DefaultTableModel model = (DefaultTableModel)jTable1.getModel();

         try {
            BufferedReader br = new BufferedReader(new FileReader(f1));
            String st,v1,v2,v3,v4,v5,v6,v7;
            while ((st = br.readLine()) != null){




                StringTokenizer ligne=new StringTokenizer(st);
                v1=ligne.nextToken();
                v2=ligne.nextToken();
                v3=ligne.nextToken();
                v4=ligne.nextToken();
                v5=ligne.nextToken();
                v6=ligne.nextToken();
                        v7=ligne.nextToken();

        model.addRow(new Object[]{v1,v2,v3,v4,v5,v6,v7});


                                                 }
            }

        catch(FileNotFoundException ex) {
            System.out.println(
                "Unable to open file '" +
                f + "'");
        }