out & ref | C#

public static string GetNextName(ref int id) { string returnText = "Next-" + id.ToString(); id += 1; return returnText; } static void Main(string[] args) { int i = 1; Console.WriteLine("Previous value of integer i:" + i.ToString()); string test = GetNextName(ref i); Console.WriteLine("Current value of integer i:" + i.ToString()); }