Join method from string type is a static method which concatenate an array of string with delimiter.
It does the opposite of Split method.
using System;
class Sample
{
public static void Main()
{
string[] arr = new string[] { "RNT", "soft", ".com" };
string s = string.Join(" ", arr);
Console.WriteLine(s);
}
}
The output:
RNT soft .com