Question

How to concatenate list items into a string in C#

Answer 1

using System;
using System.Text;

class Program
{
    static void Main() {
        var list = new List<string>() {"C#", "VB", "C", "C++", "Java"};

        StringBuilder sb = new StringBuilder();
        
        foreach(var value in list) {
            sb.Append(value);
        }
        
        Console.WriteLine(sb);
    }
}



 
/*
run:
 
C#VBCC++Java
 
*/

 

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Answer 2

using System;

class Program
{
    static void Main() {
        var list = new List<string>() {"C#", "VB", "C", "C++", "Java"};

        String str = String.Join(",", list);
        
        Console.WriteLine(str);
    }
}



 
/*
run:
 
C#,VB,C,C++,Java
 
*/

 

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