import java.util.*; public class BinaryTree { private Node root; // constructor and other methods here... public int getX(Node node) { return node.getX(); } public static void main(String[] args) { BinaryTree tree = new BinaryTree(); // add nodes to the tree... Node node = tree.getRoot().getLeftChild(); int x = tree.getX(node); System.out.println("X-coordinate of node is: " + x); } }This code is likely part of a larger library or package related to tree data structures, such as javax.swing.tree or java.util.tree.