Re: Threads - Server Side

Lew <>
Sun, 07 Oct 2007 11:59:04 -0400
<> wrote:

The code bellow is a server code that will continuesly wait for a
vector object from the client side. There are many clients that will
be connected to the server. Must I use threads to handle the many
clients?. Is it advisable to implement threads and why?

import java.util.*;
public class GandhiServer2
    ServerSocket ss;
    Socket cs;
    Vector ht;
    ObjectInputStream ois;
    public GandhiServer2()
            ss = new ServerSocket(9000);
            cs = ss.accept();

            while(cs.isConnected() == true)
             ois = new ObjectInputStream(cs.getInputStream());
             ht = (Vector)ois.readObject();
             cs = ss.accept();

        catch (Exception e)


    public static void main(String[] args)
        new GandhiServer2();

Get that work out of the constructor!

Create a service method, e.g., "run()", to do the work.

Constructors are for construction, only.

    public static void main(String[] args)
      GandhiServer2 server = new GandhiServer2();;

Why are you using the hoary Vector class instead of ArrayList?

It looks like all your instance variables should be method variables inside run().


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