题解 | #字符串反转#

import java.util.Scanner;
import java.util.Stack;

public class Main{
    public static void main(String[] args){
        Scanner input = new Scanner(System.in);
        Stack ss = new Stack();
        String s = input.nextLine();
        for(int i=0;i<s.length();i++){
            char m = s.charAt(i);
            ss.push(m);
        }
        for(int j =0;j<s.length();j++){
            System.out.print(ss.pop());
        }

    }
}