private void delete_red_leaf(TreeNode node, boolean needDel) 最后就是最麻烦的删除的删除黑色叶子(非Nil)节点的情况,找出兄弟节点,找出远侄子节点,找出近侄子节点。 private void delete_black_leaf(TreeNode node, boolean needDel) 删除叶子节点包含了另外一个参数booleanneedDel,因为上面提到的有些情况需要继续...
TreeNode parent=node.getParent();while(null!= parent && parent.getColor() ==NodeColor.RED) {//parent should not be root for root node must be blackbooleanuncleInRight = parent.getParent().getLeft() ==parent; TreeNode uncle= uncleInRight ?parent.getParent().getRight() : parent.getParent...
/** * Java 语言: 红黑树 * * @author skywang * @date 2013/11/07 */ public class RBTree<T extends Comparable<T>> { private RBTNode<T> mRoot; // 根结点 private static final boolean RED = false; private static final boolean BLACK = true; public class RBTNode<T extends Comparable<T...
1、概念 红黑树(Red-Black Tree)是一种自平衡二叉查找树,是在计算机科学中用到的一种数据结构, 典型的用途是实现关联数组。它是在1972年由Rudolf Bayer发明的,他称之为"对称二叉B树",它现代的名字是在 Leo J. Guibas 和 Robert Sedgewick 于1978年写的一篇论文中获得的。它是复杂的,但它的操作有着良好的最...
Red-Black Trees(红黑树) (TreeMap底层的实现就是用的红黑树数据结构) 探索equals()和hashCode()方法 (TreeMap/TreeSet实现使用到的核心方法) java中的HashTable,HashMap和HashSet (同为java集合类,对比下他们的区别) java中Map,List与Set的区别 (TreeMap/TreeSet最主要的区别就是分别实现了Map和Set接口) ...
publicclassRedBlackTree<KeyextendsComparable<Key>,Value> { privatestaticfinalbooleanRED=true; privatestaticfinalbooleanBLACK=false; privateNoderoot;//头节点 privateclassNode{ Keykey;//用来比较的键 Valuevalue;//用来保存真正的值 Nodeleft, right;//左右子节点 ...
First choice for BST is a Red-Black tree as it is most universal data structure. However if your tree will be used mostly for search then take a look at AVL tree. If mostly the same elements are retrieved again and again then Splay tree can be even better. If sometimes there is a ...
To improve the performance, when the number of nodes reaches a threshold (default is 8), the LinkedList is converted to RedBlack Tree. When the number of nodes decreases below a threshold (default 6), the tree is converted back to LinkedList. You can read this article to understand the ...
有人说, 有些面试题很变态,个人认为其实是因为我们基础不扎实或者没有深入。本篇文章来自一位很资深的前辈对于最近java面试题目所做的总结归纳,有170道题目 ,知识面很广 ,而且这位前辈对于每个题都自己测试给出了答案 ,如果你对某个题有疑问或者不明白,可以把题目复制下来然后发表评论,大家一起探讨 以下内容...
Pressing the red stop button in the SDK user interface or closing the SDK does not stop the application running in the emulator. Applications usually provide a way to terminate. For example, most of the samples offer an Exit soft key, or an option in the soft menu. You can close the ...