//play with arrays 

    class playwitharrays
    {
        static void Main(string[] args)
        {
            string[] friends = new string[] { "John", "Amy", "Rose", "Lisa", "Alen" };

            //display elements of the array
            Console.WriteLine("Elements of String array");
            foreach (string str in friends)
                Console.Write(str+" ");

            Console.WriteLine();
            
            Console.WriteLine("Number of elements in the array: " + friends.Length);
            Console.WriteLine("This array is a " + friends.Rank + " dimensional array");

            //display elements of the array in reverse order
            Console.WriteLine("Elements of String array (reverse)");
            Array.Reverse(friends);
            foreach (string str in friends)
                Console.Write(str+" ");

            Console.WriteLine();

            //display elements of the array in sorted order
            Console.WriteLine("Elements of String array (sorted)");
            Array.Sort(friends);
            foreach (string str in friends)
                Console.Write(str+ " ");

            Console.ReadKey();               

        }
    }

Elements of String array
John Amy Rose Lisa Alen

Number of elements in the array: 5

This array is a 1 dimensional array

Elements of String array (reverse)
Alen Lisa Rose Amy John

Elements of String array (sorted)
Alen Amy John Lisa Rose