package com.coding.basic; public class BinaryTreeNode { private Object data; private BinaryTreeNode left; private BinaryTreeNode right; public Object getData() { return data; } public void setData(Object data) { this.data = data; } 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) { if (o < this.data) { if (this.left != null) { this.left.insert(o); } else { BinaryTreeNode node = new BinaryTreeNode(); node.data = o; this.left = node; } } if (o > this.data) { if (this.right != null) { this.right.insert(o); } else { BinaryTreeNode node = new BinaryTreeNode(); node.data = o; this.right = node; } } return this; } }