java 统计String字符串中字符的数量
想起String中没有这种统计的方法，之前有看到过这个问题，有点兴趣，写一下思路： 定义一个String 然后把String 转成char数组 定义一个hashmap 然后遍历出char数组的数据，然后在hashmap里找对应的key，如果没有，put进map，如果有，在原来值 ...
原文：[LeetCode] Number of Segments in a String 字符串中的分段数量
Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non space characters. Please note that the string does not contain any non printable characters. Ex ...
2016-12-06 14:07 3 4235 推荐指数：
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