using System;
using System.Collections.Generic;
public class SortTheWordsInAString_CSharp
{
public static string SortTheWordsInAString(string s) {
List<string> arr = new List<string>();
string[] tokens = s.Split(' ');
arr.AddRange(tokens);
arr.Sort();
System.Text.StringBuilder sb = new System.Text.StringBuilder();
foreach (string str in arr) {
sb.Append(str).Append(" ");
}
if (sb.Length > 0) {
sb.Length--; // Remove the last space
}
return sb.ToString();
}
public static void Main(string[] args)
{
string s = "php c java c++ python c#";
s = SortTheWordsInAString(s);
Console.WriteLine(s);
}
}
/*
run:
c c# c++ java php python
*/