PtsPBOGenapsimpan

 try{

            BufferedWriter out = new BufferedWriter(new FileWriter("jumlahhari.txt"));

            out.write(hasilJumlahHari.getText());

            JOptionPane.showMessageDialog(null, "Berhasil di simpan dalam file");

        }catch (Exception e){

            System.err.println("Error: " + e.getMessage());

        }