Question

@Ishaan94 and @apoorvk

Answer 1

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

public class JPasswordEvent implements ActionListener,WindowListener
{
JFrame f,f2;
JLabel label;
JPasswordField pField;
JButton b,b2;

public JPasswordEvent(JFrame pa)
{
f2= pa;
f = new JFrame("Introducing JPasswordField");
f.setSize(400, 400);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setLocationRelativeTo(null);

label = new JLabel("Enter your Password");
pField = new JPasswordField(20);
pField.setEchoChar('*');

pField.addActionListener(this);
b = new JButton("GO BACK");
b2= new JButton("ENTER");
Container c = f.getContentPane();
FlowLayout flow = new FlowLayout();
c.setLayout(flow);
b.addActionListener(this);
b2.addActionListener(this);
f.addWindowListener(this);

f.add(label);

f.add(pField);

f.add(b2);
f.add(b);

f.setVisible(true);

}
/*public static void main(String args[])
{
new JPasswordEvent();
}*/
public void actionPerformed(ActionEvent event)
{ if(event.getSource()==b){
if(f2 != null)
{
f2.setVisible(true);
f.dispose();
}
else
{JOptionPane.showMessageDialog(null, "No Main Frame exists.");}}
if(event.getSource()==b2){
char[] password = pField.getPassword();
String pass = String.valueOf(password);

if(pass.equals("annas21")){

JOptionPane.showMessageDialog(null, "Authorization aproved!");
f.dispose();
new RegistrationForm(f2);
}
else
JOptionPane.showMessageDialog(null, "Invalid password !");}}
public void windowClosing(WindowEvent x)
{
if(f2 != null)
{
f2.setVisible(true);
f.dispose();
}
else
System.exit(1);
}
public void windowOpened(WindowEvent x){};
public void windowClosed(WindowEvent x){};
public void windowActivated(WindowEvent x){};
public void windowDeactivated(WindowEvent x){};
public void windowDeiconified(WindowEvent x) {};
public void windowIconified(WindowEvent x){};
}

Answer 2

Wow...im just beginning java...havent got to gui

Answer 3

thanks actually i m in 4th semester of software engineering

Answer 4

oh...ive just done 2nd sem..electronics

Answer 5

nice dude :)