Problem with writing and reading using serialization

Question

I am having a problem with writing and reading an object that has another object in it. The purpose of the class is to write a order that has multiple items in it. And there will be several orders. This is for an IB project, where one of the requirements is to utilize a hierarchical composite data structure. That is, it is "one that contains more than one element and at least one of the elements is a composite data structure. Examples are, an array or linked list of records, a record that has one field that is another record, or an array". The code is shown below:
The error produced is
java.lang.NullPointerException
     at SamsonRubberIndustries.CustomerOrderDetails.createCustOrdDetailsScreen(CustomerOrderDetails.java:150)
     at SamsonRubberIndustries.CustomerOrderDetails$1.run(CustomerOrderDetails.java:78)
     at java.awt.event.InvocationEvent.dispatch(Unknown Source)
     at java.awt.EventQueue.dispatchEvent(Unknown Source)
     at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.run(Unknown Source)
public class CustOrdObject implements Serializable {
     public int CustID;
     public int CustOrderID;
     public Object OrderDate;
     public InnerCustOrdObject[] innerCustOrdObj;
     public float GrandTotal;
     public int MaxItems;
     public CustOrdObject() {}
     public CustOrdObject(InnerCustOrdObject[] innerCustOrdObj,
int CustID, int CustOrderID, Object OrderDate,
float GrandTotal, int innerarrlength, int innerarrpos, int MaxItems) {
          this.CustID = CustID;
          this.CustOrderID = CustOrderID;
          this.OrderDate = OrderDate;
          this.GrandTotal = GrandTotal;          
          this.MaxItems = MaxItems;
          this.innerCustOrdObj = new InnerCustOrdObject[MaxItems];
     public InnerCustOrdObject[] getInnerCustOrdObj() {
          return innerCustOrdObj;
     public void setInnerCustOrdObj(InnerCustOrdObject[] innerCustOrdObj) {
          this.innerCustOrdObj = innerCustOrdObj;
     public int getCustID() {
          return CustID;
     public void setCustID(int custID) {
          CustID = custID;
     public int getCustOrderID() {
          return CustOrderID;
     public void setCustOrderID(int custOrderID) {
          CustOrderID = custOrderID;
     public Object getOrderDate() {
          return OrderDate;
     public void setOrderDate(Object orderDate) {
          OrderDate = orderDate;
     public void setGrandTotal(float grandTotal) {
          GrandTotal = grandTotal;
     public float getGrandTotal() {
          return GrandTotal;
     public int getMaxItems() {
          return MaxItems;
     public void setMaxItems(int maxItems) {
          MaxItems = maxItems;
public class InnerCustOrdObject implements Serializable{
     public int ItemNumber;
     public float UnitPrice;
     public int QuantityRequired;
     public float TotalPrice;
     public InnerCustOrdObject() {}
     public InnerCustOrdObject(int ItemNumber, float
UnitPrice, int QuantityRequired, float TotalPrice){
          this.ItemNumber = ItemNumber;
          this.UnitPrice = UnitPrice;
          this.QuantityRequired = QuantityRequired;
          this.TotalPrice = TotalPrice;
     public int getItemNumber() {
          return ItemNumber;
     public void setItemNumber(int itemNumber) {
          ItemNumber = itemNumber;
     public int getQuantityRequired() {
          return QuantityRequired;
     public void setQuantityRequired(int quantityRequired) {
          QuantityRequired = quantityRequired;
     public float getTotalPrice() {
          return TotalPrice;
     public void setTotalPrice(float totalPrice) {
          TotalPrice = totalPrice;
     public float getUnitPrice() {
          return UnitPrice;
     public void setUnitPrice(float unitPrice) {
          UnitPrice = unitPrice;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.*;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
public class CustomerOrderDetails extends CommonFeatures{
     //TODO
     private static int MAX_ORDERS = 200;
     private static int MAX_ORDERITEMS = 100;
     private static int MaxRecord;
     private static int CurrentRecord = 1;
     private static int currentItem;
     private static int MaxItems;
     private static boolean FileExists, recFileExists;
     private static CustOrdObject[] orderDetails = new CustOrdObject[MAX_ORDERS];
     private static InnerCustOrdObject[] innerCustOrdObj = new InnerCustOrdObject[MAX_ORDERITEMS];     
     private static File OrderDetailsFile = new File("CustOrdDetails.dat");
     private static File OrdRecordNumStore = new File("OrdRecordNumStore.txt");
     private static PrintWriter writeFile;
     private static BufferedReader readFile;
     private static ObjectOutputStream objOut;
     private static ObjectInputStream objIn;
     //Set format for date
     SimpleDateFormat simpleDF = new SimpleDateFormat("dd MM yyyy");
     //--<BEGINNING>--Declaring Interface Variables------------------------------------------//
     private JPanel innertoppanel, innercenterpanel, innerbottompanel, innerrightpanel, innerleftpanel;
     private JLabel CustIDLbl, CustOrderIDLbl, OrderedDateLbl, GrandTotLbl, ItemNumberLbl,UnitPriceLbl, QuantityReqLbl, TotPriceLbl;
     private JTextField CustIDTxt, CustOrderIDTxt, OrderedDateTxt, GrandTotTxt, ItemNumberTxt, UnitPriceTxt, QuantityReqTxt, TotPriceTxt;
     private JButton addrecordbtn, savebtn, externalprevbtn, externalnextbtn, internalprevbtn, internalnextbtn, gotorecordbtn, additemreqbtn;
     //--<END>--Declaring Interface Variables------------------------------------------------//
     public static void main(String[] args) {
          final CustomerOrderDetails COD = new CustomerOrderDetails();
          java.awt.EventQueue.invokeLater(new Runnable() {
               public void run() {
                    try {
                         UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
                         COD.createCustOrdDetailsScreen();
                    } catch (Exception eb) {
                         eb.printStackTrace();
     //--<BEGINNING>--Creating CustomerOrderDetails Screen---------------------------------------//
     public JFrame createCustOrdDetailsScreen() {
          createDefaultFrame();
          mainframe.setSize(800,500);
          createContainerPanel();
          containerpanel.add(createCustOrdDetailsTitle(), BorderLayout.NORTH);
          containerpanel.add(createCustOrdDetailsMainPanel(), BorderLayout.CENTER);
          //containerpanel.add(createCustOrdDetailsLeftNavButtons(), BorderLayout.WEST);
          //containerpanel.add(createCustOrdDetailsRightNavButtons(), BorderLayout.EAST);
          containerpanel.add(createCustOrdDetailsButtons(), BorderLayout.SOUTH);
          mainframe.setContentPane(containerpanel);
          mainframe.setLocationRelativeTo(null);
          mainframe.setVisible(true);
          //--<BEGINNING>--Checks to see whether CRecordNumberStore file exists-------------------------------//
          if (OrdRecordNumStore.exists() == true) {
               recFileExists = true;
          }else {
               recFileExists = false;
          if (recFileExists == true) {
               MaxRecord = readRecordNumber();
               CurrentRecord = MaxRecord;
               //readOrder();
               //readInnerOrderRecord(CurrentRecord);
               System.out.println("Current Record " +CurrentRecord);
               System.out.println("Max Record " +MaxRecord);
          }else{
               MaxRecord = 1;
               writeRecordNumber(MaxRecord);
               CustOrderIDTxt.setText(""+MaxRecord);
               System.out.println("Current Record " +CurrentRecord);
               System.out.println("Max Record " +MaxRecord);
          //--<END>--Checks to see whether CRecordNumberStore file exists--------------------------------------//
          if(readOrder() != null){
               orderDetails = (CustOrdObject[]) readOrder();
             innerCustOrdObj = orderDetails[CurrentRecord].getInnerCustOrdObj();
               MaxItems = orderDetails[CurrentRecord].getMaxItems();
               if(CurrentRecord > 1 && CurrentRecord < MaxRecord){
                    externalnextbtn.setEnabled(true);
                    externalprevbtn.setEnabled(true);
               if(CurrentRecord >= MaxRecord){
                    externalnextbtn.setEnabled(false);
               getFieldText(CurrentRecord-1);
          }else{
               orderDetails[CurrentRecord] = new CustOrdObject();
               currentItem = 1;
          return mainframe;
     //--<END>--Creating CustomerOrderDetails Screen---------------------------------------------//
     public JPanel createCustOrdDetailsTitle(){
          createTitlePanel();
          titlepanel.setBackground(TxtfontColor);
          label.setText("- Customer Order Details -");
          labelpanel.setBackground(TxtfontColor);
          label.setForeground(Color.white);
          createbuttonpanel();
          buttonpanel.setBackground(TxtfontColor) ;
          buttonpanel.add(createReturnToMainMenuButton());
          titlepanel.add(labelpanel, BorderLayout.WEST);
          titlepanel.add(buttonpanel, BorderLayout.EAST);
          return titlepanel;
     public JPanel createCustOrdDetailsMainPanel(){
          createmainpanel();
          mainpanel.setBackground(TxtfontColor);
          mainpanel.setLayout(new BorderLayout());          
          mainpanel.setBorder(BorderFactory.createTitledBorder(""));
          mainpanel.add(createInnerTopPanel(), BorderLayout.NORTH);
          mainpanel.add(createInnerCenterPanel(), BorderLayout.CENTER);
          mainpanel.add(createInnerBottomPanel(), BorderLayout.SOUTH);
          mainpanel.add(createInnerRightPanel(), BorderLayout.EAST);
          mainpanel.add(createInnerLeftPanel(), BorderLayout.WEST);
          return mainpanel;
     public JPanel createInnerTopPanel(){
          innertoppanel = new JPanel(new GridBagLayout());
          innertoppanel.setBackground(TxtfontColor);
          GridBagConstraints GBC = new GridBagConstraints();
          GBC.fill = GridBagConstraints.HORIZONTAL;
          //Setting Font Type and Size
          Font font = new Font("Arial", Font.BOLD, 11);
          CustIDLbl = new JLabel("Customer ID");
          CustIDLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          CustIDLbl.setFont(font);
          CustIDLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 1;
          innertoppanel.add(CustIDLbl, GBC);     
          CustIDTxt = new JTextField(20);
          CustIDTxt.setEditable(true);
          GBC.gridx = 2;
          GBC.gridy = 1;
          innertoppanel.add(CustIDTxt, GBC);
          GBC.gridx = 3;
          GBC.gridy = 1;
          innertoppanel.add(Box.createHorizontalStrut(220), GBC);
          OrderedDateLbl = new JLabel("Order Date");
          OrderedDateLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          OrderedDateLbl.setFont(font);
          OrderedDateLbl.setForeground(LblfontColor);
          GBC.gridx = 4;
          GBC.gridy = 1;
          innertoppanel.add(OrderedDateLbl, GBC);     
          //Get today's date
          Date todaydate = new Date();
          OrderedDateTxt = new JTextField(simpleDF.format(todaydate), 20);
          OrderedDateTxt.setHorizontalAlignment(JTextField.CENTER);
          OrderedDateTxt.setEditable(false);
          GBC.gridx = 5;
          GBC.gridy = 1;
          innertoppanel.add(OrderedDateTxt, GBC);
          CustOrderIDLbl = new JLabel("Customer Order ID");
          CustOrderIDLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          CustOrderIDLbl.setFont(font);
          CustOrderIDLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 2;
          innertoppanel.add(CustOrderIDLbl, GBC);
          CustOrderIDTxt = new JTextField(20);
          CustOrderIDTxt.setEditable(false);
          GBC.gridx = 2;
          GBC.gridy = 2;
          innertoppanel.add(CustOrderIDTxt, GBC);
          return innertoppanel;
     public JPanel createInnerCenterPanel(){
          innercenterpanel = new JPanel(new GridBagLayout());
          innercenterpanel.setBackground(TxtfontColor);
          innercenterpanel.setBorder(BorderFactory.createLoweredBevelBorder());
          GridBagConstraints GBC = new GridBagConstraints();
          GBC.fill = GridBagConstraints.HORIZONTAL;
          //Setting Font Type and Size
          Font font = new Font("Arial", Font.BOLD, 11);
          ItemNumberLbl = new JLabel("Item Number");
          ItemNumberLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          ItemNumberLbl.setFont(font);
          ItemNumberLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 1;
          innercenterpanel.add(ItemNumberLbl, GBC);     
          ItemNumberTxt = new JTextField(20);
          GBC.gridx = 2;
          GBC.gridy = 1;
          innercenterpanel.add(ItemNumberTxt, GBC);
          UnitPriceLbl = new JLabel("Unit Price");
          UnitPriceLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          UnitPriceLbl.setFont(font);
          UnitPriceLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 2;
          innercenterpanel.add(UnitPriceLbl, GBC);     
          UnitPriceTxt = new JTextField(20);
          //UnitPriceTxt.setEditable(false);
          GBC.gridx = 2;
          GBC.gridy = 2;
          innercenterpanel.add(UnitPriceTxt, GBC);
          QuantityReqLbl = new JLabel("Quantity Required");
          QuantityReqLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          QuantityReqLbl.setFont(font);
          QuantityReqLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 3;
          innercenterpanel.add(QuantityReqLbl, GBC);     
          QuantityReqTxt = new JTextField(20);
          //QuantityReqTxt.setEditable(false);
          GBC.gridx = 2;
          GBC.gridy = 3;
          innercenterpanel.add(QuantityReqTxt, GBC);
          TotPriceLbl = new JLabel("Total Price");
          TotPriceLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          TotPriceLbl.setFont(font);
          TotPriceLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 4;
          innercenterpanel.add(TotPriceLbl, GBC);     
          TotPriceTxt = new JTextField(20);
          //TotPriceTxt.setEditable(false);
          GBC.gridx = 2;
          GBC.gridy = 4;
          innercenterpanel.add(TotPriceTxt, GBC);
          return innercenterpanel;
     public JPanel createInnerBottomPanel(){
          innerbottompanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
          innerbottompanel.setBackground(TxtfontColor);
          //Setting Font Type and Size
          Font font = new Font("Arial", Font.BOLD, 11);
          GrandTotLbl = new JLabel("Grand Total");
          GrandTotLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          GrandTotLbl.setFont(font);
          GrandTotLbl.setForeground(LblfontColor);
          innerbottompanel.add(GrandTotLbl);
          innerbottompanel.add(Box.createHorizontalStrut(30));
          GrandTotTxt = new JTextField(20);
          innerbottompanel.add(GrandTotTxt);
          return innerbottompanel;
     public JPanel createInnerRightPanel(){
          innerrightpanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
          innerrightpanel.setBackground(TxtfontColor);
          innerrightpanel.setLayout(new BoxLayout(navrightpanel, BoxLayout.Y_AXIS));
          innerrightpanel.setBorder(BorderFactory.createLoweredBevelBorder());
          innerrightpanel.setLayout(new GridBagLayout());          
          GridBagConstraints GBC = new GridBagConstraints();
          GBC.fill = GridBagConstraints.HORIZONTAL;
          internalnextbtn = new JButton(createNextButtonIcon());
          GBC.gridx = 1;
          GBC.gridy = 1;
          internalnextbtn.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent evt){
                    //getInnerFieldText(currentItem);
                    internalprevbtn.setEnabled(true);
                    if(currentItem < MaxItems){
                         ++CurrentRecord;
                         //readOrder();
                         //readInnerOrderRecord(CurrentRecord);
                         setInnerFieldText(currentItem);
                         System.out.println(CurrentRecord);//Checking RECORD_NUM
                    if(currentItem == MaxItems){
                         internalnextbtn.setEnabled(false);
          innerrightpanel.add(internalnextbtn, GBC);
          return innerrightpanel;
     public JPanel createInnerLeftPanel(){
          innerleftpanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
          innerleftpanel.setBackground(TxtfontColor);
          innerleftpanel.setBorder(BorderFactory.createLoweredBevelBorder());
          innerleftpanel.setForeground(Color.BLACK);
          innerleftpanel.setLayout(new GridBagLayout());          
          GridBagConstraints GBC = new GridBagConstraints();
          GBC.fill = GridBagConstraints.HORIZONTAL;
          internalprevbtn = new JButton(createPreviousButtonIcon());
          GBC.gridx = 1;
          GBC.gridy = 1;
          internalprevbtn.addActionListener(new ActionListener(){
               public void  actionPerformed(ActionEvent evt){
                    //getInnerFieldText(currentItem);
                    internalnextbtn.setEnabled(true);
                    if(currentItem == 1){
                         internalprevbtn.setEnabled(false);
                    if(currentItem > 0){
                         --currentItem;
                         //readOrder();
                         setInnerFieldText(currentItem);
          innerleftpanel.add(internalprevbtn, GBC);
          return innerleftpanel;
     public JPanel createCustOrdDetailsButtons(){
          createbuttonpanel();
          buttonpanel.setBackground(TxtfontColor);
          externalprevbtn = new JButton(createPreviousButtonIcon());
          externalprevbtn.addActionListener(new ActionListener(){
               public void  actionPerformed(ActionEvent evt){
                    getFieldText(CurrentRecord);
                    externalnextbtn.setEnabled(true);
                    if(CurrentRecord == 1){
                         externalprevbtn.setEnabled(false);
                    if(CurrentRecord > 0){
                         --CurrentRecord;
                         setFieldText(CurrentRecord);
                         System.out.println(CurrentRecord);//Checking RECORD_NUM
          buttonpanel.add(externalprevbtn);
          addrecordbtn = new JButton("Add Record", createAddButtonIcon());
          addrecordbtn.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent evt){
                    try{
                         MaxRecord = readRecordNumber();
                         MaxRecord++;
                         writeRecordNumber(MaxRecord);
                         //--<BEGINNING>--Clear Fields-------------------------------------------------------//
                         CustIDTxt.setText("");
                         CustOrderIDTxt.setText(""+MaxRecord);
                         //Get today's date
                         Date todaydate = new Date();
                         OrderedDateTxt.setText(""+simpleDF.format(todaydate));
                         ItemNumberTxt.setText("");
                         UnitPriceTxt.setText("");
                         QuantityReqTxt.setText("");
                         TotPriceTxt.setText("");
                         GrandTotTxt.setText("");
                         //--<END>--Clear Fields-------------------------------------------------------------//
                         externalnextbtn.setEnabled(false);
                         externalprevbtn.setEnabled(true);
                         System.out.println(MaxRecord);
                    } catch(Exception ec){ec.printStackTrace();}
          buttonpanel.add(addrecordbtn);
          savebtn = new JButton("Save Data", createSaveButtonIcon());
          savebtn.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent evt){
                    setFieldText(CurrentRecord);
                    writeOrder();
                    writeRecordNumber(MaxRecord);
                    System.out.println(CurrentRecord);
                    System.out.println(MaxRecord);
          buttonpanel.add(savebtn);
          java.net.URL imageURL_AddRowIcon = CommonFeatures.class.getResource("Icons/edit_add.png");
          ImageIcon AddRowIcon = new ImageIcon(imageURL_AddRowIcon);
          additemreqbtn = new JButton("Add Item", AddRowIcon);
          additemreqbtn.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent evt){
                    try{
                         //--<BEGINNING>--Clear Fields-------------------------------------------------------//
                         ItemNumberTxt.setText("");
                         UnitPriceTxt.setText("");
                         QuantityReqTxt.setText("");
                         TotPriceTxt.setText("");
                         //--<END>--Clear Fields-------------------------------------------------------------//
                         //CurrentRecord = MaxRecord;
                         currentItem++;
                         setInnerFieldText(currentItem);
                         internalnextbtn.setEnabled(false);
                         internalprevbtn.setEnabled(true);
                         System.out.println(MaxRecord);
                    } catch(Exception ec){ec.printStackTrace();}
          buttonpanel.add(additemreqbtn);
          externalnextbtn = new JButton(createNextButtonIcon());
          externalnextbtn.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent evt){
                    getFieldText(CurrentRecord);
                    externalprevbtn.setEnabled(true);
                    if(CurrentRecord < MaxRecord){
                         ++CurrentRecord;
                         setFieldText(CurrentRecord);
                         System.out.println(CurrentRecord);//Checking RECORD_NUM
                    if(CurrentRecord == MaxRecord){
                         externalnextbtn.setEnabled(false);
          buttonpanel.add(externalnextbtn);
          return buttonpanel;
     //TODO
     public void setFieldText(int orderID){//TODO
          orderDetails[orderID].setCustID(Integer.parseInt(CustIDTxt.getText()));
          orderDetails[orderID].setCustOrderID(Integer.parseInt(CustOrderIDTxt.getText()));
          orderDetails[orderID].setOrderDate(OrderedDateTxt.getText());
          orderDetails[orderID].setInnerCustOrdObj(innerCustOrdObj);
          orderDetails[orderID].setMaxItems(MaxItems);
          setInnerFieldText(currentItem);
          orderDetails[orderID].setGrandTotal(Float.parseFloat(GrandTotTxt.getText()));
     public void setInnerFieldText(int currentItem){//TODO
          innerCustOrdObj[currentItem] = new InnerCustOrdObject();
          innerCustOrdObj[currentItem].setItemNumber(Integer.parseInt(ItemNumberTxt.getText()));
          innerCustOrdObj[currentItem].setUnitPrice(Float.parseFloat(UnitPriceTxt.getText()));
          innerCustOrdObj[currentItem].setQuantityRequired(Integer.parseInt(QuantityReqTxt.getText()));
          innerCustOrdObj[currentItem].setTotalPrice(Float.parseFloat(TotPriceTxt.getText()));
     public void getFieldText(int orderID){
          CustIDTxt.setText(Integer.toString(orderDetails[orderID].getCustID()));
          CustOrderIDTxt.setText(Integer.toString(orderDetails[orderID].getCustOrderID()));
          OrderedDateTxt.setText(""+orderDetails[orderID].getOrderDate());          
          currentItem = orderDetails[orderID].getMaxItems();
          System.err.println("currentItem" + currentItem);
          getInnerFieldText(currentItem);
          GrandTotTxt.setText(Float.toString(orderDetails[orderID].getGrandTotal()));
     public void getInnerFieldText(int currentItem){
          ItemNumberTxt.setText(Integer.toString(innerCustOrdObj[currentItem].getItemNumber()));
          UnitPriceTxt.setText(Float.toString(innerCustOrdObj[currentItem].getUnitPrice()));
          QuantityReqTxt.setText(Integer.toString(innerCustOrdObj[currentItem].getQuantityRequired()));
          TotPriceTxt.setText(Float.toString(innerCustOrdObj[currentItem].getTotalPrice()));
     public void writeOrder(){//TODO
          try {
               objOut = new ObjectOutputStream(new FileOutputStream(OrderDetailsFile));
               objOut.writeObject(orderDetails);
               System.out.println("WORKING!");
               objOut.flush();
               objOut.close();
          } catch (IOException e) {
               e.printStackTrace();
     public Object readOrder(){
          Object temporaryObj;
          try{
               objIn = new ObjectInputStream(new FileInputStream(OrderDetailsFile));
               temporaryObj = objIn.readObject();               
               CustOrdObject[] blah = (CustOrdObject[]) temporaryObj;
               System.out.println("Outer: "+blah[1].getCustID());
               InnerCustOrdObject[] whee = blah[1].getInnerCustOrdObj();
               System.out.println("Inner: "+whee[1].getItemNumber());
               objIn.close();
               System.out.println("Read Worky!");
               return temporaryObj;
          }catch(Exception e){
               e.printStackTrace();
               System.out.println("Read No Worky!");
               return null;
     public void writeRecordNumber(int MaxRecord){
          try{
               objOut = new ObjectOutputStream(new FileOutputStream(OrdRecordNumStore));
               objOut.writeObject(MaxRecord);
               System.out.println("WORKING!");
               objOut.flush();
               objOut.close();
          }catch(Exception e){e.printStackTrace();}
     public int readRecordNumber() {
          try {
               objIn = new ObjectInputStream(new FileInputStream(OrdRecordNumStore));
               int temporaryObj = Integer.parseInt(objIn.readObject().toString());
               objIn.close();
               System.out.println("Read Number Worky!");
               return temporaryObj;
          } catch (Exception e) {
               e.printStackTrace();
               System.out.println("Read Number No Worky!");
               return -1;
}Message was edited by:
Kilik07
Message was edited by:
Kilik07

Answer 1

ok i got reading to work to a certain extent... but the prob is i cnt seem to save my innerCustOrdObj proprly...when ever i look for a record using the gotorecordbtn, the outerobject, which is the orderDetails, seems to change but the innerCustOrdObj remains the same... heres the new code..
public class CustomerOrderDetails extends CommonFeatures{
     //TODO
     private static int MAX_ORDERS = 200;
     private static int MAX_ORDERITEMS = 100;
     private static int MaxRecord;
     private static int CurrentRecord = 1;
     private static int currentItem;
     private static int MaxItems = 1;
     private static boolean FileExists, recFileExists;
     private static boolean RecordExists;
     private static CustOrdObject[] orderDetails = new CustOrdObject[MAX_ORDERS];
     private static InnerCustOrdObject[] innerCustOrdObj = new InnerCustOrdObject[MAX_ORDERITEMS];     
     private static File OrderDetailsFile = new File("CustOrdDetails.ser");
     private static File OrdRecordNumStore = new File("OrdRecordNumStore.txt");
     private static PrintWriter writeFile;
     private static BufferedReader readFile;
     private static ObjectOutputStream objOut;
     private static ObjectInputStream objIn;
     //Set format for date
     SimpleDateFormat simpleDF = new SimpleDateFormat("dd MM yyyy");
     //--<BEGINNING>--Declaring Interface Variables------------------------------------------//
     private JPanel innertoppanel, innercenterpanel, innerbottompanel, innerrightpanel, innerleftpanel;
     private JLabel CustIDLbl, CustOrderIDLbl, OrderedDateLbl, GrandTotLbl, ItemNumberLbl,UnitPriceLbl, QuantityReqLbl, TotPriceLbl;
     private JTextField CustIDTxt, CustOrderIDTxt, OrderedDateTxt, GrandTotTxt, ItemNumberTxt, UnitPriceTxt, QuantityReqTxt, TotPriceTxt;
     private JButton addrecordbtn, savebtn, externalprevbtn, externalnextbtn, internalprevbtn, internalnextbtn, gotorecordbtn, additemreqbtn;
     //--<END>--Declaring Interface Variables------------------------------------------------//
     public static void main(String[] args) {
          final CustomerOrderDetails COD = new CustomerOrderDetails();
          java.awt.EventQueue.invokeLater(new Runnable() {
               public void run() {
                    try {
                         UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
                         COD.createCustOrdDetailsScreen();
                    } catch (Exception eb) {
                         eb.printStackTrace();
     //--<BEGINNING>--Creating CustomerOrderDetails Screen---------------------------------------//
     public JFrame createCustOrdDetailsScreen() {
          createDefaultFrame();
          mainframe.setSize(800,500);
          createContainerPanel();
          containerpanel.add(createCustOrdDetailsTitle(), BorderLayout.NORTH);
          containerpanel.add(createCustOrdDetailsMainPanel(), BorderLayout.CENTER);
          //containerpanel.add(createCustOrdDetailsLeftNavButtons(), BorderLayout.WEST);
          //containerpanel.add(createCustOrdDetailsRightNavButtons(), BorderLayout.EAST);
          containerpanel.add(createCustOrdDetailsButtons(), BorderLayout.SOUTH);
          mainframe.setContentPane(containerpanel);
          mainframe.setLocationRelativeTo(null);
          mainframe.setVisible(true);
          //--<BEGINNING>--Checks to see whether CRecordNumberStore file exists-------------------------------//
          if (OrdRecordNumStore.exists() == true) {
               recFileExists = true;
          }else {
               recFileExists = false;
          if (recFileExists == true) {
               MaxRecord = readRecordNumber();
               CurrentRecord = MaxRecord;
               //readOrder();
               //readInnerOrderRecord(CurrentRecord);
               System.out.println("Current Record " +CurrentRecord);
               System.out.println("Max Record " +MaxRecord);
          }else{
               MaxRecord = 1;
               writeRecordNumber(MaxRecord);
               CustOrderIDTxt.setText(""+MaxRecord);
               System.out.println("Current Record " +CurrentRecord);
               System.out.println("Max Record " +MaxRecord);
          //--<END>--Checks to see whether CRecordNumberStore file exists--------------------------------------//
          if(readOrder() != null){
               orderDetails = (CustOrdObject[]) readOrder();
               //CurrentRecord--;
               //System.out.println("Current Rec Here"+CurrentRecord);
               if(orderDetails[CurrentRecord] == null){
                    System.err.println("CustomerOrderObj 1 is null !!");
               }else{
                    System.err.println("CustomerOrderObj 1 is  not null !!");
               if(orderDetails[CurrentRecord].getInnerCustOrdObj() == null){
                    System.err.println("InnerCustomerOrderObj is null !!");
               }else{
                    System.err.println("InnerCustomerOrderObj is  not null !!");
               innerCustOrdObj = orderDetails[CurrentRecord].getInnerCustOrdObj();
               MaxItems = orderDetails[CurrentRecord].getMaxItems();
               if(CurrentRecord > 1 && CurrentRecord < MaxRecord){
                    externalnextbtn.setEnabled(true);
                    externalprevbtn.setEnabled(true);
               if(CurrentRecord >= MaxRecord){
                    externalnextbtn.setEnabled(false);
               getFieldText(CurrentRecord);
               getInnerFieldText(MaxItems);
          }else{
               orderDetails[CurrentRecord] = new CustOrdObject();
               currentItem = 1;
          return mainframe;
     //--<END>--Creating CustomerOrderDetails Screen---------------------------------------------//
     public JPanel createCustOrdDetailsTitle(){
          createTitlePanel();
          titlepanel.setBackground(TxtfontColor);
          label.setText("- Customer Order Details -");
          labelpanel.setBackground(TxtfontColor);
          label.setForeground(Color.white);
          createbuttonpanel();
          buttonpanel.setBackground(TxtfontColor) ;
          buttonpanel.add(createReturnToMainMenuButton());
          titlepanel.add(labelpanel, BorderLayout.WEST);
          titlepanel.add(buttonpanel, BorderLayout.EAST);
          return titlepanel;
     public JPanel createCustOrdDetailsMainPanel(){
          createmainpanel();
          mainpanel.setBackground(TxtfontColor);
          mainpanel.setLayout(new BorderLayout());          
          mainpanel.setBorder(BorderFactory.createTitledBorder(""));
          mainpanel.add(createInnerTopPanel(), BorderLayout.NORTH);
          mainpanel.add(createInnerCenterPanel(), BorderLayout.CENTER);
          mainpanel.add(createInnerBottomPanel(), BorderLayout.SOUTH);
          mainpanel.add(createInnerRightPanel(), BorderLayout.EAST);
          mainpanel.add(createInnerLeftPanel(), BorderLayout.WEST);
          return mainpanel;
     public JPanel createInnerTopPanel(){
          innertoppanel = new JPanel(new GridBagLayout());
          innertoppanel.setBackground(TxtfontColor);
          GridBagConstraints GBC = new GridBagConstraints();
          GBC.fill = GridBagConstraints.HORIZONTAL;
          //Setting Font Type and Size
          Font font = new Font("Arial", Font.BOLD, 11);
          CustIDLbl = new JLabel("Customer ID");
          CustIDLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          CustIDLbl.setFont(font);
          CustIDLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 1;
          innertoppanel.add(CustIDLbl, GBC);     
          CustIDTxt = new JTextField(20);
          CustIDTxt.setEditable(true);
          GBC.gridx = 2;
          GBC.gridy = 1;
          innertoppanel.add(CustIDTxt, GBC);
          GBC.gridx = 3;
          GBC.gridy = 1;
          innertoppanel.add(Box.createHorizontalStrut(220), GBC);
          OrderedDateLbl = new JLabel("Order Date");
          OrderedDateLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          OrderedDateLbl.setFont(font);
          OrderedDateLbl.setForeground(LblfontColor);
          GBC.gridx = 4;
          GBC.gridy = 1;
          innertoppanel.add(OrderedDateLbl, GBC);     
          //Get today's date
          Date todaydate = new Date();
          OrderedDateTxt = new JTextField(simpleDF.format(todaydate), 20);
          OrderedDateTxt.setHorizontalAlignment(JTextField.CENTER);
          OrderedDateTxt.setEditable(false);
          GBC.gridx = 5;
          GBC.gridy = 1;
          innertoppanel.add(OrderedDateTxt, GBC);
          CustOrderIDLbl = new JLabel("Customer Order ID");
          CustOrderIDLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          CustOrderIDLbl.setFont(font);
          CustOrderIDLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 2;
          innertoppanel.add(CustOrderIDLbl, GBC);
          CustOrderIDTxt = new JTextField(20);
          //CustOrderIDTxt.setEditable(false);
          GBC.gridx = 2;
          GBC.gridy = 2;
          innertoppanel.add(CustOrderIDTxt, GBC);
          return innertoppanel;
     public JPanel createInnerCenterPanel(){
          innercenterpanel = new JPanel(new GridBagLayout());
          innercenterpanel.setBackground(TxtfontColor);
          innercenterpanel.setBorder(BorderFactory.createLoweredBevelBorder());
          GridBagConstraints GBC = new GridBagConstraints();
          GBC.fill = GridBagConstraints.HORIZONTAL;
          //Setting Font Type and Size
          Font font = new Font("Arial", Font.BOLD, 11);
          ItemNumberLbl = new JLabel("Item Number");
          ItemNumberLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          ItemNumberLbl.setFont(font);
          ItemNumberLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 1;
          innercenterpanel.add(ItemNumberLbl, GBC);     
          ItemNumberTxt = new JTextField(20);
          GBC.gridx = 2;
          GBC.gridy = 1;
          innercenterpanel.add(ItemNumberTxt, GBC);
          UnitPriceLbl = new JLabel("Unit Price");
          UnitPriceLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          UnitPriceLbl.setFont(font);
          UnitPriceLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 2;
          innercenterpanel.add(UnitPriceLbl, GBC);     
          UnitPriceTxt = new JTextField(20);
          //UnitPriceTxt.setEditable(false);
          GBC.gridx = 2;
          GBC.gridy = 2;
          innercenterpanel.add(UnitPriceTxt, GBC);
          QuantityReqLbl = new JLabel("Quantity Required");
          QuantityReqLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          QuantityReqLbl.setFont(font);
          QuantityReqLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 3;
          innercenterpanel.add(QuantityReqLbl, GBC);     
          QuantityReqTxt = new JTextField(20);
          //QuantityReqTxt.setEditable(false);
          GBC.gridx = 2;
          GBC.gridy = 3;
          innercenterpanel.add(QuantityReqTxt, GBC);
          TotPriceLbl = new JLabel("Total Price");
          TotPriceLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          TotPriceLbl.setFont(font);
          TotPriceLbl.setForeground(LblfontColor);
          GBC.gridx = 1;
          GBC.gridy = 4;
          innercenterpanel.add(TotPriceLbl, GBC);     
          TotPriceTxt = new JTextField(20);
          TotPriceTxt.setEditable(false);
          TotPriceTxt.addFocusListener(new FocusAdapter(){
               public void focusGained(FocusEvent evt){
                    TotPriceTxt.setText(""+Integer.parseInt(UnitPriceTxt.getText())*Integer.parseInt(QuantityReqTxt.getText()));
          GBC.gridx = 2;
          GBC.gridy = 4;
          innercenterpanel.add(TotPriceTxt, GBC);
          return innercenterpanel;
     public JPanel createInnerBottomPanel(){
          innerbottompanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
          innerbottompanel.setBackground(TxtfontColor);
          //Setting Font Type and Size
          Font font = new Font("Arial", Font.BOLD, 11);
          GrandTotLbl = new JLabel("Grand Total");
          GrandTotLbl.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
          GrandTotLbl.setFont(font);
          GrandTotLbl.setForeground(LblfontColor);
          innerbottompanel.add(GrandTotLbl);
          innerbottompanel.add(Box.createHorizontalStrut(30));
          GrandTotTxt = new JTextField(20);
          innerbottompanel.add(GrandTotTxt);
          return innerbottompanel;
     public JPanel createInnerRightPanel(){
          innerrightpanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
          innerrightpanel.setBackground(TxtfontColor);
          innerrightpanel.setLayout(new BoxLayout(navrightpanel, BoxLayout.Y_AXIS));
          innerrightpanel.setBorder(BorderFactory.createLoweredBevelBorder());
          innerrightpanel.setLayout(new GridBagLayout());          
          GridBagConstraints GBC = new GridBagConstraints();
          GBC.fill = GridBagConstraints.HORIZONTAL;
          internalnextbtn = new JButton(createNextButtonIcon());
          GBC.gridx = 1;
          GBC.gridy = 1;
          internalnextbtn.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent evt){
                    getInnerFieldText(currentItem);
                    internalprevbtn.setEnabled(true);
                    if(currentItem < MaxItems){
                         ++currentItem;
                         orderDetails[CurrentRecord].getInnerCustOrdObj();
                         setInnerFieldText(currentItem);
                         System.out.println("Current Item" + currentItem);
                    if(currentItem == MaxItems){
                         internalnextbtn.setEnabled(false);
          innerrightpanel.add(internalnextbtn, GBC);
          return innerrightpanel;
     public JPanel createInnerLeftPanel(){
          innerleftpanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
          innerleftpanel.setBackground(TxtfontColor);
          innerleftpanel.setBorder(BorderFactory.createLoweredBevelBorder());
          innerleftpanel.setForeground(Color.BLACK);
          innerleftpanel.setLayout(new GridBagLayout());          
          GridBagConstraints GBC = new GridBagConstraints();
          GBC.fill = GridBagConstraints.HORIZONTAL;
          internalprevbtn = new JButton(createPreviousButtonIcon());
          GBC.gridx = 1;
          GBC.gridy = 1;
          internalprevbtn.addActionListener(new ActionListener(){
               public void  actionPerformed(ActionEvent evt){
                    getInnerFieldText(currentItem);
                    internalnextbtn.setEnabled(true);
                    if(currentItem == 1){
                         internalprevbtn.setEnabled(false);
                    if(currentItem > 0){
                         --currentItem;
                         orderDetails[CurrentRecord].getInnerCustOrdObj();
                         setInnerFieldText(currentItem);
                         System.out.println("Current Item" + currentItem);
          innerleftpanel.add(internalprevbtn, GBC);
          return innerleftpanel;
     public JPanel createCustOrdDetailsButtons(){
          createbuttonpanel();
          buttonpanel.setBackground(TxtfontColor);
          externalprevbtn = new JButton(createPreviousButtonIcon());
          externalprevbtn.addActionListener(new ActionListener(){
               public void  actionPerformed(ActionEvent evt){
                    getFieldText(CurrentRecord);
                    externalnextbtn.setEnabled(true);
                    if(CurrentRecord == 1){
                         externalprevbtn.setEnabled(false);
                    if(CurrentRecord > 0){
                         --CurrentRecord;
                         setFieldText(CurrentRecord);
                         System.out.println("Current Record " + CurrentRecord);//Checking RECORD_NUM
          buttonpanel.add(externalprevbtn);
          addrecordbtn = new JButton("Add Record", createAddButtonIcon());
          addrecordbtn.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent evt){
                    try{
                         MaxRecord = readRecordNumber();
                         MaxRecord++;
                         CurrentRecord = MaxRecord;
                         orderDetails[CurrentRecord] = new CustOrdObject();
                         writeRecordNumber(MaxRecord);
                         MaxItems = 1;
                         innerCustOrdObj[MaxItems] = new InnerCustOrdObject();
                         //--<BEGINNING>--Clear Fields-------------------------------------------------------//
                         CustIDTxt.setText("");
                         CustOrderIDTxt.setText(""+MaxRecord);
                         //Get today's date
                         Date todaydate = new Date();
                         OrderedDateTxt.setText(""+simpleDF.format(todaydate));
                         ItemNumberTxt.setText("");
                         UnitPriceTxt.setText("");
                         QuantityReqTxt.setText("");
                         TotPriceTxt.setText("");
                         GrandTotTxt.setText("");
                         //--<END>--Clear Fields-------------------------------------------------------------//
                         externalnextbtn.setEnabled(false);
                         externalprevbtn.setEnabled(true);
                         System.out.println(MaxRecord);
                    } catch(Exception ec){ec.printStackTrace();}
          buttonpanel.add(addrecordbtn);
          savebtn = new JButton("Save Data", createSaveButtonIcon());
          savebtn.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent evt){
                    setFieldText(CurrentRecord);
                    setInnerFieldText(MaxItems);
                    writeOrder();
                    writeRecordNumber(MaxRecord);
                    System.out.println(CurrentRecord);
                    System.out.println(MaxRecord);
          buttonpanel.add(savebtn);
          java.net.URL imageURL_AddRowIcon = CommonFeatures.class.getResource("Icons/edit_add.png");
          ImageIcon AddRowIcon = new ImageIcon(imageURL_AddRowIcon);
          additemreqbtn = new JButton("Add Item", AddRowIcon);
          additemreqbtn.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent evt){
                    try{
                         //--<BEGINNING>--Clear Fields-------------------------------------------------------//
                         ItemNumberTxt.setText("");
                         UnitPriceTxt.setText("");
                         QuantityReqTxt.setText("");
                         TotPriceTxt.setText("");
                         //--<END>--Clear Fields-------------------------------------------------------------//
                         //CurrentRecord = MaxRecord;
                         MaxItems++;
                         innerCustOrdObj[MaxItems] = new InnerCustOrdObject();
                         System.out.println("Max Items "+MaxItems);
                         currentItem = MaxItems;
                         orderDetails[CurrentRecord].setMaxItems(MaxItems);
                         ///setInnerFieldText(currentItem);
                         internalnextbtn.setEnabled(false);
                         internalprevbtn.setEnabled(true);
                    } catch(Exception ec){ec.printStackTrace();}
          buttonpanel.add(additemreqbtn);
          externalnextbtn = new JButton(createNextButtonIcon());
          externalnextbtn.addActionListener(new ActionListener(){
               public void actionPerformed(ActionEvent evt){
                    getFieldText(CurrentRecord);
                    externalprevbtn.setEnabled(true);
                    if(CurrentRecord < MaxRecord){
                         ++CurrentRecord;
                         setFieldText(CurrentRecord);
                         System.out.println(CurrentRecord);//Checking RECORD_NUM
                    if(CurrentRecord == MaxRecord){
                         externalnextbtn.setEnabled(false);
          buttonpanel.add(externalnextbtn);
          gotorecordbtn = new JButton("Go To Record", createGotoButtonIcon());
          gotorecordbtn.addActionListener(new ActionListener() {
               public void actionPerformed(ActionEvent evt){
                     * The text from the GotorecordTxt textfield will be taken and assigned
                     * to a temporary integer variable called Find. 
                    int Find = Integer.parseInt(CustOrderIDTxt.getText());
                    for(int j=1; j <= MaxRecord; j++){
                          * Using a for loop, each record can be read using the readCustRecord
                          * method.
                         getFieldText(j);
                          * An if condition is utilized to check whether the temporary stored variable, Find,
                          * matches a field in a record. If this record is found, then using the RecordExists
                          * which was declared at the top, either a true or false statement can be assigned
                          * If the record exists, then a true statement will be assigned, if not a false
                          * statement will be assigned.
                         if(orderDetails[j].getCustOrderID() == Find){
                              RecordExists = true;
                              break;
                         }else{
                              RecordExists = false;
                    if(RecordExists == false){
                          * If the RecordExists is assigned a false statement, then a message will be
                          * displayed to show that the record does not exist.
                         JOptionPane.showMessageDialog(null, "Record Does Not Exist!", "Error Message", JOptionPane.ERROR_MESSAGE, createErrorIcon());
                    }else{
                         getFieldText(Find);
          buttonpanel.add(gotorecordbtn);
          return buttonpanel;
     //TODO
     public void setFieldText(int orderID){//TODO
          orderDetails[orderID].setCustID(Integer.parseInt(CustIDTxt.getText()));
          orderDetails[orderID].setCustOrderID(Integer.parseInt(CustOrderIDTxt.getText()));
          orderDetails[orderID].setOrderDate(OrderedDateTxt.getText());
          orderDetails[orderID].setInnerCustOrdObj(innerCustOrdObj);
          orderDetails[orderID].setMaxItems(MaxItems);
          setInnerFieldText(currentItem);
          orderDetails[orderID].setGrandTotal(Float.parseFloat(GrandTotTxt.getText()));
     public void setInnerFieldText(int currentItem){//TODO
          innerCustOrdObj[currentItem] = new InnerCustOrdObject();
          innerCustOrdObj[currentItem].setMaxItems(MaxItems);
          innerCustOrdObj[currentItem].setItemNumber(Integer.parseInt(ItemNumberTxt.getText()));
          innerCustOrdObj[currentItem].setUnitPrice(Float.parseFloat(UnitPriceTxt.getText()));
          innerCustOrdObj[currentItem].setQuantityRequired(Integer.parseInt(QuantityReqTxt.getText()));
          innerCustOrdObj[currentItem].setTotalPrice(Float.parseFloat(TotPriceTxt.getText()));
     public void getFieldText(int orderID){
          CustIDTxt.setText(Integer.toString(orderDetails[orderID].getCustID()));
          CustOrderIDTxt.setText(Integer.toString(orderDetails[orderID].getCustOrderID()));
          OrderedDateTxt.setText(""+orderDetails[orderID].getOrderDate());          
          currentItem = orderDetails[orderID].getMaxItems();
          orderDetails[orderID].getInnerCustOrdObj();
          System.err.println("currentItem" + currentItem);
          //getInnerFieldText(currentItem);
          GrandTotTxt.setText(Float.toString(orderDetails[orderID].getGrandTotal()));
     public void getInnerFieldText(int currentItem){
          ItemNumberTxt.setText(Integer.toString(innerCustOrdObj[currentItem].getItemNumber()));
          UnitPriceTxt.setText(Float.toString(innerCustOrdObj[currentItem].getUnitPrice()));
          QuantityReqTxt.setText(Integer.toString(innerCustOrdObj[currentItem].getQuantityRequired()));
          TotPriceTxt.setText(Float.toString(innerCustOrdObj[currentItem].getTotalPrice()));
     public void writeOrder(){//TODO
          try {
               objOut = new ObjectOutputStream(new FileOutputStream(OrderDetailsFile));
               objOut.writeObject(orderDetails);
               System.out.println("WORKING!");
               objOut.flush();
               objOut.close();
          } catch (IOException e) {
               e.printStackTrace();
     public Object readOrder(){
          Object temporaryObj;
          try{
               objIn = new ObjectInputStream(new FileInputStream(OrderDetailsFile));
               temporaryObj = objIn.readObject();               
               CustOrdObject[] blah = (CustOrdObject[]) temporaryObj;
               /*               System.out.println("Outer: "+blah[1].getCustID());
               InnerCustOrdObject[] whee = blah[1].getInnerCustOrdObj();
               System.out.println("Inner: "+whee[1].getItemNumber());*/
               objIn.close();
               System.out.println("Read Worky!");
               return temporaryObj;
          }catch(Exception e){
               e.printStackTrace();
               System.out.println("Read No Worky!");
               return null;
     public void writeRecordNumber(int MaxRecord){
          try{
               objOut = new ObjectOutputStream(new FileOutputStream(OrdRecordNumStore));
               objOut.writeObject(MaxRecord);
               System.out.println("WORKING!");
               objOut.flush();
               objOut.close();
          }catch(Exception e){e.printStackTrace();}
     public int readRecordNumber() {
          try {
               objIn = new ObjectInputStream(new FileInputStream(OrdRecordNumStore));
               int temporaryObj = Integer.parseInt(objIn.readObject().toString());
               objIn.close();
               System.out.println("Read Number Worky!");
               return temporaryObj;
          } catch (Exception e) {
               e.printStackTrace();
               System.out.println("Read Number No Worky!");
               return -1;
}Message was edited by:
Kilik07