题解 | 单组_字符串
单组_字符串
https://www.nowcoder.com/practice/e3a57b2ff6de4aefb82af98925df544e
import java.util.Scanner;
// 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();
String s = in.next();
String reversed = new StringBuilder(s).reverse().toString();
System.out.println(reversed);
}
}
