ex-05-05

Programming Csharp Source Code(代码) Programming Csharp Source Code

//Example 05-05: Boxing and unboxing

using System;
public class UnboxingTest 
{
   public static void Main() 
   {
      int i = 123;

      //Boxing
      object o = i;

      // unboxing (must be explict)
      int j = (int) o;
      Console.WriteLine("j: {0}", j);
   }
}