Implementing Polymorphism

Prabhukiran345
Posted by Prabhukiran345 under C# category on | Points: 40 | Views : 572
/* The given C sharp example decalres abstract class Shape that implements polymorpism by overloading and overridding methods. The clas Shape2 consists of a virtual method ShapeType() . The method CalculateArea() is implemented twice by having different signatures and different return types. The class Square inherits the base class Shape2 and overrides the base class method called ShapeType() . The main() method creates an instance of the derieved class Square and the base class Shape2. the instance of the base class Shape2 invokes the method CalculateArea() . Depending on the parameter that the method CalcualteArea() takes, the apropiate method is called.*/
using System;

namespace Inherit
{
class Shape2
{
public virtual void ShapeType()
{
Console.WriteLine("This message will be used to display type of the shape");
}
public int CalculateArea(int side)
{
return side * side;
}
public double CalculateArea(double baseBreadth, double height)
{
return 05 * baseBreadth * height;
}
}
class Square :Shape2
{
public override void ShapeType()
{
Console.WriteLine("A square is a Polygon");
}
public static void Main(string[] args)
{
Square sqr = new Square();
sqr.ShapeType();
Console.WriteLine("Area IS : "+sqr.CalculateArea(6));
}
}
}


Output:
A square is a Polygon
Area IS : 36

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