package com.coding.basic; public class BinaryTreeNode { private Object date; private BinaryTreeNode left; private BinaryTreeNode right; public Object getDate() { return date; } public void setDate(Object date) { this.date = date; } public BinaryTreeNode getLeft() { return left; } public void setLeft(BinaryTreeNode left) { this.left = left; } public BinaryTreeNode getRight() { return right; } public void setRight(BinaryTreeNode right) { this.right = right; } public BinaryTreeNode insert(Object o){ return null; } }