When I run the program the login window doesn't appear...Please help

1)LoginForm.java

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

class Login extends JFrame implements ActionListener
{
JButton SUBMIT;
JPanel panel;
JLabel label1,label2;
final JTextField text1,text2;
Login()
{
label1 = new JLabel();
label1.setText("Username:");
text1 = new JTextField(15);

label2 = new JLabel();
label2.setText("Password:");
text2 = new JPasswordField(15);

SUBMIT=new JButton("SUBMIT");

panel=new JPanel(new GridLayout(3,1));
panel.add(label1);
panel.add(text1);
panel.add(label2);
panel.add(text2);
panel.add(SUBMIT);
add(panel,BorderLayout.CENTER);
SUBMIT.addActionListener(this);
setTitle("LOGIN FORM");
}
public void actionPerformed(ActionEvent ae) {
String value1=text1.getText();
String value2=text2.getText();
if (value1.equals("roseindia") && value2.equals("roseindia")) {
********PoolVolume page=new PoolVolume();******LOCAL PAGE VARIABLE NEVER USED*****
}
else{
System.out.println("enter the valid username and password");
JOptionPane.showMessageDialog(this,"Incorrect login or password","Error",JOptionPane.ERROR_MESSAGE);
}
}
}
class LoginForm{
public static void main(String arg[]) {
try {
Login frame=new Login();
frame.setSize(300,100);
frame.setVisible(true);
}
catch(Exception e)
{JOptionPane.showMessageDialog(null, e.getMessage());}
}
}

import java.io.*;
import java.text.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.text.DecimalFormat;

public class PoolVolume extends JFrame{
private JFrame mainFrame;
private JButton calcButton;
private JButton clearButton;
private JButton saveButton;
private JButton exitButton;
private JTextField length;
private JTextField width;
private JTextField average;
private JTextField volume;
private JLabel lengthLabel;
private JLabel widthLabel;
private JLabel averageLabel;
private JLabel volumeLabel;
public PoolVolume() {
this.setLayout(new BorderLayout());
mainFrame = new JFrame("Swimming Pool Volume Calculator");
calcButton = new JButton("Calculate volume");
clearButton = new JButton("Clear");
exitButton = new JButton("Exit");
saveButton=new JButton("Save");
length = new JTextField(5);
width = new JTextField(5);
average = new JTextField(5);
volume = new JTextField(5);
lengthLabel = new JLabel("Enter the length of the swimming pool: ");
widthLabel = new JLabel("Enter the width of the swimming pool: ");
averageLabel = new JLabel("Enter the average dept of the swimming pool: ");
volumeLabel = new JLabel("Swimming pool volume: ");
Container c =
mainFrame.getContentPane();
c.setLayout(
new FlowLayout());
c.add(lengthLabel, BorderLayout.SOUTH);
c.add(length);
c.add(
widthLabel);
c.add(width);
c.add(averageLabel);
c.add(average);
c.add(volumeLabel);
c.add(volume);
c.add(calcButton);
c.add(clearButton);
c.add(exitButton);
c.add(saveButton);
calcButton.setMnemonic('C');
clearButton.setMnemonic('l');
exitButton.setMnemonic('x');
mainFrame.setSize(400,300);
mainFrame.addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {System.exit(0);}});

calcButtonHandler chandler =new calcButtonHandler();
calcButton.addActionListener(chandler);
clearButtonHandler lHandler =new clearButtonHandler();
clearButton.addActionListener(lHandler);
exitButtonHandler ehandler =new exitButtonHandler();
exitButton.addActionListener(ehandler);
saveButtonHandler shandler =new saveButtonHandler();
saveButton.addActionListener(shandler);
FocusHandler fhandler =new FocusHandler();
length.addFocusListener(fhandler);
width.addFocusListener(fhandler);
average.addFocusListener(fhandler);
volume.addFocusListener(fhandler);
mainFrame.setVisible(true);
}

class calcButtonHandler implements ActionListener {
public void actionPerformed(ActionEvent e) {
DecimalFormat num =new DecimalFormat(",###.##");
Double cLength, cWidth, cAverage, cVolume, Total;
String sLength, sWidth, sAverage, sVolume;
sLength =length.getText();
cLength = Double.parseDouble(sLength);
sWidth =width.getText();
cWidth = Double.parseDouble(sWidth);
sAverage =average.getText();
cAverage = Double.parseDouble(sAverage);
if(e.getSource() == calcButton) {
Total = cLength * cWidth * cAverage;
volume.setText(num.format(Total));
}
}
}
class clearButtonHandler implements ActionListener {
public void actionPerformed(ActionEvent e){
length.setText("");
width.setText("");
average.setText("");
volume.setText("");
length.grabFocus();
}
}

class exitButtonHandler implements ActionListener {
public void actionPerformed(ActionEvent e){
System.exit(0);
}
}

class saveButtonHandler implements ActionListener {
public void actionPerformed(ActionEvent e){
String value=volume.getText();
try{
File file = new File("output.txt");
FileWriter fstream = new FileWriter(file,true);
BufferedWriter out = new BufferedWriter(fstream);
out.write("The volume of Swimming Pool is "+value);
out.newLine();
out.close();
}
catch(Exception ex){}
}
}

class FocusHandler implements FocusListener {
public void focusGained(FocusEvent e) {
}
public void focusLost(FocusEvent e) {
}
}
public static void main(String args[]){
new PoolVolume();
}
}