weixin_45303865的博客

import java.util.Scanner; public class eight { public static void main (String[] args){ Scanner in = new Scanner(System.in); System.out.print("输入12位的ISBN码："); String isbn = in.next(); int count=0; int amount=Integer.

//11.1 package zuoye; import java.util.Scanner; public class one{ public static void main(String agrs[]){ Scanner in=new Scanner (System.in); //输入 System.out.print("En...