33 lines
952 B
C#
33 lines
952 B
C#
using System;
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class Point
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{
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protected int x, y;
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public Point() : this(0) {}
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public Point(int x) : this(x,0) {}
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public Point(int x, int y) { this.x = x; this.y = y; }
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public int X { get { return x; } set { x = value; } }
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public int Y { get { return y; } set { y = value; } }
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public virtual void print() { System.Console.WriteLine("Point"); }
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}
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public class Circle : Point
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{
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private int r;
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public Circle(Point p) : this(p,0) { }
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public Circle(Point p, int r) : base(p) { this.r = r; }
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public Circle() : this(0) { }
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public Circle(int x) : this(x,0) { }
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public Circle(int x, int y) : this(x,y,0) { }
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public Circle(int x, int y, int r) : base(x,y) { this.r = r; }
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public int R { get { return r; } set { r = value; } }
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public override void print() { System.Console.WriteLine("Circle"); }
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public static void main(String args[])
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{
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Point p = new Point();
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Point c = new Circle();
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p.print();
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c.print();
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}
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}
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