Example : 1

using System;
//csc array_single.cs
class test
{
public static void Main()
{
//int[ , ] a = new string[2, 2];
string[] b = {"a","b","c","d"};
int [] x = {1,2,3,4,5};
foreach(string s in b){ Console.Write(s + " " );}
Console.WriteLine();
Console.WriteLine("lenght of b = {0}",b.Length);
for(int i=0; i<x.Length; i++) {Console.Write("{0}{1}", x[i], " : ");}
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("a: " + a.Rank );
Console.WriteLine("b: " + b.Rank );
Console.ReadLine();

}
}