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I solved the problem, thank you. If it is useful for anyone, here it is:

public class Ventana extends JFrame {
private JComboBox jComboBox1 = new JComboBox();

public Ventana() {
...

Hi! I have a database in Oracle and a graphical app in Java. In that, I have a JComboBox to show the available names of the users who are in my ddbb now. I was finding a solution and and I failed,...

I found the problem, I used a "while(true)" loop for reading (with Scanner class) the messages that the client could send to another, and the RunTime function which cautch the signal "SIGINT". When I...

What do you mean? :S

Ups sorry,

ServerInterface s;
Client c;

They are only my instances of the server and the client. With that sentence I pretend to remove the client of the list which is managed by the server.

hi! first of all tell me if you doesn't understand something of my post.

I'm programming a Java chat with a server and several clients (all of them in separate consoles). Everething is alright...