how to import binary search tree class to this code?

     "public class Dictionary {        private Node root; // This is the root node of the Binary Search Tree            // Constructor to initialize the root node to null        public Dictionary() {            root = null;        }            // Method to add a new entry to the dictionary        public void addEntry(String key, String value) {            Node newNode = new Node(key, value); // Create a new node with the given key and value            if (root == null) { // If the root is null, this is the first node to be added to the tree                root = newNode; // Set the root to be the new node            } else { // If the root is not null, we need to traverse the tree to find the correct position for the new node                Node current = root; // Start at the root of the tree                Node parent;                while (true) { // Loop indefinitely until we find the correct position for the new node                    parent = current; // Set the parent node to the current node                    if (key.compareTo(current.getKey()) < 0) { // If the key is less than the current node's key, move to the left child                        current = current.getLeftChild();                        if (current == null) { // If the left child is null, we've found the correct position for the new node                            parent.setLeftChild(newNode); // Set the left child of the parent node to be the new node                            return; // Exit the method                        }                    } else { // If the key is greater than or equal to the current node's key, move to the right child                        current = current.getRightChild();                        if (current == null) { // If the right child is null, we've found the correct position for the new node                            parent.setRightChild(newNode); // Set the right child of the parent node to be the new node                            return; // Exit the method                        }                    }                }            }        }            // Method to search for an entry in the dictionary        public String search(String key) {            Node current = root; // Start at the root of the tree            while (current != null && !current.getKey().equals(key)) { // Loop while the current node is not null and its key does not match the search key                if (key.compareTo(current.getKey()) < 0) { // If the key is less than the current node's key, move to the left child                    current = current.getLeftChild();                } else { // If the key is greater than or equal to the current node's key, move to the right child                    current = current.getRightChild();                }            }            if (current == null) { // If we've reached the end of the tree without finding the search key, return null                return null;            } else { // If we've found the node with the search key, return its value                return current.getValue();            }        }            // Method to print the entire dictionary in alphabetical order        public void printDictionary() {            printTree(root); // Call the recursive printTree method with the root of the tree as the starting point        }            // Recursive method to print the tree in alphabetical order        private void printTree(Node root) {            if (root != null) { // If the root node is not null, there are still nodes to print                printTree(root.getLeftChild()); // Recursively print the left subtree                System.out.println(root.getKey() + " : " + root.getValue()); // Print the current node's key and value                printTree"

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To import a binary search tree class into your existing code you would typically place the binary search tree class definition in a separate file Then ... View the full answer