Problem with small java program

Question

need some help with a small Java assignment I am doing.
When I compile the code i get 2 errors they are
invalid method declaration: return type required
public CreateRandomFile() LINE 87
^
cannot resolve symbol
new CreateRandomFile(); LINE 112
^
Any help is greatly appreciated
**********CODE BEGINS HERE ***********************
import javax.swing.*;
import java.io.*;
import BreezySwing.*;
public class RandomTest extends GBFrame
JLabel accLabel = addLabel("Account Number",1,1,1,1);
IntegerField accField = addIntegerField(0,1,2,1,1);
JLabel firstLabel = addLabel("First Name",2,1,1,1);
JTextField firstField = addTextField("",2,2,1,1);
JLabel lastLabel = addLabel("Last Name",3,1,1,1);
JTextField lastField = addTextField("",3,2,1,1);
JTextArea resultArea = addTextArea("",4,1,2,3);
JButton acceptButton = addButton("Accept",7,1,2,1);
JButton accessButton = addButton("Access",8,1,2,1);
JButton clearButton = addButton("Clear",9,1,2,1);
private RandomAccessFile file;
public void buttonClicked(JButton buttonObj)
if (buttonObj == acceptButton)
else
if (buttonObj == accessButton)
else
accField.setNumber(0);
resultArea.setText("");
firstField.setText("");
lastField.setText("");
private void openFile()
FileOutputStream foStream = new FileOutputStream ("acc.dat");
ObjectOutputStream doStream = new ObjectOutputStream (foStream);
if ("acc.dat" == null || "acc.dat".equals(""))
System.out.println("Invalid File Name");
else
try{
file = new RandomAccessFile ("acc.dat","rw");
catch (IOException e)
System.out.println("File does not exist or Invalid File Name");
private Record getRecord()
Record record = new Record();
int accountNumber;
try{
accountNumber = Integer.parseInt(accField.getText());
if (accountNumber <1 || accountNumber >100)
System.out.println("Account doesn't exist");
return null;
file.seek((accountNumber -1)*Record.size());
record.read(file);
catch (NumberFormatException nfe)
System.out.println("Account does not exist");
System.out.println("Invalid Number Format");
catch (IOException io)
System.out.println("Error reading file");
return record;
public createRandomFile() // <----- ERROR HERE
Record blank = new Record();
openFile();
try{
file = new RandomAccessFile("acc.dat", "rw");
for (int i=0;i<100;i++)
blank.write(file);
System.exit(0);
catch (IOException e )
System.out.println("File doesn't exist");
System.out.println("Invalid File Name");
System.exit(1);
public static void main(String args[])
JFrame tpo = new RandomTest();
tpo.setTitle("Assignment 1");
tpo.setSize(200,330);
tpo.setVisible(true);
new createRandomFile(); // <--- ERROR HERE
}

Answer 1

I changed the things you suggested by have a new error of
cannot resolve symbol
symbol : method createRandomFile ()
location: class javax.swing.JFrame
tpo.createRandomFile();
^
**************new code here***************************
import javax.swing.*;
import java.io.*;
import BreezySwing.*;
public class RandomTest extends GBFrame
     JLabel accLabel = addLabel("Account Number",1,1,1,1);
     IntegerField accField = addIntegerField(0,1,2,1,1);
     JLabel firstLabel = addLabel("First Name",2,1,1,1);
     JTextField firstField = addTextField("",2,2,1,1);
     JLabel lastLabel = addLabel("Last Name",3,1,1,1);
     JTextField lastField = addTextField("",3,2,1,1);
JTextArea resultArea = addTextArea("",4,1,2,3);
JButton acceptButton = addButton("Accept",7,1,2,1);
JButton accessButton = addButton("Access",8,1,2,1);
     JButton clearButton = addButton("Clear",9,1,2,1);
     private RandomAccessFile file;
public void buttonClicked(JButton buttonObj)
     if (buttonObj == acceptButton)
     else
     if (buttonObj == accessButton)
     else
     accField.setNumber(0);
     resultArea.setText("");
     firstField.setText("");
     lastField.setText("");
private void openFile()
     FileOutputStream foStream = new FileOutputStream ("acc.dat");
     ObjectOutputStream doStream = new ObjectOutputStream (foStream);
     if ("acc.dat" == null || "acc.dat".equals(""))
     System.out.println("Invalid File Name");
     else
     try{
          file = new RandomAccessFile ("acc.dat","rw");
     catch (IOException e)
          System.out.println("File does not exist or Invalid File Name");
private Record getRecord()
     Record record = new Record();
     int accountNumber;
     try{
          accountNumber = Integer.parseInt(accField.getText());
     if (accountNumber <1 || accountNumber >100)
          System.out.println("Account doesn't exist");
          return null;
     file.seek((accountNumber -1)*Record.size());
     record.read(file);
     catch (NumberFormatException nfe)
     System.out.println("Account does not exist");
     System.out.println("Invalid Number Format");
     catch (IOException io)
          System.out.println("Error reading file");
return record;
public void createRandomFile()
Record blank = new Record();
openFile();
try{
     file = new RandomAccessFile("acc.dat", "rw");
     for (int i=0;i<100;i++)
     blank.write(file);
     System.exit(0);
catch (IOException e )
     System.out.println("File doesn't exist");
     System.out.println("Invalid File Name");
     System.exit(1);     
public static void main(String args[])
JFrame tpo = new RandomTest();
tpo.setTitle("Assignment 1");
tpo.setSize(200,330);
tpo.setVisible(true);
tpo.createRandomFile();
}