public class TreeMain {
    
    public static void main(String[] args) {
        Tree tree = new Tree();
    
        // Add Treenodes to the tree
        tree.root = new TreeNode(1);
        tree.root.left = new TreeNode(2);
        tree.root.right = new TreeNode(3);
        tree.root.left.left = new TreeNode(4);
        tree.root.left.right = new TreeNode(5);
        tree.root.right.left = new TreeNode(6);
        tree.root.right.right = new TreeNode(7);
        tree.root.right.right.right = new TreeNode(7);
    
        // Find the deepest Treenode
        int deepestTreeNode = tree.findDeepestNode(tree.root, 0);
        System.out.println("The depth of the deepest Treenode in the tree is: " + deepestTreeNode);
    }
      
}