每天一道LeetCode--344. Reverse String

Write a function that takes a string as input and returns the string reversed.

Example:
Given s = "hello", return "olleh".

 

public class Solution {
    public String reverseString(String s) {
        StringBuilder sb=new StringBuilder();
        sb.append(s);
        return sb.reverse().toString();
    }
}

 

转载于:https://www.cnblogs.com/xiaoduc-org/p/6096571.html