题解 | 单组_二维字符数组

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


// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        int n = in.nextInt();
        int m = in.nextInt();
        Stack<String> st = new Stack<String>();
        for (int i = 0 ; i < n; i++) {
            String s = in.next();
            String reversed = new StringBuilder(s).reverse().toString();
            st.push(reversed);
        }
        while(!st.isEmpty()){
            System.out.println(st.pop());
        }
    }
}