public int depthRight() { if (right != null) { return(right.depth() + 1); } return(0); }
public int depthLeft() { if (left != null) { return(left.depth() + 1); } return(0); }
public int depthRight() { if (right != null) { return(right.depth() + 1); } return(0); }
public int depthLeft() { if (left != null) { return(left.depth() + 1); } return(0); }