Happiness (param Array)

 using System;

using System.IO;

using System.Linq;

using System.Collections.Generic;

namespace CSharp_Shell

{

 public class Program

 {

  public static void Main()

  {

   int[] happiness = new int[5] { 100, 40, 70, 80, 20 };//Mine is 100

   printArray(happiness);

   //

   Console.WriteLine("\nAfter incremented by 2");

   increase2(ref happiness);

   printArray(happiness);

  }

  //

  //

  //This method increase the value of each entry by 2

  static void increase2(ref int[] happy)

  {

   int size = happy.Length;

   //

   for (int i = 0; i < size; i++)

   {

    happy[i] += 2;

   }

  }

  //

  //

  //This method used to print all values of array

  static void printArray(int[] happy)

  {

   Console.WriteLine("Happiness");

   foreach (int num in happy)

   {

    Console.WriteLine(num);

   }

  }

 }

}