string join

CSharp · Console

/Program.cs

using System;
					
public class Program
{
	public static void Main()
	{
		Console.WriteLine("--");
		Console.WriteLine("|-> " + string.Join(" ", new object[] { null, "a", null, "b"}) );
		Console.WriteLine("|-> " + string.Join(" ", new string[] { null, "a", null, "b"}) );
		Console.WriteLine("|-> " + string.Join(" ", new object[] { null, 'a', null, 'b'}) );
		Console.WriteLine("|-> " + string.Join(" ", new object[] { ((char?)null), 'a', null, 'b'}) );
		Console.WriteLine("--");
	}
}