Question

- Java Create a simple login screen for veterans to sign into the ER. I needs to ask, first name, last name, last 4 of social, and then dob. It then needs to output a screen that displays this info back to then outputs a 5 min wait time under neath all the information that is displayed back to them. Needs to be as simple as possible.

Answer 1

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

class Login extends JFrame implements ActionListener{

/*creating class Login which extends a JFrame and implementing ActionListener interface*/

JButton SUBMIT;

JPanel panel;

JLabel fname,lname,social,dob;

JTextField txtFname,txtLname,txtSocial,txtDob;

/*declaring labels, textfields, panel and button.*/

Login(){

/* calling Login conatructor*/

fname= new JLabel();

fname.setText("First name:");

//setting label nsme to first name

txtFname = new JTextField(20);

//setting textbox fieldsize to 20.

lname = new JLabel();

//creating label lname and fname

lname.setText("Last Name:");

//setting labelname to last name

txtLname = new JTextField(20);

social= new JLabel();

social.setText("Last 4 Social:");

txtSocial = new JTextField(20);

ddob = new JLabel();

dob.setText("DOB:");

txtDob = new JTextField(20);

submit=new JButton("SUBMIT");

panel=new JPanel(new GridLayout(3,1));

panel.add(fname);

panel.add(txtFname);

panel.add(lname);

panel.add(txtLname);

panel.add(social);

panel.add(txtSocial);

panel.add(dob);

panel.add(txtDob);

panel.add(submit);

/*adding labels and textboxes to panel*/

add(panel,BorderLayout.CENTER);

/*adding panel layout to center*/

submit.addActionListener(this);

/*by putting action listener to submit, when clicking this submit button, actionPerformed method will invoked.*/

setTitle("LOGIN FORM");

/* setting form title*/

}

}

public void actionPerformed(ActionEvent ae){

/* When clicking submit button that is the event takesplace, then this method invoked.*/

String fn=txtFname.getText();

String ln=txtLname.getText();

String so=txtSocial.getText();

String db=txtDob.getText();

/* accessing values from above textboxes, and store it in fn ln,so and db string variables*/

JOptionPane.showMessageDialog(this, "Fname is "+fn +" and "+ " Lname is "+ ln+" social is: "+so+" and dob is "+db);

/* isplay a dialoge message fname, lname,social and dob which are accepting by from the textboxes*/

}

}

class LoginDemo // class for msin method

{

public static void main(String arg[])

{

try{

Login frame=new Login();

// creating object for Login and calling Login null constructor

frame.setSize(500,500); //seting frame size

frame.setVisible(true);

//by setting frame visible, it makes visible to the user.

}

catch(Exception e){

JOptionPane.showMessageDialog(null, e.getMessage());

}

}

}