using System;
using System.Collections;
public class Program
{
public static void Main()
{
Hashtable ht = new Hashtable();
ht.Add("c", "c#");
ht.Add("a", "c++");
ht.Add("d", "java");
ht.Add("e", "c");
ht.Add("b", "php");
ht.Remove("d");
foreach(DictionaryEntry de in ht) {
Console.WriteLine("{0}: {1} ", de.Key, de.Value);
}
}
}
/*
run:
a: c++
b: php
c: c#
e: c
*/