TimeComparer.java

import java.util.*;

public class TimeComparer
{
   public static void main(String[] args)
   {  
      Scanner in = new Scanner(System.in);

      System.out.println("Please enter the first time in military time (hour minute): ");
      int hour1 = in.nextInt();
      int minute1 = in.nextInt();

      System.out.println("Please enter the second time in military time (hour minute): ");
      int hour2 = in.nextInt();
      int minute2 = in.nextInt();
      
      Time time1 = new Time(hour1, minute1);
      Time time2 = new Time(hour2, minute2);
      
      String comp = time1.compareWith(time2);
      System.out.println("The first time is " + comp + " the second time.");      
   }
}

/**
   This class compares two military times and
   determines which comes first.
*/
class Time
{
   private int hour;
   private int minute;
   
   public Time(int anHour, int aMinute)
   {
      this.hour = anHour;
      this.minute = aMinute;
   }

   public int getHour(){
      return this.hour;
   }
   public int getMin(){
      return this.minute;
   }

   /**
      Compares this time against another time.
      @param time2 the time to compare with
      @return "before" if this time comes before time2,
      "" if the times are the same, and "after" otherwise
   */   
   public String compareWith(Time time2)
   {
      String str = "";
      if(this.hour<time2.getHour()){
         str = "before";
      }else if(this.hour==time2.getHour()){
         if(this.minute<time2.getMin()){
            str = "before";
         }else if(this.minute==time2.getMin()){
            str = "";
         }else{
            str = "after";
         }
      }else
         str = "after";
      return str;
   }
}