How to concatenate Two Arrays in C#?

To concatenate two arrays in C#, let us first declare and initialize the array. Here, we have considered a string array −

string[] str = new string[] { "Hello","World" };

Now let us use the join() method to concatenate −.

string.Join(" ", str);

Now let us see the complete code to concatenate two arrays.

Example

 Live Demo

using System;

class Program {
   static void Main() {
      string[] str = new string[] { "Hello","World" };

      string res = string.Join(" ", str);
      Console.WriteLine(res);
   }
}

Output

Hello World