Bonsoir a tous,

je débute dans java et j'ai un soucis j'aimerais incrémenter une variable via un serveur ( j'essaye de réaliser un programme qui a comme principe : une file d'attente chez un médecin ), j'ai fait un code pour incrementer la variable i mais sa marche un peu d'aide SVP serez la bienvenue merci

voila code pour le serveur :
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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import java.io.*;
import java.net.*;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class Provider{
     public static int  i = 0;
    ServerSocket providerSocket;
    Socket connection = null;
    ObjectOutputStream out;
    ObjectInputStream in;
    String message;
    Provider(){}
    void run()
    {
        try{
            //1. creating a server socket
            providerSocket = new ServerSocket(2006, 10);
            //2. Wait for connection
            System.out.println("Waiting for connection");
            connection = providerSocket.accept();
            System.out.println("Connection received from " + connection.getInetAddress().getHostName());
            //3. get Input and Output streams
            out = new ObjectOutputStream(connection.getOutputStream());
            out.flush();
            in = new ObjectInputStream(connection.getInputStream());
            sendMessage("Connection successful");
            //4. The two parts communicate via the input and output streams
            do{
                try{
                    message = (String)in.readObject();
                    System.out.println("client>" + message);
                    if (message.equals("bye"))
                        sendMessage("bye");
                }
                catch(ClassNotFoundException classnot){
                    System.err.println("Data received in unknown format");
                }
            }while(!message.equals("bye"));
        }
        catch(IOException ioException){
            ioException.printStackTrace();
        }
        finally{
            //4: Closing connection
            try{
                in.close();
                out.close();
                providerSocket.close();
            }
            catch(IOException ioException){
                ioException.printStackTrace();
            }
        }
    }
    void sendMessage(String msg)
    {
        try{
            out.writeObject(msg);
            out.flush();
            System.out.println("server>" + msg);
 
           i++;
        }
        catch(IOException ioException){
            ioException.printStackTrace();
        }
    }
    public static void main(String args[])
    {
        Provider server = new Provider();
        while(true){
            server.run();
        }
    }
}
et voila celui du client

Code : Sélectionner tout - Visualiser dans une fenêtre à part
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import java.io.*;
import java.net.*;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class Requester{
    Socket requestSocket;
    ObjectOutputStream out;
    ObjectInputStream in;
    String message;
    Requester(){}
    void run()
    {
        try{
            //1. creating a socket to connect to the server
            requestSocket = new Socket("localhost", 2006);
            System.out.println("Connected to localhost in port 2004");
            //2. get Input and Output streams
            out = new ObjectOutputStream(requestSocket.getOutputStream());
            out.flush();
            in = new ObjectInputStream(requestSocket.getInputStream());
            //3: Communicating with the server
            do{
                try{
                    message = (String)in.readObject();
                    System.out.println("server>" + message);
                    sendMessage("Hi my server");
                     JFrame f = new JFrame();
            f.setSize(500, 500);
            JLabel m = new JLabel();
            m.setText("Nouveau client"+ Provider.i);
            f.add(m);
            f.setVisible(true);
 
                }
                catch(ClassNotFoundException classNot){
                    System.err.println("data received in unknown format");
                }
            }while(!message.equals("bye"));
        }
        catch(UnknownHostException unknownHost){
            System.err.println("You are trying to connect to an unknown host!");
        }
        catch(IOException ioException){
            ioException.printStackTrace();
        }
        finally{
            //4: Closing connection
            try{
                in.close();
                out.close();
                requestSocket.close();
            }
            catch(IOException ioException){
                ioException.printStackTrace();
            }
        }
    }
    void sendMessage(String msg)
    {
        try{
            out.writeObject(msg);
            out.flush();
            System.out.println("client>" + msg);
 
 
        }
        catch(IOException ioException){
            ioException.printStackTrace();
        }
    }
    public static void main(String args[])
    {
        Requester client = new Requester();
        client.run();
    }
}

merci a vous.