LeetCode – 345. Reverse Vowels of a String

Write a function that takes a string as input and reverse only the vowels of a string.

Example 1:
Given s = “hello”, return “holle”.

Example 2:
Given s = “LeetCode”, return “leotcede”.

Note:
The vowels does not include the letter “y”.

Enough said, similar questions:https://blog.jing.do/4766

public class Solution { public String reverseVowels(String s) { if(s == null || s.length()==0) return s; String vowels = 'aeiouAEIOU'; char[] chars = s.toCharArray(); int start = 0; int end = s.length()-1; while(start 
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Original author:Jake Tao,source:"LeetCode – 345. Reverse Vowels of a String"