Algorithm

Method overloading in C# allows you to define multiple methods with the same name in the same class or different classes within the same inheritance hierarchy. These methods must have different parameter lists. Overloaded methods provide flexibility and make your code more readable.

 

Code Examples

#1 By changing the Number of Parameters in C#

Code - C# Programming

using System;

namespace MethodOverload {

  class Program {  

    // method with one parameter
    void display(int a) {
      Console.WriteLine("Arguments: " + a);
    }
 
    // method with two parameters
    void display(int a, int b) {
      Console.WriteLine("Arguments: " + a + " and " + b);
    } 
    static void Main(string[] args) {

      Program p1 = new Program();
      p1.display(100);
      p1.display(100, 200);
      Console.ReadLine();
    }
  }
}
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Output

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–
+
cmd
Arguments: 100
Arguments: 100 and 200

#2 By changing the Data types of the parameters in C#

Code - C# Programming

using System;

namespace MethodOverload {

  class Program {  

    // method with int parameter
    void display(int a) {
      Console.WriteLine("int type: " + a);
    } 

    // method with string parameter
    void display(string b) {
      Console.WriteLine("string type: " + b);
    } 
    static void Main(string[] args) {

      Program p1 = new Program();
      p1.display(100);
      p1.display("DevsEnv");
      Console.ReadLine();
    }
  }
}
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Output

x
–
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cmd
int type: 100
string type: DevsEnv

#3 By changing the Order of the parameters in C#

Code - C# Programming

using System;

namespace MethodOverload {

  class Program {  

    // method with int and string parameters 
    void display(int a, string b) {
      Console.WriteLine("int: " + a);
      Console.WriteLine("string: " + b);
    } 

    // method with string andint parameter
    void display(string b, int a) {
      Console.WriteLine("string: " + b);
      Console.WriteLine("int: " + a);
    } 
    static void Main(string[] args) {

      Program p1 = new Program();
      p1.display(100, "Programming");
      p1.display("DevsEnv", 400);
      Console.ReadLine();
    }
  }
}
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Output

x
–
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cmd
int: 100
string: Programming
string: DevsEnv
int: 400
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Demonstration

C# Programming Method Overloading