How to store JcomboBox n textfield into textfile? Urgent!!!

Question

How to store JcomboBox n textfield into textfile?
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
import javax.swing.event.*;
import javax.swing.border.*;
import java.text.DecimalFormat;
import java.io.*;
public class RecordMenu extends JPanel implements ActionListener {
    private JComboBox monthSelection;
    private JButton buttonOk;
    double amtToTrack;
    private JTextField amtField;
    private static final String[] Months =
     new String[] {
         "January",
         "February",
         "March",
         "April",
         "May",
         "June",
         "July",
         "August",
         "September",
         "October",
         "November",
         "December"
    public RecordMenu() {      
        JPanel mainPanel = new JPanel();
        mainPanel.setLayout(new GridLayout(4,2));
        mainPanel.setBorder(new TitledBorder("Record Expenses"));
        JLabel monthLabel = new JLabel("Select month");      
        monthSelection = new JComboBox(Months);      
        monthSelection.addActionListener(this);
        JLabel label2 = new JLabel("Amount to track:");       
        JTextField amtField = new JTextField(5);
        amtField.addActionListener(this);
        JLabel nothing1 = new JLabel("nothing");
        nothing1.setVisible(false);
        JLabel nothing2 = new JLabel("nothing");
        nothing2.setVisible(false);
        JLabel nothing3 = new JLabel("nothing");
        nothing3.setVisible(false);
        JLabel nothing4 = new JLabel("nothing");
        nothing4.setVisible(false);
        JLabel nothing5 = new JLabel("nothing");
        nothing5.setVisible(false);
        JLabel nothing6 = new JLabel("nothing");
        nothing6.setVisible(false);
        JLabel nothing7 = new JLabel("nothing");
        nothing7.setVisible(false);
        JLabel nothing8 = new JLabel("nothing");
        nothing8.setVisible(false);
        mainPanel.add(monthLabel);
        mainPanel.add(monthSelection);
        mainPanel.add(nothing1); 
        mainPanel.add(label2);
        mainPanel.add(amtField);
        mainPanel.add(nothing2);
        mainPanel.add(nothing3);
        mainPanel.add(nothing4);
        mainPanel.add(nothing5);
        mainPanel.add(nothing6);
        mainPanel.add(nothing7);
        JButton buttonOk = new JButton("OK");     
        buttonOk.addActionListener(this);
        mainPanel.add(buttonOk);
        add(mainPanel);      
        setSize(400,300);
        setVisible(true);
    public void actionPerformed(ActionEvent e) {                
         if (e.getSource() == buttonOk) {
         double amtToTrack = 0.0;
         try {
         if (!amtField.getText().equals(""))
               amtToTrack = Double.parseDouble(amtField.getText());
         catch (NumberFormatException numberFormatException) {
              JOptionPane.showMessageDialog(this, "You must enter numbers","Invalid Number Format", JOptionPane.ERROR_MESSAGE);
                     try{               
                         BufferedWriter out = new BufferedWriter(new FileWriter("mySaved.txt",true));
                         out.write("For Month "+Months);
                         out.newLine();
                         if (!amtField.getText().equals("")) {     
                         amtToTrack = Double.parseDouble(amtField.getText());
                         out.write("Amount to track = "+amtToTrack);   
                         out.newLine();     
                         out.close();
                         JOptionPane.showMessageDialog(this, "Saved!");                         
                        catch(IOException ex) {   
                        ex.printStackTrace(System.err);
    public static void main(String[] args) {
        JPanel p = new RecordMenu();
        JFrame f = new JFrame();
        Container c = f.getContentPane();
        c.add(p);
        f.pack();
        f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
          f.setVisible(true);
}

Answer 1

i had save e month at mySavedTotal
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
import javax.swing.event.*;
import javax.swing.border.*;
import java.text.DecimalFormat;
import java.io.*;
public class RecordMenu extends JPanel implements ActionListener {
    private JComboBox monthSelection;
    private JButton buttonOk;
    double amtToTrack;
    private JTextField amtField;
    private static final String[] Months =
     new String[] {
         "January",
         "February",
         "March",
         "April",
         "May",
         "June",
         "July",
         "August",
         "September",
         "October",
         "November",
         "December"
    public RecordMenu() {      
        JPanel mainPanel = new JPanel();
        mainPanel.setLayout(new GridLayout(4,2));
        mainPanel.setBorder(new TitledBorder("Record Expenses"));
        JLabel monthLabel = new JLabel("Select month");      
        monthSelection = new JComboBox(Months);      
        monthSelection.addActionListener(this);
        JLabel label2 = new JLabel("Amount to track:");       
        amtField = new JTextField(5);
        amtField.addActionListener(this);
        JLabel nothing1 = new JLabel("nothing");
        nothing1.setVisible(false);
        JLabel nothing2 = new JLabel("nothing");
        nothing2.setVisible(false);
        JLabel nothing3 = new JLabel("nothing");
        nothing3.setVisible(false);
        JLabel nothing4 = new JLabel("nothing");
        nothing4.setVisible(false);
        JLabel nothing5 = new JLabel("nothing");
        nothing5.setVisible(false);
        JLabel nothing6 = new JLabel("nothing");
        nothing6.setVisible(false);
        JLabel nothing7 = new JLabel("nothing");
        nothing7.setVisible(false);
        JLabel nothing8 = new JLabel("nothing");
        nothing8.setVisible(false);
        mainPanel.add(monthLabel);
        mainPanel.add(monthSelection);
        mainPanel.add(nothing1); 
        mainPanel.add(label2);
        mainPanel.add(amtField);
        mainPanel.add(nothing2);
        mainPanel.add(nothing3);
        mainPanel.add(nothing4);
        mainPanel.add(nothing5);
        mainPanel.add(nothing6);
        mainPanel.add(nothing7);
        buttonOk = new JButton("OK");     
        buttonOk.addActionListener(this);
        mainPanel.add(buttonOk);
        add(mainPanel);      
        setSize(400,300);
        setVisible(true);
    public void actionPerformed(ActionEvent e) {                
         if (e.getSource() == buttonOk) {
         double amtToTrack = 0.0;
         try {
         if (!amtField.getText().equals(""))
               amtToTrack = Double.parseDouble(amtField.getText());
         catch (NumberFormatException numberFormatException) {
              JOptionPane.showMessageDialog(this, "You must enter numbers","Invalid Number Format", JOptionPane.ERROR_MESSAGE);
                     try{               
                         BufferedWriter out = new BufferedWriter(new FileWriter("mySavedTotal.txt",true));
                         out.write("For Month "+monthSelection.getSelectedItem());
                         out.newLine();
                         if (!amtField.getText().equals("")) {     
                         amtToTrack = Double.parseDouble(amtField.getText());
                         out.write("Amount to track = "+amtToTrack);   
                         out.newLine();     
                         out.close();
                         JOptionPane.showMessageDialog(this, "Saved!");
                         JPanel p = new CheckBox();         
                         JFrame f = new JFrame();         
                         Container c = f.getContentPane();         
                         c.add(p);         
                         f.pack();         
                         f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);         
                         f.setVisible(true);                              
                        catch(IOException ex) {   
                        ex.printStackTrace(System.err);
    public static void main(String[] args) {
        JPanel p = new RecordMenu();
        JFrame f = new JFrame();
        Container c = f.getContentPane();
        c.add(p);
        f.pack();
        f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
          f.setVisible(true);
}then i save data from other file in mySavedTotal again
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.text.DecimalFormat;
import java.io.*;
public class CheckBox extends JPanel implements ItemListener, ActionListener {
     private JPanel checkPanel, buttonPanel;
     private JCheckBox transport, bills, food, gifts, leisure, others;
     private JTextField transportField, billsField, foodField, giftsField,leisureField,
                    othersField, totalField;
     double transportAmt, billsAmt, foodAmt, giftsAmt, leisureAmt, othersAmt, totalAmt;
     private JButton buttonTotal, saveButton, dontSaveButton;
     private JLabel showTotal;
     public CheckBox() {          
          //create a panel for diaplaying the checkboxs and buttons
          checkPanel = new JPanel();
          checkPanel.setLayout(new GridLayout(7,3));
          //Create the check boxes.
          transport = new JCheckBox("Transport");
          transport.setSelected(false);
          transport.setBounds(10,30,80,30);
          transportField = new JTextField();
          transportField.setEditable(false);
          transportField.setBounds(100,35,45,20);
          bills = new JCheckBox("Bills");
          bills.setSelected(false);
          bills.setBounds(10,60,80,30);
          billsField = new JTextField(5);
          billsField.setEditable(false);
          billsField.setBounds(100,65,45,20);
          food = new JCheckBox("Food");
          food.setSelected(false);
          food.setBounds(10,90,80,30);
          foodField = new JTextField(5);
          foodField.setEditable(false);
          foodField.setBounds(100,95,45,20);
          gifts = new JCheckBox("Gifts");
          gifts.setSelected(false);
          gifts.setBounds(200,30,80,30);
          giftsField = new JTextField(5);
          giftsField.setEditable(false);
          giftsField.setBounds(300,35,45,20);
          leisure = new JCheckBox("Leisure");
          leisure.setSelected(false);
          leisure.setBounds(200,60,80,30);
          leisureField = new JTextField(5);
          leisureField.setEditable(false);
          leisureField.setBounds(300,65,45,20);
          others = new JCheckBox("Others");
          others.setSelected(false);
          others.setBounds(200,90,80,30);
          othersField = new JTextField(5);
          othersField.setEditable(false);
          othersField.setBounds(300,95,45,20);
          JLabel nothing1 = new JLabel("nothing");
        nothing1.setVisible(false);
        JLabel nothing2 = new JLabel("nothing");
        nothing2.setVisible(false);
        JLabel nothing3 = new JLabel("nothing");
        nothing3.setVisible(false);
        JLabel nothing4 = new JLabel("nothing");
        nothing4.setVisible(false);
        JLabel nothing5 = new JLabel("nothing");
        nothing5.setVisible(false);
        JLabel nothing6 = new JLabel("nothing");
        nothing6.setVisible(false);
        JLabel nothing7 = new JLabel("nothing");
        nothing7.setVisible(false);
        JLabel nothing8 = new JLabel("nothing");
        nothing8.setVisible(false);
        JLabel nothing9 = new JLabel("nothing");
        nothing9.setVisible(false);
        JLabel nothing10 = new JLabel("nothing");
        nothing10.setVisible(false);
        JLabel nothing11 = new JLabel("nothing");
        nothing11.setVisible(false);
          //Register a listener for the check boxes.
          transport.addItemListener(this);
          bills.addItemListener(this);
          food.addItemListener(this);
          gifts.addItemListener(this);
          leisure.addItemListener(this);
          others.addItemListener(this);
          transportField.addActionListener(this);
          billsField.addActionListener(this);
          foodField.addActionListener(this);
          giftsField.addActionListener(this);
          leisureField.addActionListener(this);
          othersField.addActionListener(this);
          checkPanel.add(transport);
          checkPanel.add(transportField);
          checkPanel.add(bills);
          checkPanel.add(billsField);
          checkPanel.add(food);
          checkPanel.add(foodField);
          checkPanel.add(gifts);
          checkPanel.add(giftsField);
          checkPanel.add(leisure);
          checkPanel.add(leisureField);
          checkPanel.add(others);
          checkPanel.add(othersField);
          checkPanel.setBounds(1,1,390,180);
          checkPanel.setBorder(new TitledBorder("Check the amount you want to track"));
          buttonTotal = new JButton("Calculate Total");
          buttonTotal.setBounds(150,140,130,30);
          buttonTotal.addActionListener(this);
          showTotal = new JLabel(" = __");
          showTotal.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
          showTotal.setBounds(290,140,100,30);
          checkPanel.add(nothing1);
          checkPanel.add(nothing2);
          checkPanel.add(nothing3);
          checkPanel.add(nothing4);
          checkPanel.add(nothing5);
          checkPanel.add(nothing6);
          checkPanel.add(buttonTotal);
          checkPanel.add(showTotal);
          checkPanel.add(nothing7);
          checkPanel.add(nothing8);
          checkPanel.add(nothing9);
          checkPanel.add(nothing10);
          checkPanel.add(nothing11);
          saveButton = new JButton("Save");
          saveButton.setBounds(90,190,100,30);
          saveButton.addActionListener(this);
          dontSaveButton = new JButton("Don't Save");
          dontSaveButton.setBounds(200,190,100,30);
          dontSaveButton.addActionListener(this);
          checkPanel.add(saveButton);
         checkPanel.add(dontSaveButton);
        add(checkPanel);       
          setSize(400,260);
          setVisible(true);
          /** Listens to the check boxes. */
          public void itemStateChanged(ItemEvent e) {
          if (e.getSource() == transport)
          if (e.getStateChange() == ItemEvent.SELECTED)          
          transportField.setEditable(true);
          else
          transportField.setEditable(false);
          if (e.getSource() == bills)
          if (e.getStateChange() == ItemEvent.SELECTED)
          billsField.setEditable(true);
          else
          billsField.setEditable(false);
          if (e.getSource() == food)
          if (e.getStateChange() == ItemEvent.SELECTED)
          foodField.setEditable(true);
          else
          foodField.setEditable(false);
          if (e.getSource() == gifts)
          if (e.getStateChange() == ItemEvent.SELECTED)
          giftsField.setEditable(true);
          else
          giftsField.setEditable(false);
          if (e.getSource() == leisure)
          if (e.getStateChange() == ItemEvent.SELECTED)
          leisureField.setEditable(true);
          else
          leisureField.setEditable(false);
          if (e.getSource() == others)
          if (e.getStateChange() == ItemEvent.SELECTED)
          othersField.setEditable(true);
          else
          othersField.setEditable(false);
          public void actionPerformed(ActionEvent event) {
          try {     
         if (event.getSource() == buttonTotal) {
              double transportAmt=0.0, billsAmt=0.0, foodAmt=0.0, giftsAmt=0.0,leisureAmt=0.0, othersAmt=0.0, totalAmt=0.0;
               if (!transportField.getText().equals(""))
               transportAmt = Double.parseDouble(transportField.getText());
               if(!billsField.getText().equals(""))
               billsAmt = Double.parseDouble(billsField.getText());
               if(!foodField.getText().equals(""))
               foodAmt = Double.parseDouble(foodField.getText());
               if(!giftsField.getText().equals(""))
               giftsAmt = Double.parseDouble(giftsField.getText());
               if(!leisureField.getText().equals(""))
               leisureAmt = Double.parseDouble(leisureField.getText());
               if(!othersField.getText().equals(""))
               othersAmt = Double.parseDouble(othersField.getText());
               totalAmt = transportAmt + billsAmt + foodAmt + giftsAmt + leisureAmt + othersAmt;
               showTotal.setText("= $" + totalAmt);
          catch (NumberFormatException numberFormatException ) {
                    JOptionPane.showMessageDialog(this, "You must enter numbers!","Invalid Number Format", JOptionPane.ERROR_MESSAGE);
               if (event.getSource() == dontSaveButton) {
                    System.exit(0);
                    if(event.getSource() ==saveButton){     
                    double transportAmt=0.0, billsAmt=0.0, foodAmt=0.0, giftsAmt=0.0,leisureAmt=0.0, othersAmt=0.0, totalAmt=0.0;      
                    try{
                         BufferedWriter out = new BufferedWriter(new FileWriter("mySavedTotal.txt",true));
                         if (!transportField.getText().equals("")) {     
                         transportAmt = Double.parseDouble(transportField.getText());
                         out.write("Transport = "+transportAmt);   
                         out.newLine();     
                         if(!billsField.getText().equals("")) {     
                         billsAmt = Double.parseDouble(billsField.getText());     
                         out.write("Bills = "+billsAmt);     
                         out.newLine();     
                         if(!foodField.getText().equals("")) {     
                         foodAmt = Double.parseDouble(foodField.getText());     
                         out.write("Food = "+foodAmt);     
                         out.newLine();     
                         if(!giftsField.getText().equals("")){     
                         giftsAmt = Double.parseDouble(giftsField.getText());     
                         out.write("Gifts = "+giftsAmt);     
                         out.newLine();
                         if(!leisureField.getText().equals("")){     
                         leisureAmt = Double.parseDouble(leisureField.getText());     
                         out.write("Leisure = "+leisureAmt);     
                         out.newLine();     
                         if(!othersField.getText().equals("")) {     
                         othersAmt = Double.parseDouble(othersField.getText());     
                         out.write("Others = "+othersAmt);     
                         out.newLine();     
                         out.write("Total amount "+showTotal.getText());
                    out.newLine();                              
                         out.close();
                         JOptionPane.showMessageDialog(this, "Everything is saved!");
                         catch(IOException e){
                              JOptionPane.showMessageDialog(this, "You must enter integers!","Invalid Number Format",JOptionPane.ERROR_MESSAGE);
                    public static void main(String[] args) {                         
                         JPanel p = new CheckBox();
                    JFrame f = new JFrame();
                    Container c = f.getContentPane();
                    c.add(p);
                    f.pack();
                    f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
                      f.setVisible(true);
                    }urgent... how to rerieve saved data? i got try b4 but didnt work out