[编程题] 反转字符串--精选面试题

Posted 2020-12-14 jiyongjia

反转字符串

题目描述

示例

Java代码

class Solution {
    //思想：前后位置交换
    public void reverseString(char[] s) {
        //标记数组首
        int left = 0;
        //标记数组尾
        int right = s.length-1;
        //临时变量，初始化赋值为‘0‘
        char temp=‘0‘; 
        while(left<=right){
            temp = s[left];
            s[left] = s[right];
            s[right] = temp;
            //自增
            left++;
            right--;
        }
    }
}

输出