C# Tutorial for Beginners 17 - Class Inheritance in C#

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using System; namespace MyProject.Examples { class Polygon { public Polygon() { Console.WriteLine("We are in Base class"); } public int width, height; public void setVlues(int a, int b) { this.width=a; this.height=b; } } class Rectangle : Polygon { public Rectangle() { Console.WriteLine("We are in Derived Rectaange class"); } public int area() { return width * height; } } class Triangle : Polygon { public int area() { return width * height/2; } } class ExampleOne { public static void Main() { Rectangle rect = new Rectangle(); Triangle trig = new Triangle(); rect.setVlues(10,20); trig.setVlues(30,20); Console.WriteLine("Rectangle area = {0}", rect.area()); Console.WriteLine("Triangle area = {0}", trig.area()); Console.ReadKey(); } } }

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