ex-04-07

Programming Csharp Source Code(代码) Programming Csharp Source Code

//Example 04-07: Returning values in parameters

public class Time
{
   // public accessor methods
   public void DisplayCurrentTime()
   {
      System.Console.WriteLine("{0}/{1}/{2} {3}:{4}:{5}", 
         Month, Date, Year, Hour, Minute, Second);
   }

   public int GetHour()
   {
      return Hour;
   }

     public void GetTime(int h, int m, int s)
     {
         h = Hour;
         m = Minute;
         s = Second;
     }

   // constructor
   public Time(System.DateTime dt)
   {
      
         Year = dt.Year;
         Month = dt.Month;
         Date = dt.Day;
         Hour = dt.Hour;
         Minute = dt.Minute;
         Second = dt.Second;
      }

       // private member variables
      private int Year;
      private int Month;
      private int Date;
      private int Hour;
      private int Minute;
      private int Second;

   }

   public class Tester
   {
      static void Main()
      {
         System.DateTime currentTime = System.DateTime.Now;
         Time t = new Time(currentTime);
         t.DisplayCurrentTime();
 
            int theHour = 0;
            int theMinute = 0;
            int theSecond = 0;
            t.GetTime(theHour, theMinute, theSecond);
         System.Console.WriteLine("Current time: {0}:{1}:{2}",
                theHour, theMinute, theSecond);

      }

   }