345.反转字符串中的元音字母

class Solution {public String reverseVowels(String s) {int len = s.length();if(len < 2){return s;}char[] charArray = s.toCharArray();int left = 0,right = len - 1;while(true){while(left < len && checkVowels(charArray[left])){left++;}while(right >= 0 && checkVowels(charArray[right])){right--;}if(left < right){swap(charArray,left,right);left++;right--;}else{break;}}return new String(charArray);}private void swap(char[] chars,int n ,int m){char tmp = chars[n];chars[n] = chars[m];chars[m] = tmp;}private boolean checkVowels(char c){return c!='a' && c!='e' && c!='i' && c!='o' && c!='u' && c!='A' && c!='E'&&c!='O'&&c!='I'&&c!='U';}
}