private static void HashTableTest(IEnumerable<string> words)
{
var table = new HashTable<string, int>();
foreach (var word in words)
{
if (table.ContainsKey(word))
{
table[word]++;
}
else
{
table.Add(word, 1);
}
}
var wordsWithSevenLetters = table.Where(word => word.Key.Length == 7).Select(item => item.Key).ToArray();
foreach (var sevenLetterWord in wordsWithSevenLetters)
{
table.Remove(sevenLetterWord);
}
}