public static void main(String[] args) {
int[] nums = {1, 2, 3, 4, 5, 6, 7, 8, 9};
BinarySearchTreeNode rootNode = construct(nums, 0, nums.length - 1);
InOrderPrint.display(rootNode);
}
public static void main(String[] args) {
BinarySearchTreeNode rootNode = BinarySearchTree.createBinarySearchTree();
int k1 = 50;
int k2 = 145;
checkNode(rootNode, k1, k2);
// In order print
InOrderPrint.display(rootNode);
}