
            e.getMessage());
      } 
   } 

   // displays a Time2 object in 24-hour and 12-hour formats
   private static void displayTime(String header, Time2 t) {
      System.out.printf("%s%n   %s%n   %s%n",
         header, t.toUniversalString(), t.toString());
   } 
} 


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