//1、中介者抽象父類（客服父類）-----------------------------------------
abstract class CustomerServer
{
    abstract void Communicate(String message,Communicator communicator);
}
//1-1、具體中介者（客服MM）
class CustomerServerMM extends CustomerServer
{
    //A、設置客服服務的對象
    private Customer customer;
    private Technician technician;

    public void setCustomer(Customer _customer)
    {
        this.customer = _customer;
    }

    public void setTechnician(Technician _technician)
    {
        this.technician = _technician;
    }

    //B、客服開始溝通
    @Override
   public void Communicate(String message, Communicator communicator)
    {
        if (communicator ==customer) //顧客
        {
            technician.GetMessage(message);
        }
        else
        {
            customer.GetMessage(message);
        }
    }
}

//2、服務對象抽象父類-------------------------------------------------
abstract  class Communicator
{
    protected  CustomerServer customerServer; //中介者
    public Communicator(CustomerServer _customerServer)
    {
        this.customerServer = _customerServer;
    }
}

//2-1、服務對象具體類（顧客）
class Customer extends Communicator
{
    public Customer(CustomerServer customerServer)
    {
        super(customerServer);
    }

    //A、諮詢
    public  void Ask(String message)
    {
        customerServer.Communicate(message,this);
    }

    //B、獲得回復
    public void  GetMessage(String message)
    {
        System.out.println("顧客得到技術人員的回復："+message);
    }
}

//2-2、服務對象具體類（維修技術人員）
class Technician extends Communicator
{
    public Technician(CustomerServer customerServer)
    {
        super(customerServer);
    }

    //A、回復
    public  void Anser(String message)
    {
        customerServer.Communicate(message,this);
    }

    //B、獲得問題
    public void  GetMessage(String message)
    {
        System.out.println("技術人員接收到顧客的問題："+message);
    }

        CustomerServerMM csMM = new CustomerServerMM();

        Customer customer = new Customer(csMM);
        Technician technician = new Technician(csMM);

        csMM.setCustomer(customer);
        csMM.setTechnician(technician);

        customer.Ask("為什麼我的電腦開不了機");
        technician.Anser("電池沒插電源沒插，開啥機！");