Error Message(I can't pickout the problem)

Question

I compiled my program and got the following error message.
The code is long and i realise people have little time to spare
but i would appreciate someone can tell me why.
===
H:\myjava>javac LPCPROJECT1.java
LPCPROJECT1.java:125: showSaveDialog(java.awt.Component) in javax.swing.JFileCho
oser cannot be applied to (LPCPROJECT1.Savehandler)
int result = fileChooser.showSaveDialog( this );
^
LPCPROJECT1.java:169: inner classes cannot have static declarations
public static void main (String [] args)
^
2 errors
====
import javax.swing.*;
//import javax.swing.table.AbstractTableModel;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
//import javax.swing.JTable;
//import javax.swing.table.TableColumn;
//import javax.swing.DefaultCellEditor;
//import javax.swing.table.TableCellRenderer;
//import javax.swing.table.DefaultTableCellRenderer;
//import javax.swing.JScrollPane;
//import javax.swing.JComboBox;
//import javax.swing.JFrame;
//import javax.swing.SwingUtilities;
//import javax.swing.JOptionPane;
public class LPCPROJECT1 extends JApplet
{ private int MemorySize=100;
private JTextField MemoryContent[];
private JLabel MemoryAddress[],MemoryAdd1,MemoryAdd2;
private JPanel Memory1,Memory2,Memory3,Memory,Right,mainpane;
private JScrollPane scrollPane1;
private JButton load,save,clear,exit;
private File fileName;
public void init()
{ load=new JButton("LOAD");
//run.setMinimumSize(new Dimension(170,40));
//run.setPreferredSize(new Dimension(170,40));
//run.setMaximumSize(new Dimension(170,40));
save=new JButton("SAVE");
Savehandler Sa=new Savehandler();
save.addActionListener(Sa);
clear=new JButton("CLEAR");
exit=new JButton("EXIT");
JPanel Memory1 = new JPanel();
Memory1.setLayout(new FlowLayout());
Memory1.add(load);
Memory1.add(save);
Memory1.add(clear);
Memory1.add(exit);
MemoryAdd1=new JLabel("MemoryAddress");
MemoryAdd1.setBorder(BorderFactory.createLineBorder(Color.black));
MemoryAdd1.setPreferredSize(new Dimension(147,45));
MemoryAdd1.setMinimumSize(new Dimension(147,45));
MemoryAdd1.setMaximumSize(new Dimension(147,45));
MemoryAdd2=new JLabel("MemoryContent");
MemoryAdd2.setBorder(BorderFactory.createLineBorder(Color.black));
MemoryAdd2.setPreferredSize(new Dimension(147,45));
MemoryAdd2.setMinimumSize(new Dimension(147,45));
MemoryAdd2.setMaximumSize(new Dimension(147,45));
Memory2=new JPanel();
Memory2.setBackground(Color.red);
Memory2.setLayout(new BoxLayout(Memory2, BoxLayout.X_AXIS));
Memory2.setPreferredSize(new Dimension(295,45));
Memory2.setMinimumSize(new Dimension(295,45));
Memory2.setMaximumSize(new Dimension(295,45));
MemoryAdd1.setAlignmentX (Component.CENTER_ALIGNMENT);
Memory2.add(MemoryAdd1);
MemoryAdd2.setAlignmentX (Component.CENTER_ALIGNMENT);
Memory2.add(MemoryAdd2);
MemoryAddress=new JLabel[MemorySize];
for(int i=0;i<MemoryAddress.length;i++)
{ MemoryAddress[i]=new JLabel(" "+i);
MemoryContent=new JTextField[MemorySize];
for(int i=0;i<MemoryContent.length;i++)
{ MemoryContent[i]=new JTextField();
Memory3=new JPanel();
Memory3.setBackground(Color.red);
Memory3.setLayout(new GridLayout(MemorySize+1,2));
for(int i=0;i<MemorySize;i++)
{ Memory3.add(MemoryAddress[i]);
Memory3.add(MemoryContent);
scrollPane1=new JScrollPane(Memory3);
scrollPane1.setPreferredSize(new Dimension(300, 570));
scrollPane1.setMinimumSize(new Dimension(300, 570));
scrollPane1.setMaximumSize(new Dimension(300, 570));
Memory=new JPanel();
Memory.setBackground(Color.green);
Memory.setLayout(new BoxLayout(Memory, BoxLayout.Y_AXIS));
Memory.setMinimumSize(new Dimension(300,650));
Memory.setPreferredSize(new Dimension(300,650));
Memory.setMaximumSize(new Dimension(300,650));
Memory.add(Memory1);
Memory.add(Memory2);
Memory.add(scrollPane1);
Right=new JPanel();
Right.setBackground(Color.blue);
//Right.setMinimumSize(new Dimension(295,650));
//Right.setPreferredSize(new Dimension(295,650));
//Right.setMaximumSize(new Dimension(295,650));
mainpane=new JPanel();
mainpane.setBackground(Color.magenta);
mainpane.setMinimumSize(new Dimension(695,845));
mainpane.setPreferredSize(new Dimension(695,845));
mainpane.setMaximumSize(new Dimension(695,845));
mainpane.setLayout(new BoxLayout(mainpane,BoxLayout.X_AXIS));
mainpane.add(Memory);
mainpane.add(Right);
Container c=getContentPane();
c.add(mainpane);
private class Savehandler implements ActionListener
{ public void actionPerformed(ActionEvent event)
{ JFileChooser fileChooser = new JFileChooser();
fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY );
int result = fileChooser.showSaveDialog( this );
// user clicked Cancel button on dialog
if ( result == JFileChooser.CANCEL_OPTION )
return;
fileName = fileChooser.getSelectedFile();
if ( fileName == null || fileName.getName().equals( "" ) )
JOptionPane.showMessageDialog( null,"Invalid File Name",
"Invalid File Name",
JOptionPane.ERROR_MESSAGE );
else
{ // Open the file
try
{ FileWriter out = new FileWriter(fileName);
for(int i=0;i<MemorySize;i++)
{ out.write(MemoryContent[i].getText() + "\n");
out.close();
//out = new FileOutputStream(fileName);
//p = new PrintStream( out );
catch ( IOException e )
{ JOptionPane.showMessageDialog( null,
"Error Opening File", "Error",
JOptionPane.ERROR_MESSAGE );
catch(FileNotFoundException fnfe)
{ System.err.println("FileNotFoundException: " + fnfe.getMessage());
catch(IOException ioe)
{ System.err.println("IOException: " + ioe.getMessage());
public void load()
public void clear()
public void exit()
public static void main (String [] args)
{ JFrame frame = new JFrame("LPC");
frame.addWindowListener(new WindowAdapter()
public void windowClosing(WindowEvent e)
System.exit(0);
LPCPROJECT1 LPC=new LPCPROJECT1();
LPC.init();
frame.getContentPane().add(LPC);
frame.pack();
frame.setSize(700,850);
frame.setVisible(true);
====

Answer 1

jkwhtfield replied before I finished formatting your code :P. But he's right, it should be outside SaveHandler like this:
import javax.swing.*;
//import javax.swing.table.AbstractTableModel;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
//import javax.swing.JTable;
//import javax.swing.table.TableColumn;
//import javax.swing.DefaultCellEditor;
//import javax.swing.table.TableCellRenderer;
//import javax.swing.table.DefaultTableCellRenderer;
//import javax.swing.JScrollPane;
//import javax.swing.JComboBox;
//import javax.swing.JFrame;
//import javax.swing.SwingUtilities;
//import javax.swing.JOptionPane;
public class LPCPROJECT1 extends JApplet {
     private int MemorySize=100;
     private JTextField MemoryContent[];
     private JLabel MemoryAddress[],MemoryAdd1,MemoryAdd2;
     private JPanel Memory1,Memory2,Memory3,Memory,Right,mainpane;
     private JScrollPane scrollPane1;
     private JButton load,save,clear,exit;
     private File fileName;
     public void init() {
          load=new JButton("LOAD");
          //run.setMinimumSize(new Dimension(170,40));
          //run.setPreferredSize(new Dimension(170,40));
          //run.setMaximumSize(new Dimension(170,40));
          save = new JButton("SAVE");
          Savehandler Sa=new Savehandler();
          save.addActionListener(Sa);
          clear=new JButton("CLEAR");
          exit=new JButton("EXIT");
          JPanel Memory1 = new JPanel();
          Memory1.setLayout(new FlowLayout());
          Memory1.add(load);
          Memory1.add(save);
          Memory1.add(clear);
          Memory1.add(exit);
          MemoryAdd1=new JLabel("MemoryAddress");
          MemoryAdd1.setBorder(BorderFactory.createLineBorder(Color.black));
          MemoryAdd1.setPreferredSize(new Dimension(147,45));
          MemoryAdd1.setMinimumSize(new Dimension(147,45));
          MemoryAdd1.setMaximumSize(new Dimension(147,45));
          MemoryAdd2=new JLabel("MemoryContent");
          MemoryAdd2.setBorder(BorderFactory.createLineBorder(Color.black));
          MemoryAdd2.setPreferredSize(new Dimension(147,45));
          MemoryAdd2.setMinimumSize(new Dimension(147,45));
          MemoryAdd2.setMaximumSize(new Dimension(147,45));
          Memory2=new JPanel();
          Memory2.setBackground(Color.red);
          Memory2.setLayout(new BoxLayout(Memory2, BoxLayout.X_AXIS));
          Memory2.setPreferredSize(new Dimension(295,45));
          Memory2.setMinimumSize(new Dimension(295,45));
          Memory2.setMaximumSize(new Dimension(295,45));
          MemoryAdd1.setAlignmentX(Component.CENTER_ALIGNMENT);
          Memory2.add(MemoryAdd1);
          MemoryAdd2.setAlignmentX (Component.CENTER_ALIGNMENT);
          Memory2.add(MemoryAdd2);
          MemoryAddress=new JLabel[MemorySize];
          for(int x=0;x<MemoryAddress.length;x++) {
               MemoryAddress[x]=new JLabel(" "+x);
          MemoryContent=new JTextField[MemorySize];
          for(int x=0;x<MemoryContent.length;x++) {
               MemoryContent=new JTextField();
          Memory3=new JPanel();
          Memory3.setBackground(Color.red);
          Memory3.setLayout(new GridLayout(MemorySize+1,2));
          for(int i=0;i<MemorySize;i++) {
               Memory3.add(MemoryAddress);
               Memory3.add(MemoryContent);
          scrollPane1=new JScrollPane(Memory3);
          scrollPane1.setPreferredSize(new Dimension(300, 570));
          scrollPane1.setMinimumSize(new Dimension(300, 570));
          scrollPane1.setMaximumSize(new Dimension(300, 570));
          Memory=new JPanel();
          Memory.setBackground(Color.green);
          Memory.setLayout(new BoxLayout(Memory, BoxLayout.Y_AXIS));
          Memory.setMinimumSize(new Dimension(300,650));
          Memory.setPreferredSize(new Dimension(300,650));
          Memory.setMaximumSize(new Dimension(300,650));
          Memory.add(Memory1);
          Memory.add(Memory2);
          Memory.add(scrollPane1);
          Right=new JPanel();
          Right.setBackground(Color.blue);
          //Right.setMinimumSize(new Dimension(295,650));
          //Right.setPreferredSize(new Dimension(295,650));
          //Right.setMaximumSize(new Dimension(295,650));
          mainpane=new JPanel();
          mainpane.setBackground(Color.magenta);
          mainpane.setMinimumSize(new Dimension(695,845));
          mainpane.setPreferredSize(new Dimension(695,845));
          mainpane.setMaximumSize(new Dimension(695,845));
          mainpane.setLayout(new BoxLayout(mainpane,BoxLayout.X_AXIS));
          mainpane.add(Memory);
          mainpane.add(Right);
          Container c=getContentPane();
          c.add(mainpane);
     private class Savehandler implements ActionListener {
          public void actionPerformed(ActionEvent event) {
               JFileChooser fileChooser = new JFileChooser();
               fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY );
               int result = fileChooser.showSaveDialog( this );
               // user clicked Cancel button on dialog
               if (result == JFileChooser.CANCEL_OPTION) return;
               fileName = fileChooser.getSelectedFile();
               if (fileName == null || fileName.getName().equals("")) {
                    JOptionPane.showMessageDialog(null,"Invalid File Name","Invalid File Name",JOptionPane.ERROR_MESSAGE);
               else {
               // Open the file
                    try {
                         FileWriter out = new FileWriter(fileName);
                         for(int i=0;i<MemorySize;i++) {
                              out.write(MemoryContent.getText() + "\n");
                         out.close();
                         //out = new FileOutputStream(fileName);
                         //p = new PrintStream(out);
                    catch (IOException e) {
                         JOptionPane.showMessageDialog(null,"Error Opening File", "Error",JOptionPane.ERROR_MESSAGE);
                    catch(FileNotFoundException fnfe) {
                         System.err.println("FileNotFoundException: " + fnfe.getMessage());
                    catch(IOException ioe) {
                         System.err.println("IOException: " + ioe.getMessage());
          public void load() {}
          public void clear() {}
          public void exit() {}
     public static void main (String [] args) {
          JFrame frame = new JFrame("LPC");
          frame.addWindowListener(new WindowAdapter() {
               public void windowClosing(WindowEvent e) {
                    System.exit(0);
          LPCPROJECT1 LPC=new LPCPROJECT1();
          LPC.init();
          frame.getContentPane().add(LPC);
          frame.pack();
          frame.setSize(700,850);
          frame.setVisible(true);
}There are some other errors, but I think it's because you've commented out some stuff...