(TreeNode node)
| 74 | } |
| 75 | |
| 76 | private static <T extends Comparable<?>> int maxLevel(TreeNode node) { |
| 77 | if (node == null) |
| 78 | return 0; |
| 79 | |
| 80 | return Math.max(BTreePrinter.maxLevel(node.left), BTreePrinter.maxLevel(node.right)) + 1; |
| 81 | } |
| 82 | |
| 83 | private static <T> boolean isAllElementsNull(List<T> list) { |
| 84 | for (Object object : list) { |