题解 | 数字颠倒
数字颠倒
https://www.nowcoder.com/practice/ae809795fca34687a48b172186e3dafe
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 sc = new Scanner(System.in);
StringBuilder str = new StringBuilder(sc.nextLine()).reverse();
System.out.println(str.toString());
}
}
查看7道真题和解析
