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C# Abstract class and method
//Rextester.Program.Main is the entry point for your code. Don't change it. //Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5 using System; using System.Collections.Generic; using System.Linq; using System.Text.RegularExpressions; namespace Rextester { abstract class Shape // abstract class { public abstract void Display(); // abstract method, declaration of method, can only be implemented in derived class public void Draw() // abstract class can also contain non-abstract methods, but cannot be overridden in derived classes { Console.WriteLine("Draw"); } } class Circle : Shape { public override void Display() { Console.WriteLine("Display implemented in Circle"); } } public class Program { public static void Main(string[] args) { Circle c1 = new Circle(); c1.Display(); c1.Draw(); } } }
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