Exemple processus java

process.java

public void actionPerformed(ActionEvent arg0) {
                ZDialog zd = new ZDialog(null, "General.io", true);
                System.out.print(ZDialog.nb_ouverture);
                nb_partie = ZDialog.nb_ouverture;
                nom_a = zd.get_nom_r();
                nom_b = zd.get_nom_b();
                actualiser_param();
                ZDialogInfo zInfo = zd.showZDialog();
                JOptionPane jop = new JOptionPane();
                jop.showMessageDialog(null, zInfo.toString(), "Data Game", JOptionPane.INFORMATION_MESSAGE);
                Runtime runtime = Runtime.getRuntime();
                try {
                    Process p = runtime.exec("java -jar  exec.jar");
                    BufferedWriter out = new BufferedWriter(new OutputStreamWriter(p.getOutputStream()));
                    BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));//ouput processus
                    out.write(zd.getIncre_t() + "\n");
                    out.write(zd.getIncre_plaine() + "\n");
                    out.write("fin" + "\n");
                    out.flush();
                    System.out.println("=====> lancement");
                    setVisible(false);
                    p.waitFor();

                    String line;
                    while ((line = in.readLine()) != null) {
                        System.out.println(line);
                    }
                    System.out.println("ok!");

                    in.close();
                    if (p.exitValue() == 1) {
                        score[0]++;
                    } else if (p.exitValue() == 2) {
                        score[1]++;
                    }
                    actualiser_param();
                    setVisible(true);
                } catch (IOException e) {
                    e.printStackTrace();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        });