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C# Member Overloading

C# Member Overloading for beginners and professionals with examples on overloading, method overriding, inheritance, aggregation, base, polymorphism, sealed, abstract, interface, namespaces, exception handling, file io, collections, multithreading, reflection etc.

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C# Member Overloading

If we create two or more members having same name but different in number or type of parameter, it is known as member overloading. In C#, we can overload:

  • methods,
  • constructors, and
  • indexed properties

It is because these members have parameters only.

C# Method Overloading

Having two or more methods with same name but different in parameters, is known as method overloading in C#.

The advantage of method overloading is that it increases the readability of the program because you don't need to use different names for same action.

You can perform method overloading in C# by two ways:

  1. By changing number of arguments
  2. By changing data type of the arguments

C# Method Overloading Example: By changing no. of arguments

Let's see the simple example of method overloading where we are changing number of arguments of add() method.

using System;
public class Cal{
    public static int add(int a,int b){
        return a + b;
    }
    public static int add(int a, int b, int c)
    {
        return a + b + c;
    }
}
public class TestMemberOverloading
{
    public static void Main()
    {
        Console.WriteLine(Cal.add(12, 23));
        Console.WriteLine(Cal.add(12, 23, 25));
    }
}

Output:

35
60

C# Member Overloading Example: By changing data type of arguments

Let's see the another example of method overloading where we are changing data type of arguments.

using System;
public class Cal{
    public static int add(int a, int b){
        return a + b;
    }
    public static float add(float a, float b)
    {
        return a + b;
    }
}
public class TestMemberOverloading
{
    public static void Main()
    {
        Console.WriteLine(Cal.add(12, 23));
        Console.WriteLine(Cal.add(12.4f,21.3f));
    }
}

Output:

35
33.7
Next TopicC# Method Overriding




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