C# String Concat(IEnumerable)

Description

String Concat(IEnumerable <string>) concatenates the members of a constructed IEnumerable collection of type String.

Syntax

String.Concat(IEnumerable<String>) has the following syntax.


[ComVisibleAttribute(false)]
public static string Concat(
  IEnumerable<string> values
)

Parameters

String.Concat(IEnumerable<String>) has the following parameters.

values - A collection object that implements IEnumerable and whose generic type argument is String.

Returns

String.Concat(IEnumerable<String>) method returns The concatenated strings in values.

Example

The following code shows how to use String.Concat(IEnumerable<String>) method.


using System;/*w ww .j  a  v  a 2s .  c  o m*/
using System.Collections.Generic;
using System.Linq;

public class Example
{
   public static void Main()
   {
      string output = String.Concat( GetAlphabet(true).Where( letter => 
                      letter.CompareTo("M") >= 0));
      Console.WriteLine(output);  
   }

   private static List<string> GetAlphabet(bool upper)
   {
      List<string> alphabet = new List<string>();
      int charValue = upper ? 65 : 97;
      for (int ctr = 0; ctr <= 25; ctr++)
         alphabet.Add(Convert.ToChar(charValue + ctr).ToString());
      return alphabet; 
   }
}

The code above generates the following result.