Practical No.
: 12
Practical Name: Write a program to demonstrate the use of JTextField and JPasswordField using
Listener Interface.
Roll No.: 47
Student Name: Mavani Ashish Shantilal
Program:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class practical12_1 extends JFrame implements ActionListener
{
JLabel l1,l2,l3;
JTextField t1;
JPasswordField p1;
JButton b1;
practical12_1()
{
setTitle("User Authentication");
setVisible(true);
setSize(360,300);
setLayout(null);
l1 = new JLabel("Username: ");
l1.setBounds(80,80,80,25);
l2 = new JLabel("Password: ");
l2.setBounds(80,115,80,25);
t1 = new JTextField();
t1.setBounds(170,80,100,25);
p1 = new JPasswordField();
p1.setBounds(170,115,100,25);
b1 = new JButton("Login");
b1.setBounds(80,150,80,25);
l3 = new JLabel("");
l3.setBounds(80,185,300,25);
b1.addActionListener(this);
add(l1);
add(l2);
add(t1);
add(p1);
add(b1);
add(l3);
}
public void actionPerformed(ActionEvent ae)
{
String user = t1.getText();
String pass = new String(p1.getPassword());
if(user.equals("Ashish") && pass.equals("pass@123"))
{
l3.setText("Login Successful!");
}
else
{
l3.setText("Invalid Username or Password");
}
}
public static void main(String args[])
{
practical12_1 pr12_1 = new practical12_1();
}
}
Output:
