Help pls whats wrong

Question

import java.awt.*;
import java.awt.event.*;
// Java extension packages
import javax.swing.*;
public class Main extends JFrame {//implements ActionListener {
JLabel DepositCurrentLable;
JTextField DepositCurrentField;
// set up GUI
public Main()     {
super( "Mustafa Al-Ani" );
GridBagLayout layout = new GridBagLayout();
Container container = getContentPane();;
GridBagConstraints constraints = new GridBagConstraints();
container.setLayout( layout );
// set up GUI
DepositCurrentLable = new JLabel( "Deposit" );
DepositCurrentField = new JTextField( "Deposit",2 );
     setBackground(Color.lightGray);
constraints.fill = GridBagConstraints.HORIZONTAL;
addComponent (DepositCurrentLable, 0,0,2,1);
addComponent (DepositCurrentField, 0,1,2,1);
setSize( 675, 150 );
setVisible(true);
private void addComponent ( Component component, int row, int column, int width, int hight )
constraints.gridx = column;
constraints.gridy = row;
constraints.gridwight = width;
constraints.gridhight = hight;
layout.setConstraints( component, constraints );
container.add ( component );
public static void main( String args[] )
Main application = new Main();
application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE );
and when i compilit it gave me this erar
--------------------Configuration: JDK version 1.3.1_05 <Default>--------------------
C:\Program Files\Xinox Software\JCreator LE\MyProjects\semster2\assignment2\Main.java:127: cannot resolve symbol
symbol : variable constraints
location: class Main
constraints.gridx = column;
^
C:\Program Files\Xinox Software\JCreator LE\MyProjects\semster2\assignment2\Main.java:128: cannot resolve symbol
symbol : variable constraints
location: class Main
constraints.gridy = row;
^
C:\Program Files\Xinox Software\JCreator LE\MyProjects\semster2\assignment2\Main.java:130: cannot resolve symbol
symbol : variable constraints
location: class Main
constraints.gridwight = width;
^
C:\Program Files\Xinox Software\JCreator LE\MyProjects\semster2\assignment2\Main.java:131: cannot resolve symbol
symbol : variable constraints
location: class Main
constraints.gridhight = hight;
^
C:\Program Files\Xinox Software\JCreator LE\MyProjects\semster2\assignment2\Main.java:133: cannot resolve symbol
symbol : variable constraints
location: class Main
layout.setConstraints( component, constraints );
^
C:\Program Files\Xinox Software\JCreator LE\MyProjects\semster2\assignment2\Main.java:133: cannot resolve symbol
symbol : variable layout
location: class Main
layout.setConstraints( component, constraints );
^
C:\Program Files\Xinox Software\JCreator LE\MyProjects\semster2\assignment2\Main.java:134: cannot resolve symbol
symbol : variable container
location: class Main
container.add ( component );
^
7 errors
Process completed.

Answer 1

no thanks i know what u mean i did it and it worked fine
but now the problim is compiled fine but when i run it it give me som error on the dos window
this the code
// Java core packages
import java.awt.*;
import java.awt.event.*;
// Java extension packages
import javax.swing.*;
public class Main extends JFrame {//implements ActionListener {
JLabel DepositCurrentLable, BalanceCurrentLable, CashOverDraftCurrentLable,
     TransferCurrentLable, IntrestOverDraftCurrentLable, ChargOverDraftCurrentLable;
JTextField DepositCurrentField, BalanceCurrentField, CashOverDraftCurrentField,
     TransferCurrentField, IntrestOverDraftCurrentField, ChargOverDraftCurrentField;
JLabel CreditBalanceCreditLable, CardPaymentCreditLable, CreditLimitCreditLable,
     TransferCreditLable, InterestRateCreditLable, ChargeOverdraftCreditLable;
JTextField CreditBalanceCreditField, CardPaymentCreditField, CreditLimitCreditField,
     TransferCreditField, InterestRateCreditField, ChargeOverdraftCreditField;
JLabel AmountSavingLable, YearSavingLable, MonthSavingLable, InterstSavingLable, GetSavingLable;
JTextField AmountSavingField, YearSavingField, MonthSavingField, InterstSavingField, GetSavingField;
JButton EnterCurrentButton, EnterCreditButton, EnterSavingButton;
JButton ExitButton;
Container container;
GridBagLayout layout;
GridBagConstraints constraints;
// set up GUI
public Main()     {
super( "Mustafa Al-Ani" );
container = getContentPane();
layout = new GridBagLayout();
container.setLayout( layout );
constraints = new GridBagConstraints();
// set up GUI
DepositCurrentLable = new JLabel( "Deposit" );
DepositCurrentField = new JTextField( "Deposit",8 );
BalanceCurrentLable = new JLabel( "Balane" );
BalanceCurrentField = new JTextField( "Balane",8 );
CashOverDraftCurrentLable = new JLabel( "Cash Over Draft" );
CashOverDraftCurrentField = new JTextField( "Cash Over Draft",8 );
TransferCurrentLable = new JLabel( "Transfer To Credit Account" );
TransferCurrentField = new JTextField( "Transfer To Credit Account",8 );
IntrestOverDraftCurrentLable = new JLabel( "Intrest Over Draft" );
IntrestOverDraftCurrentField = new JTextField( "Intrest Over Draft",8 );
ChargOverDraftCurrentLable = new JLabel( "Charg Over Draft" );
ChargOverDraftCurrentField = new JTextField( "Charg Over Draft",8 );
     EnterCurrentButton = new JButton( " Enter " );
ExitButton = new JButton( "Exit" );
CreditBalanceCreditLable = new JLabel( "Credit Balance" );
CreditBalanceCreditField = new JTextField( "CreditBalance",8 );
CardPaymentCreditLable = new JLabel( "Card Payment" );
CardPaymentCreditField = new JTextField( "Card Payment",8 );
CreditLimitCreditLable = new JLabel( "Credit Limit" );
CreditLimitCreditField = new JTextField( "CreditLimit",8 );
TransferCreditLable = new JLabel( "Transfer To Current Account" );
TransferCreditField = new JTextField( "Transfer To Current Account",8 );
InterestRateCreditLable = new JLabel( "Interest Rate" );
InterestRateCreditField = new JTextField( "Interest Rate",8 );
ChargeOverdraftCreditLable = new JLabel( "Charge Overdraft" );
ChargeOverdraftCreditField = new JTextField( "Charge Overdraft",8 );
     EnterCreditButton = new JButton( " Enter " );
AmountSavingLable = new JLabel( "SAVING AMOUNT" );
AmountSavingField = new JTextField( "SAVING AMOUNT",8 );
YearSavingLable = new JLabel( "Year" );
YearSavingField = new JTextField( "Year",8 );
MonthSavingLable = new JLabel( "Month" );
MonthSavingField = new JTextField( "Month",8 );
InterstSavingLable = new JLabel( "Interst Saving" );
InterstSavingField = new JTextField( "InterstSaving",8 );
GetSavingLable = new JLabel( "Get Interst" );
GetSavingField = new JTextField( "Get Interst",8 );
     setBackground(Color.lightGray);
constraints.fill = GridBagConstraints.BOTH;
addComponent (DepositCurrentLable, 0,0,1,1);
addComponent (DepositCurrentField, 0,1,1,1);
addComponent (BalanceCurrentLable, 0,2,1,1);
addComponent (BalanceCurrentField, 0,3,1,1);
addComponent (CashOverDraftCurrentLable, 1,0,1,1);
addComponent (CashOverDraftCurrentField, 1,1,1,1);
addComponent (TransferCurrentLable, 1,2,1,1);
addComponent (TransferCurrentField, 1,3,1,1);
addComponent (IntrestOverDraftCurrentLable, 2,0,1,1);
addComponent (IntrestOverDraftCurrentField, 2,1,1,1);
addComponent (ChargOverDraftCurrentLable, 2,2,1,1);
addComponent (ChargOverDraftCurrentField, 2,3,1,1);
addComponent (EnterCurrentButton, 3,2,1,1);
addComponent (CreditBalanceCreditLable, 4,0,1,1);
addComponent (CreditBalanceCreditField, 4,1,1,1);
addComponent (CardPaymentCreditLable, 4,2,1,1);
addComponent (CardPaymentCreditField, 4,3,1,1);
addComponent (CreditLimitCreditLable, 5,0,1,1);
addComponent (CreditLimitCreditField, 5,1,1,1);
addComponent (TransferCreditLable, 5,2,1,1);
addComponent (TransferCreditField, 5,3,1,1);
addComponent (InterestRateCreditLable, 6,0,1,1);
addComponent (InterestRateCreditField, 6,1,1,1);
addComponent (ChargeOverdraftCreditLable, 6,2,1,1);
addComponent (ChargeOverdraftCreditField, 6,3,1,1);
addComponent (EnterCreditButton, 7,2,1,1);
addComponent (AmountSavingLable, 8,0,1,1);
addComponent (AmountSavingField, 8,1,1,1);
addComponent (YearSavingLable, 9,0,1,1);
addComponent (YearSavingField, 9,1,1,1);
addComponent (MonthSavingLable, 9,2,1,1);
addComponent (MonthSavingField, 9,3,1,1);
addComponent (InterstSavingLable, 10,0,1,1);
addComponent (InterstSavingField, 10,1,1,1);
addComponent (GetSavingLable, 10,2,1,1);
addComponent (GetSavingField, 10,3,1,1);
addComponent (EnterSavingButton, 11,2,1,1);
addComponent (ExitButton, 12,2,1,1);
setSize( 550, 300 );
setVisible(true);
private void addComponent ( Component component, int row,
                                   int column, int width, int height )
constraints.gridx = column;
constraints.gridy = row;
constraints.gridwidth = width;
constraints.gridheight = height;
layout.setConstraints( component, constraints );
container.add ( component );
public static void main( String args[] )
Main application = new Main();
application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE );
the code run fine if i dont put this 2 line
addComponent (EnterSavingButton, 11,2,1,1);
addComponent (ExitButton, 12,2,1,1);
thanks in adva