题解 | #字符串反转#

import java.io.BufferedReader; import java.io.InputStreamReader;

public class Main { public static void main(String[] args) throws Exception{ String word = ""; BufferedReader buf= new BufferedReader(new InputStreamReader(System.in)); word = buf.readLine().toLowerCase(); StringBuffer buffer = new StringBuffer(word); word = buffer.reverse().substring(0); System.out.println(word); } }