e.Develop swing application login form accept Username and Password , on click show successful or unsuccessful depending on input.

CODE:

package swing_practicals;   

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class LoginForm extends JFrame implements ActionListener{

JLabel lblname,lblpwd;

JTextField txtname;

JPasswordField txtpwd;

JButton btnok,btncancel;

JPanel p1;

    public LoginForm(){

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

pack();

setSize(300,200);

setVisible(true);

lblname = new JLabel("Enter Your Name:");

txtname = new JTextField(15);

lblpwd = new JLabel("Enter Password:");

txtpwd = new JPasswordField("",15);

p1 = new JPanel();

p1.setLayout(new GridLayout(3,2));

btnok = new JButton("Ok");

btncancel = new JButton("Cancel");

btnok.addActionListener(this);

btncancel.addActionListener(this);

p1.add(lblname);

p1.add(txtname);

p1.add(lblpwd);

p1.add(txtpwd);

p1.add(btnok);

p1.add(btncancel);

getContentPane().add(p1,BorderLayout.CENTER);

}

public void actionPerformed(ActionEvent e){

char[] txt = txtpwd.getPassword();

String strin0 = txtname.getText();

String string1 = new String(txt);

if(e.getSource() == btnok){

if(strin0.equals("Kiran")&&string1.equals("abc")){

JOptionPane.showMessageDialog(null,"Login Successful.","login",1);

}

else{

JOptionPane.showMessageDialog(null,"Login Unsuccessful.","login",2);

txtname.setText(" ");

txtpwd.setText("");

}

}

if(e.getSource() == btncancel){

 

System.exit(0);

}

}

    public static void main(String[] args) {

new LoginForm();

}

}

 

OUTPUT:

ADVANCED JAVA PROGRAM