Listing 15-1 extracted from chapter Collections

Listing 14-50<     > Listing 15-2

This listing can be compiled with the command line:
csc.exe /target:exe Example_15_1.cs
Errors: 0 Warnings: 0

using System;
class Program {
   static void Main() {
      int[] arr = { 1, 3, 4, 8, 2 };
      // Compute the sum of items.
      int sum = 0;
      foreach ( int i in arr )
         sum += i;
      // Here the sum is equal to: 1+3+4+8+2 = 18
   }
}