场景

病人上医院都是先挂号、看病、医生写医药单。病人拿着医药单需要做两件事情

给收费处的收费员

给医药派药员
在此，需要你实现关于收费处收费员和派药员的场景

代码

public class Medicine {
    private String name;
    private long price;
    private String address;
    public Medicine() {
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public long getPrice() {
        return price;
    }
    public void setPrice(long price) {
        this.price = price;
    }
    public String getAddress() {
        return address;
    }
    public void setAddress(String address) {
        this.address = address;
    }
    public void accept(IVisitor visitor) {
        visitor.visitor(this);
    }
}

public class MedicineA extends Medicine {
    public MedicineA() {
       setName("板蓝根");
       setPrice(1l);
       setAddress("第一排第二格");
    }
}

public class MedicineB extends Medicine {
    public MedicineB() {
                setName("感康");
                setPrice(3l);
                setAddress("第二排第二格");
    }
}

public interface IVisitor {
    public void visitor(Medicine medicine);
}

public class HospitalCashier implements IVisitor {
    private String name;
    public HospitalCashier(String name) {
        this.name = name;
    }
    public void visitor(Medicine medicine) {
        String msg = String.format("%s药需要%s元", medicine.getName(), medicine.getPrice());
        System.out.println(msg);
    }
}

public class MedicineTaker implements IVisitor {
    private String name;
    public MedicineTaker(String name) {
        this.name = name;
    }
    public void visitor(Medicine medicine) {
      System.out.println(String.format("%s药在%s", medicine.getName(), medicine.getAddress()));
    }
}

public class Tester{
    public static void main(String[] args) {
        HospitalCashier cashier = new HospitalCashier("lining");
        MedicineTaker taker = new MedicineTaker("zhanghai");
        Medicine medicineA = new MedicineA();
        Medicine medicineB = new MedicineB();
        medicineA.accept(cashier);
        medicineB.accept(cashier);
        medicineA.accept(taker);
        medicineA.accept(taker);
    }
}