CSHARP

c# join string array

var combined = String.Join(",", new String[]{"a","b"});
// a,b

c# join Array

var arr1 = new int[]{1,2,3,4,5,6};
var arr2 = new int[]{7,8,9,0};
var joinedArray = arr1.Concat(arr2);

c# array.join

using System;
public class Demo {
   public static void Main(string[] args) {
      string[] strArr = {"AB", "BC", "CD", "DE", "EF", "FG", "GH", "IJ" };
      Console.WriteLine("String Array...");
      foreach(string s in strArr) {
         Console.WriteLine(s);
      }
      string str = string.Join("*", strArr);
      Console.WriteLine("Result (after joining) = " + str);
   }
}

join array element in c#

public static string Join(string separator, params obj[] array);

object[] array = {"Hello", 12345, 786};

string s1 = string.Join(", ", array);

c# join array

using System.Linq;

namespace Program
{
    public class Program
    {
      string[] cLangs = { "Langs","C", "C++", "C#" };
      // String join will just join the array with a comma and a whitespace
      // Using Linq, the skip method will skip x (called count in the parameter) number elements you tell it to
      Console.WriteLine(string.Join(", ", cLangs.Skip(1).ToArray())); // Output: C, C++, C#
    }
}

C# String.Join

List<string> names = new List<string>() { "John", "Anna", "Monica" };
var result = String.Join(", ", names.ToArray());