基本上，作为一项学习任务，我要求创建一个多客户机/服务器应用程序。
在这个类中，我必须创建一个与客户机和服务器一起提供的通信类，在这些类中我将创建一个通信示例，其中客户机或服务器将使用方法“sendmessage”或“receivemessage”来发送/接收消息对象。
客户机/服务器应该不知道通信类使用什么方法。我已经在下面尝试过了，但是我不知道如何从我的客户机/服务器中的通信示例调用这些方法？
我也相信这可能比我用线程做的更容易？如果有人能给我基本的开始代码或解释如何达到它我将非常感激。
谢谢！

import java.io.*;
import java.net.ServerSocket; 
import java.net.Socket;

public class Comms
{
boolean isServer;

public Comms(boolean isServer) throws IOException
{
    this.isServer = isServer;
    if (isServer == true)
    {   
        ServerSocket socket = new ServerSocket(6000);
        try
        {
            while(true)
            {
                new ServerConnection(socket.accept());
            }
        }
        catch (IOException e){ e.printStackTrace(); }
        finally
        {
            socket.close();
        }
    }
    else
    {
        new ClientConnection(new Socket("localhost", 6000));
    }

}

class ServerConnection 
{
    private ObjectInputStream receive;
    private ObjectOutputStream send;

    private ServerConnection(Socket clientSocket) throws IOException
    {
        InputStream inputStream = clientSocket.getInputStream();
        receive = new ObjectInputStream(inputStream);
        OutputStream outputStream = clientSocket.getOutputStream();
        send = new ObjectOutputStream(outputStream);
    }

    public void sendMessage(Message message) throws IOException
    {
        send.writeObject(message);
    }

    public Message receiveMessage() throws ClassNotFoundException, IOException
    {
        Message message = (Message) receive.readObject();
        return message;
    }

    public void closeServerConnection() throws IOException
    {
        receive.close();
        send.close();
    }
}

class ClientConnection
{
    private ObjectInputStream receive;
    private ObjectOutputStream send;

    private ClientConnection(Socket socket) throws IOException
    {
        InputStream inputStream = socket.getInputStream();
        receive = new ObjectInputStream(inputStream);
        OutputStream outputStream = socket.getOutputStream();
        send = new ObjectOutputStream(outputStream);
    }

    public void sendMessage(Message message) throws IOException
    {
        send.writeObject(message);
    }

    public Message receiveMessage() throws ClassNotFoundException, IOException
    {
        Message message = (Message) receive.readObject();
        return message;
    }

    public void closeClientConnection() throws IOException
    {
        receive.close();
        send.close();
    }
}

}