static void Main(string[] args)
{
BinarySearchTree <int> newTree = new BinarySearchTree <int>();
newTree.Add(5);
newTree.Add(20);
newTree.Add(4);
newTree.Add(15);
newTree.Add(17);
newTree.Add(1);
newTree.Add(8);
newTree.Add(2);
newTree.Add(6);
newTree.Add(7);
newTree.DisplayIntNodePath(newTree, 7);
Console.WriteLine();
newTree.DisplayIntNodePath(newTree, 6);
Console.WriteLine();
newTree.DisplayIntNodePath(newTree, 20);
Console.WriteLine();
newTree.DisplayIntNodePath(newTree, 15);
Console.WriteLine();
newTree.DisplayIntNodePath(newTree, 3);
Console.WriteLine();
Console.WriteLine(newTree.IsIntInTree(newTree, 2));
Console.WriteLine(newTree.IsIntInTree(newTree, 21));
Console.WriteLine(newTree.IsIntInTree(newTree, 5));
Console.WriteLine(newTree.IsIntInTree(newTree, 6));
Console.ReadLine();
}