Main ChatRelayCode

import java.net.*;
import java.io.*;
import java.lang.*;
public class main {
    ServerSocket serverSocket = null;
    Socket clientSocket = null;
    public static SocketThread client;
    public static void main(String[] args) throws IOException
    {
         //Begins program.
         System.out.println("                 ########################################");
         System.out.println("                 #                                      #");
         System.out.println("                 #   NexoGroup Chat Relay Server (CRS)  #");
         System.out.println("                 #                BETA 1                #");
         System.out.println("                 #                                      #");
         System.out.println("                 ########################################\n\n");
         int listenPort = 9898;
         System.out.println("Starting server on port " + listenPort +".");

         //Attempts to start listening on port 9898.
         try
         {
             ServerSocket serverSocket = new ServerSocket(listenPort);
             System.out.println("Server started successfully.");
             //Server started, now the client acceptance.
             while(true)
             {
                 try
                 {
                     Socket clientSocket = serverSocket.accept();
                     System.out.println("A client has connected successfully from: " + clientSocket.getInetAddress());
                     SocketThread client = new SocketThread(clientSocket);
                     client.start();
                 }
                 catch (IOException e)
                 {
                     System.err.println("Client unable to connect.");
                 }
             }
         }
         catch (IOException e)
         {
             System.err.println("Server unable to bind to port.");
             System.exit(-1);
         }
    }
}