Usage of Finally block to Close a StreamWriter

using System.IO;

namespace ConsoleApplication4
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            StreamWriter inputFile = new StreamWriter("inputfile.txt");
            try
            {
                inputFile.WriteLine("Friends");
            }
            finally
            {
                if (inputFile != null)
                {
                    inputFile.Close();
                }
            }
        }
    }
}