Item 33: Use the new Modifier Only to React to Base Class Updates(Effective C#)

code 1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5
6 namespace EffectiveCSharpItem33
7 {
8 class Base
9 {
public void MagicMethod()
{
Console.WriteLine("magic method from base.");
}
}

class Derived : Base
{
public new void MagicMethod()
{
Console.WriteLine("magic method from derived.");
}
}

class Program
{
static void Main(string[] args)
{
Derived d = new Derived();
d.MagicMethod();

Base b = d as Derived;
b.MagicMethod();
}
}
}