ex-05-04

Programming Csharp Source Code(代码) Programming Csharp Source Code

//Example 05-04: Inheriting from Object

using System;

public class SomeClass
{
   public SomeClass(int val)
   {
      value = val;
   }

   public virtual string ToString()
   {
      return value.ToString();
   }
   private int value;
}


public class Tester
{
   static void Main()
   {
      int i = 5;
      Console.WriteLine("The value of i is: {0}", i.ToString());

      SomeClass s = new SomeClass(7);
      Console.WriteLine("The value of s is {0}", s.ToString());
   }
}