1: // @author Frank M. Carrano, Timothy M. Henry 2: // @version 5.0 4: public int getHeight() 5: { 6: int height = 0; 7: if (root != null) 8: height = root.getHeight(); 9: return height; 10: } // end getHeight 12: public int getNumberOfNodes() 13: { 14: int numberOfNodes = 0; 15: if (root != null) 16: numberOfNodes = root.getNumberOfNodes(); 17: return numberOfNodes; 18: } // end getNumberOfNodes