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Create an applet that takes Login Name and Password from the user and check them

Submitted by Rahimv on Mon, 08/23/2010 - 17:02

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
Create an applet that takes Login Name and Password from the user and check that
Login Name is "demo" and password is "demopassword".
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import java.applet.Applet;
import java.awt.Button;
import java.awt.Graphics;
import java.awt.Label;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
/*   <applet code = "Login" width= 200 height = 200>
 </applet>
*/
public class Login extends Applet implements ActionListener
{
 Label lblUser, lblPassword;
 TextField txtUser, txtPassword;
 Button bLogin;
 boolean blnCorrect;
 
 public void init()
 {
  lblUser = new Label("UserName");
  add(lblUser);
  
  txtUser = new TextField(20);
  add(txtUser);
 
  lblPassword = new Label("Password");
  add(lblPassword);
 
  txtPassword = new TextField(20);
  add(txtPassword);
 
  bLogin = new Button("Login");
  add(bLogin);
  bLogin.addActionListener(this);
 }
 
 public void actionPerformed(ActionEvent e)
 {
  if(txtUser.getText().equals("demo") && txtPassword.getText().equals("demopassword"))
   blnCorrect = true;
  else
   blnCorrect = false;
  
  repaint();
 }
 
 public void paint(Graphics g)
 {
 
  if(blnCorrect)
   g.drawString("Successfully Logged in.", 50, 100);
  else
   g.drawString("Invalid username or password.", 50, 100);
 }
}