344. Reverse String java

https://leetcode.com/problems/reverse-string/

Reverse String - LeetCode

# 투포인터를 이용한 스와핑

class Solution {
    public void reverseString(char[] s) {
        int left = 0, right = s.length-1;
        while (left < right) {
            char temp = s[right];
            s[right] = s[left];
            s[left] = temp;
            left++;
            right--;
        }
    }
}