C# Concept of using Parmas

C# Concept of using Parmas

using System;

namespace ConsoleApplicationSample

{

    class ArrayBCA

    {

        #region Parmas

        public static void UseParams(params int[] list)

        {

            for (int i = 0; i < list.Length; i++)

            {

                Console.Write(list[i] + " ");

            }

            Console.WriteLine();

        }

        public static void UseParams2(params object[] list)

        {

            for (int i = 0; i < list.Length; i++)

            {

                Console.Write(list[i] + " ");

            }

            Console.WriteLine();

            Console.ReadKey();

        }

        static void Main()

        {

            // You can send a comma-separated list of arguments of the

            // specified type.

            UseParams(1, 2, 3, 4);

            UseParams2(1, 'a', "test");

            // A params parameter accepts zero or more arguments.

            // The following calling statement displays only a blank line.

            UseParams2();

            // An array argument can be passed, as long as the array

            // type matches the parameter type of the method being called.

            int[] myIntArray = { 5, 6, 7, 8, 9 };

            UseParams(myIntArray);

            object[] myObjArray = { 2, 'b', "test", "again" };

            UseParams2(myObjArray);

            // The following call causes a compiler error because the object

            // array cannot be converted into an integer array.

            //UseParams(myObjArray);

            // The following call does not cause an error, but the entire

            // integer array becomes the first element of the params array.

            UseParams2(myIntArray);

           #endregion

        }       

    }

}

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