server_java/src/com/company/Main.java

package com.company;

import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.util.ArrayList;
import java.util.List;

public class Main {

    public static void main(String[] args) throws Exception {

        List<Client> clientList = new ArrayList<>();

        ServerSocket serverSocket = new ServerSocket(8888);

        while (true) {
            Socket clientSocket = serverSocket.accept();

            Client client = new Client(clientSocket, clientList);
            client.start();
        }
    }
}