JFileChooser

public void save() throws FileNotFoundException {
        JFileChooser jc = new JFileChooser();
        int op = jc.showSaveDialog(jc);


        if (op == JFileChooser.APPROVE_OPTION) {
            String file = jc.getSelectedFile().getPath();
            File outFile = new File(file);
            FileOutputStream outFileStream = new FileOutputStream(outFile, true);
            PrintWriter outStream = new PrintWriter(outFileStream);


            String surat = null;


            surat = this.getNoSurat() + ":" + this.getPerihal() + ":"
                    + this.getTglSurat() + "/"
                    + this.getTglTerima() + "/"
                    + this.getPengirim() + ":"
                    + this.getPenerima();
            outStream.println(surat);
            outStream.close();
            JOptionPane.showMessageDialog(null, "Tersimpan !!");
        } else {
            JOptionPane.showMessageDialog(null, "Surat Masuk Tidak Tersimpan");
        }
    }
----------------------------------------------------------------

save1 = new JButton("SAVE AS");
save1.addActionListener(new ActionListener() {


            public void actionPerformed(ActionEvent e) {
                Sekre s = new Sekre();
                s.setNoSurat(nosurat.getText());
                s.setPerihal(perihal.getText());
                s.setTglSurat(tglsurat.getText());
                s.setTglTerima(tglterima.getText());
                s.setPengirim(pengirim.getText());
                s.setPenerima(penerima.getText());


                try {
                    s.save();
                } catch (IOException ex) {
                    Logger.getLogger(Sekre.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        });