点了“麻辣香锅”

class People {
}

class Teacher extends People {
public void order() {
System.out.println("（老师）点了“香辣肉丝”");
}
}

class Student extends People {
public void order() {
System.out.println("（学生）点了”火腿炒面”");
}
}

class Doctor extends People {
public void order() {
System.out.println("（医生）点了“麻辣香锅”");
}
}

public class Demo {
public static void main(String[] args) {
People p1 = new Teacher();
Teacher teacher = (Teacher) p1;
teacher.order();
People p2 = new Student();
Student student = (Student) p2;
student.order();
People p3 = new Doctor();
Doctor doctor = (Doctor) p3;
doctor.order();
}
}