static void Main(string[] args)
{
BinarySearchTree <string> tree =
new BinarySearchTree <string>();
tree.Insert("Telerik");
tree.Insert("Google");
tree.Insert("Microsoft");
tree.PrintTreeDFS(); //Google Microsoft Telerik
Console.WriteLine(tree.Contains("Telerik")); //True
Console.WriteLine(tree.Contains("IBM")); //False
tree.Remove("Telerik");
Console.WriteLine(tree.Contains("Telerik")); //False
tree.PrintTreeDFS(); //Google Microsoft
Console.ReadLine();
}
