switch语句

 
Scanner sc = new Scanner(System.in);
System.out.println("请输入月份：");
int month = sc.nextInt();
switch (month) {
    case 1:
    case 2:
    case 3:
        System.out.println("第一季度");
        break;
    case 4:
    case 5:
    case 6:
        System.out.println("第二季度");
        break;
    case 7:
    case 8:
    case 9:
        System.out.println("第三季度");
    case 10:
    case 11:
    case 12:
        System.out.println("第四季度");
        break;
    default:
        System.out.println("您输入的月份有问题。");
        break;
}