下列程序运行后的结果是哪项?( ) class TestApp{ public static void main (String[] args){ int x=5 : switch (x){ case l : case 2 : case 3 : System. out .println(“一季度”); break; case 4 : case 5 : case 6 : System. out .println(“二季度”); break; default : System. out .println(“三季度以上”); break; } } }