How to Get a Comma Separated String From an Array in C#?

// C# program to display the comma separated
// string from an array 
using System;

class GFG{

public static void Main()
{
    
    // Creating an array of string elements
    String[] names = { "sireesha", "priyank", 
                       "ojaswi", "gnanesh" };
                       
    // Join the elements separated by comma
    // Using Join() method
    var str1 = String.Join(",", names);
    
    // Display the final string
    Console.WriteLine(str1);
}
}

// C# program to display the comma separated
// string from an array 
using System;
using System.Linq;

// MyEmployee class
class MyEmployee
{
    public string First_Name { get; set; }
    public string Last_Name { get; set; }
}

class GFG{

public static void Main()
{
    
    // Creating object array of MyEmployee
    MyEmployee[] e = {
        new MyEmployee(){ First_Name = "Sumi", Last_Name = "Goyal" },
        new MyEmployee(){ First_Name = "Mohan", Last_Name = "Priya" },
        new MyEmployee(){ First_Name = "Sumit", Last_Name = "Singh" }
    };
    
    // Join the elements separated by comma
    // Using Join() method
    var res = String.Join(",", e.Select(m => m.First_Name));
    
    // Display the final result
    Console.WriteLine("Final String:" + res);
}
}