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   ► KBProgrammingC#Language Basics   Print This     
 
C# Language Basics:
C# Overloading (implicit)
 
Posted 11 years ago on 10/27/2008 and updated 1/17/2009
C# Code Snippet:
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 Tags: C# , Overloading

KB101459

General Info: Overloading

Types of overloading include method overloading and operator overloading.

Method Overloading is where different functions with the same name are invoked based on the data types of the parameters passed or the number of parameters. Method overloading is a type of polymorphism and is also known as Parametric Polymorphism.

Operater Overloading allows an operator to behave differently based on the types of values used. For example, in some languages the + operator is used both to add numbers and to concatenate strings. Custom operator overloading is sometimes referred to as ad-hoc polymorphism.

C# Overloading

C# supports both method and operator overloading.

For methods, C# supports implicit overloading (no need for an overload keyword).

C# Overloading Example

//Method Overloading
using System;

class Dog
{
    public virtual void Bark()
    {
          Console.WriteLine("RUFF!");
    }
}

class GermanShepard:Dog
{
    public override void Bark()
    {
          Console.WriteLine("Rrrrooouuff!!");
    }
}

class Chiuaua:Dog
{
    public override void Bark()
    {
          Console.WriteLine("ruff");
    }
}

class InclusionExample
{
    public static void Main()
    {
         Dog MyDog=new Dog();

         MyDog=new GermanShepard();
MyDog.Bark(); // prints Rrrrooouuff!!

MyDog=new Chiuaua();
         MyDog.Bark();  // prints ruff;
    }
}

More Info

Definition:  Overloading

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