344. Reverse String Java Solutions

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

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

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 1 public class Solution {
 2     public String reverseString(String s) {
 3         if(s == null || s.length() <=1) return s;
 4         StringBuffer res = new StringBuffer(s.length());
 5         for(int i = s.length()-1;i >=0 ;i--){
 6             res.append(s.charAt(i));
 7         }
 8         return res.toString();
 9     }
10 }

时间： 2024-11-05 16:28:14

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