写的一个简单的有关函数重载的例子

using System;

namespace ConsoleApplication1
{
/// <summary>
/// Class1 的摘要说明。
/// </summary>
class Class1
{
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main(string[] args)
{
Gen[] objGen=new Gen[2];
objGen[0]=new Zhi();
objGen[1]=new NewZhi();
foreach (Gen g in objGen)
{
System.Console.WriteLine(g.printHello());
}
}
}
abstract class Gen
{
public virtual string printHello()
{
return "it's an abstract method";
}
}
class Zhi:Gen
{
public override string printHello()
{
return "it's an override method";
}
}
class NewZhi:Gen
{
public new string printHello()
{
return "it's a new method";
}
}
}