Java聊天室开发项目

 package server;

    
 import commen.model.group;
    
 import commen.model.user;
    
  
    
 import java.io.IOException;
    
 import java.net.ServerSocket;
    
 import java.net.Socket;
    
 import java.util.ArrayList;
    
 import java.util.List;
    
  
    
 public class Servce {
    
     public static void main(String[] args) {
    
     ServerSocket serverSocket = null;
    
     try {
    
         serverSocket = new ServerSocket(10086);
    
     } catch (IOException e) {
    
         System.err.println("Could not listen on port: 10086.");
    
         Syste