using System;

​

namespace Practical_3

{

    class ParamPassing

    {

        public void SwapByValue(int x, int y)

        {

            int temp;

            temp = x;

            x = y;

            y = temp;

        }

        public void SwapByReference(ref int x, ref int y)

        {

            int temp;

            temp = x;

            x = y;

            y = temp;

        }

        public void OutParameter(int x, out int y)

        {

            y = x * x;

        }

        public void ParameterArray(params int[] a)

        {

            foreach(int s in a)

            {

                Console.WriteLine(s + "\t");

            }

        }

        public void ObjectParameterArray(params object[] a)

        {

            foreach (object s in a)

            {

                Console.WriteLine(s + "\t");

            }

        }

    }

   public  class Prac3B

    {

       public static void Main(string[] args)

        {

            ParamPassing pp = new ParamPassing();

            int a = 5, b = 3;

            Console.WriteLine("Before Swapping");

            Console.WriteLine("a = " + a + "\t b = " + b);

            pp.SwapByReference(ref a, ref b);

            Console.WriteLine("After Swapping");

            Console.WriteLine("a = " + a + "\t b = " + b);

            a = 5;

            Console.Write("Out Parameter = ");

            pp.OutParameter(a, out b);

            Console.WriteLine("b = "+b);

            Console.WriteLine("Parameter Array with 10 elements"); 

            pp.ParameterArray(10,23,44,35,65,76,88,97,45,66);

            Console.WriteLine("\n");

            Console.WriteLine("Parameter Array with 5 elements");

            pp.ParameterArray(10, 23, 35, 88, 66);

            Console.WriteLine("Object Parameter Array with 5 elements");

            pp.ObjectParameterArray(21, 23.44, 67.8889, 'n' ,"dombivli");

        }

    }

}