// statements_while.cs
using System;
class WhileTest 
{
    static void Main() 
    {
        int n = 1;
        while (n < 6) 
        {
            Console.WriteLine("Current value of n is {0}", n);
            n++;
        }
    }
}

output:
Current value of n is 1
Current value of n is 2
Current value of n is 3
Current value of n is 4
Current value of n is 5


// statements_while_2.cs
using System;
class WhileTest 
{
    static void Main() 
    {
        int n = 1;
        while (n++ < 6) 
        {
            Console.WriteLine("Current value of n is {0}", n);
        }
    }
}

output:
Current value of n is 2
Current value of n is 3
Current value of n is 4
Current value of n is 5
Current value of n is 6