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- CSDN专家-showbo 2021-11-08 15:53关注
题主要的代码如下
using System; namespace ConsoleApp1 { abstract class Graph { public abstract void Draw(); public abstract double Area(); } class Circle : Graph { public double radius { get; set; } public override double Area() { return Math.PI * radius * radius; } public override void Draw() { Console.WriteLine("我是圆形"); } } class Rectangle : Graph { public double length { get; set; } public double width { get; set; } public override double Area() { return length * width; } public override void Draw() { Console.WriteLine("我是长方形"); } } class Program { static void Main(string[] args) { var c = new Circle { radius = 5 }; c.Draw(); Console.WriteLine(c.Area()); var r = new Rectangle{ length=10,width=5 }; r.Draw(); Console.WriteLine(r.Area()); Console.ReadKey(); } } }
有帮助麻烦点下【采纳该答案】,谢谢~~
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