import java.util.Scanner; public class Helloworld { public static void main(String[] args) { System.out.println("请输入月份: "); Scanner in=new Scanner(System.in); int month; month=in.nextInt(); switch(month) { case 3: case 4: case 5: System.out.println("春季"); break; case 6: case 7: case 8: System.out.println("夏季"); break; case 9: case 10: case 11: System.out.println("秋季"); break; case 12: case 1: case 2: System.out.println("冬季"); break; default: System.out.println("你输入的月份不存在,请重新输入。"); break; } } }