BinaryNode.java

public class BinaryNode {
    private BinaryNode left;
    private BinaryNode right;
    private int x, y;
    public int value;
    private boolean isNull;
    public BinaryNode(int v) {
        value = v;
        isNull = false;
    }
    public BinaryNode() {
    	isNull = true;
    }
    public String toString()
    {
        String temp = "Value:"+value+", Left:"+(left==null?null:left.value)+", Right:"+(right==null?null:right.value);
        return temp;
    }
    public BinaryNode getLeft() {
        return left;
    }
    public BinaryNode getRight() {
        return right;
    }
    public int getValue() {
        return value;
    }
    public void setLeft(BinaryNode n) {
        left = n;
    }
    public void setRight(BinaryNode n) {
        right = n;
    }
    public void setValue(int v) {
        value = v;
    }
    public void setX(int x) {
    	this.x = x;
    }
    public void setY(int y) {
    	this.y = y;
    }
    public int getX() {
    	return x;
    }
    public int getY() {
    	return y;
    }
    public boolean isNull() {
    	return isNull;
    }
}