public class BinaryTree {
class TreeNode {
private String data;
private TreeNode leftNode;
private TreeNode rightNode;
public TreeNode(String data, TreeNode leftNode, TreeNode rightNode) {
this.data = data;
this.leftNode = leftNode;
this.rightNode = rightNode;
}
public String getData() {
return data;
}
public void setData(String data) {
this.data = data;
}
public TreeNode getLeftNode() {
return leftNode;
}
public void setLeftNode(TreeNode leftNode) {
this.leftNode = leftNode;
}
public TreeNode getRightNode() {
return rightNode;
}
public void setRightNode(TreeNode rightNode) {
this.rightNode = rightNode;
}
}
}