public void SetRight(Node right) { _right = right; _right.setParent(this); }
public void SetLeft(Node left) { _left = left; _left.setParent(this); }
public void SetRight(Node right) { _right = right; _right.setParent(this); }
public void SetLeft(Node left) { _left = left; _left.setParent(this); }