public class Solution {
public String[] findWords(String[] words) {
String regex="[qwertyuiop]*|[asdfghjkl]*|[zxcvbnm]*";
String a;
ArrayList<String> list = new ArrayList<>();
for(int i=0;i<words.length;i++){
a = words[i].toLowerCase();
if(a.matches(regex)) list.add(words[i]);
}
return list.toArray(new String[0]);//若直接返回list报错，必须转化下
}
}
题目： Given a List of words, return the words that can be t...
题目地址 https://leetcode.com/problems/keyboard-row/[https://...
原题地址: https://leetcode.com/problems/keyboard-row/descript...
题目 问题链接：https://leetcode.com/problems/keyboard-row/#/desc...
500. 键盘行[https://leetcode-cn.com/problems/keyboard-row/] ...
啊呀窝草。。尼玛JAVA写的真是烦啊，还不如去写Python算了，人家五六行我得30行。
Given a List of words, return the words that can be typed...
题目 出处Given a List of words, return the words that can be ...
解法一 使用HashMap 之所以会想到用HashMap是因为对于每个字母，若使用HashMap的方式去查找只有O...
本文标题：LeetCode500. Keyboard Row(ArrayL
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