344. Reverse String LeetCode 解题

public class Solution {
    public String reverseString(String s) {
        char[] sArray = s.toCharArray();
        int length = sArray.length;     
        for (int i = 0; i < length/2; i ++) {
            char temp = sArray[i];
            int position = length - 1 - i;
            sArray[i] = sArray[position];
            sArray[position] = temp;
        }
        return new String(sArray);
    }
}