今天下午看见一条推 RT: @rtmeme: RT @foxzzz RT @junyu: 看到 @windbreaker 老师在Buzz说：今天是植树节，写一棵二叉树庆祝之 (via @yangfannet) 于是兴起，花了半个多小时写了棵自认为（从工程而非算法上）比较牛逼的排序二叉树 package com.jayxu; import java.util.Iterator; import java.util.Random; import java.util.Stack; /** * * @author ijay */ public class BinaryTree implements Iterable { private static final char[] FIRST_CHAR = {‘B’, ‘C’, ‘K’, ‘F’, ‘D’, ‘G’}; private static final char[] FOLLOWING_CHAR = {‘a’, ‘k’, ‘l’, ‘p’, read more »