[LeetCode]151. Reverse Words in a String
2017-03-09 22:58
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https://leetcode.com/problems/reverse-words-in-a-string/?tab=Description
反转单词
public class Solution {
public String reverseWords(String s) {
StringBuilder sb = new StringBuilder();
// 避免string之中空格的情况,先trim一下
String[] arr = s.trim().split("\\s+");
for (int i = arr.length - 1; i > 0; i--) {
sb.append(arr[i] + " ");
}
return sb.toString() + arr[0];
}
}
反转单词
public class Solution {
public String reverseWords(String s) {
StringBuilder sb = new StringBuilder();
// 避免string之中空格的情况,先trim一下
String[] arr = s.trim().split("\\s+");
for (int i = arr.length - 1; i > 0; i--) {
sb.append(arr[i] + " ");
}
return sb.toString() + arr[0];
}
}
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