C# Params Keyword with Examples

In C#, “params” is a keyword used in method parameter to indicate that a method can accept a different number of parameters of the same type. This feature is often used when you want to create methods that can accept an undecided number of parameters.

C# Params Keyword with Examples

Params in C# with Example One

using System;
public class Program
{
  public static void Main(string[] args)
  {
    Program program = new Program(); // Creating Object
    program.ExampleMethod(1, 2, 3); // You can pass multiple integers as arguments
    program.ExampleMethod(4); // You can pass a single integer
    program.ExampleMethod(); // You can even call it with no arguments
  }

  public void ExampleMethod(params int[] numbers)
  {
    foreach (int num in numbers)
    {
      Console.WriteLine(num);
    }
  }
}

Output

1
2
3
4

Params in C# with Example Two

using System;
public class Program
{
  public static void Main(string[] args)
  {
    Program program = new Program(); // Creating Object
    program.AnotherExampleMethod("Hello", 1, "World", true);
  }

  public void AnotherExampleMethod(string message, params object[] values)
  {
    Console.WriteLine(message);
    foreach (object val in values)
    {
      Console.WriteLine(val);
    }
  }
}