题解 | #字符串反转#

import java.util.Scanner;

public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); /接受一个只包含小写字母的字符串，然后输出该字符串反转后的字符串。/ String str = scanner.next(); StringBuilder stringBuilder = new StringBuilder(str); StringBuilder reverse = stringBuilder.reverse(); System.out.println(reverse); } }