abstract.cs

深入浅出C＃,学习C#比较好的用例,能够很快掌握C#.

using System;
 
abstract class Display
{
	public abstract void init();
	public abstract void write();
	public abstract double size
	{
		get;
		set;
	}
	public double price,s;
}
class SingleAdapter:Display//单色显示器类
{
	public SingleAdapter(double p)
	{
		price=p;
	}
	public override void init()
	{
		Console.WriteLine("price:{0}",price);
	}
	public override void write()
	{
		Console.WriteLine("This is a singleadapter.");
	}
	public override double size
	{
		get
		{
			return s;
		}
		set
		{
			s=value;
		}
	}
}

class Coloradapter:Display//彩色显示器类
{
	public Coloradapter(double p)
	{
		price=p;
	}
	public override void init()
	{
		Console.WriteLine("price:{0}",price);
	}
	public override void write()
	{
		Console.WriteLine("This is a Coloradapter.");
	}
	public override double size
	{
		get
		{
			return s;
		}
		set
		{
			s=value;
		}
	}
}

class CTX:Coloradapter// CTX系列的彩色显示器类
{
	public CTX(double p):base(p)
	{
		Console.Write("Pattern:CTX.");
		write();
		init();
		size=15;
	}
}
class Philips:SingleAdapter//philips系列的单色显示器类
{
	public Philips(double p):base(p)
	{
		Console.WriteLine("Pattern:Philips.");
		write();
		init();
		size=14;
	}
}
class Mainclass
{
	public static void Main()
	{
		Console.WriteLine("请输入CTX系列彩色显示器的价格 ：");
		string price=Console.ReadLine();
		double p=double.Parse(price);
		CTX myadapter=new CTX(p);
		Console.WriteLine("请输入Philips系列单色显示器的价格 ：");
		string price1=Console.ReadLine();
		double p1=double.Parse(price1);
		Philips adapter=new Philips(p1);
	}
}