Mega Code Archive
0144 Abstract class
<![CDATA[
Abstract class can have abstract members.
Abstract method have no method body.
Abstract class declares a blue print for a type.
Abstract class cannot be instantiated.
using System;
abstract class Shape
{
public abstract int GetArea();
}
class Rectangle : Shape
{
public int width;
public int height;
public override int GetArea()
{
return width * height;
}
}
class Program
{
static void Main(string[] args)
{
Rectangle r = new Rectangle();
r.width = 5;
r.height = 6;
Console.WriteLine(r.GetArea());
}
}
The output:
30
]]>