try{
            File file = new File("users/"+jComboBox3.getSelectedItem().toString()+"/"+jComboBox4.getSelectedItem().toString()+"/"+jComboBox5.getSelectedItem().toString());
            ObjectInputStream ois = new ObjectInputStream(new FileInputStream(file));

            jTable1 = (JTable)ois.readObject();



            JOptionPane.showMessageDialog(mainPanel, "blaaa");
        }catch(Exception ex){
            JOptionPane.showMessageDialog(mainPanel, ex.getStackTrace());

        }
    }