转换成小写字母"/>
Leetcode-709. 转换成小写字母
709. 转换成小写字母
用空间换时间,设置一个字符数组存放小写字母,遍历一般字符串,判断遇到大写字母的时候进行替换
class Solution {char[] low = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};public String toLowerCase(String s) {char [] chars = s.toCharArray();for (int i=0;i<chars.length;i++){if (chars[i] >= 'A' && chars[i] <= 'Z'){chars[i] = low[chars[i]-'A'];}}return String.valueOf(chars);}
}
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Leetcode-709. 转换成小写字母
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