计算星期几java

解题思路:

注意事项:

参考代码

Scanner scanner = new Scanner(System.in);
int a = scanner.nextInt();
int b = scanner.nextInt();

int item = 1;
for (int i = 1;i<=b; i++) {
   item = (item*a)%7;
}
switch ((int)(item) % 7) {
   case 1:
       System.out.println("Monday");
       break;
   case 2:
       System.out.println("Tuesday");
       break;
   case 3:
       System.out.println("Wednesday");
       break;
   case 4:
       System.out.println("Thursday");
       break;
   case 5:
       System.out.println("Friday");
       break;
   case 6:
       System.out.println("Saturday");
       break;
   default:
       System.out.println("Sunday");
       break;
}