Question

How to convert a HashSet to an array in C#

Answer 1

using System;
using System.Collections.Generic;
 
class Program
{
    static void Main() {
        HashSet<string> hset = new HashSet<string> {"c#", "vb.net", "c", "c++", "python"};
         
        string[] array = new string[hset.Count];
 
        hset.CopyTo(array);
          
        Console.WriteLine(string.Join(", ", array));
    }
}
 
 
 
 
/*
run:
 
c#, vb.net, c, c++, python
 
*/

 

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Answer 2

using System;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static void Main() {
        HashSet<string> hset = new HashSet<string> {"c#", "vb.net", "c", "c++", "python"};
        
        string[] array = hset.ToArray();

        hset.CopyTo(array);
         
        Console.WriteLine(string.Join(", ", array));
    }
}




/*
run:

c#, vb.net, c, c++, python

*/

 

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