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  • 腾讯// 反转字符串

    编写一个函数,其作用是将输入的字符串反转过来。

    示例 1:

    输入: "hello"
    输出: "olleh"
    

    示例 2:

    输入: "A man, a plan, a canal: Panama"
    输出: "amanaP :lanac a ,nalp a ,nam A"
    class Solution {
        public String reverseString(String s) {
            String res = "";
            char[] cs = s.toCharArray();
            for(int i = cs.length-1; i >= 0; i--){
                res += cs[i];
            }
            return res;
        }
    }
    class Solution {
        public String reverseString(String s) {
            String res = "";
            for(int i = s.length()-1; i >= 0; i--){
                res += s.charAt(i);
            }
            return res;
        }
    }
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  • 原文地址:https://www.cnblogs.com/strawqqhat/p/10602493.html
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