// Fig. 36.11: Time1.java
// Class Time1 that will be placed in a module.
package com.deitel.timelibrary;

public class Time1 {
   private int hour; // 0 - 23  
   private int minute; // 0 - 59
   private int second; // 0 - 59

   // set a new time value using universal time; throw an
   // exception if the hour, minute or second is invalid
   public void setTime(int hour, int minute, int second) {
      // validate hour, minute and second
      if (hour < 0 || hour >= 24 || minute < 0 || minute >= 60 || 
         second < 0 || second >= 60) {
         throw new IllegalArgumentException(               
            "hour, minute and/or second was out of range");
      }

      this.hour = hour;
      this.minute = minute;
      this.second = second;
   } 

   // convert to String in universal-time format (HH:MM:SS)
   public String toUniversalString() {
      return String.format("%02d:%02d:%02d", hour, minute, second);
   } 

   // convert to String in standard-time format (H:MM:SS AM or PM)
   public String toString() {
      return String.format("%d:%02d:%02d %s",         
         ((hour == 0 || hour == 12) ? 12 : hour % 12),
         minute, second, (hour < 12 ? "AM" : "PM"));  
   } 
} 


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