I am new to Java ..but i am in need of submitting project on patient registeration form using swing in java.. the details of the patient should be entered some fields should be mandatory and if those fields are not filled then the message should be displayed that the field is mandatory..after filling the patient details next page should be displayed for doctors details..then after clicking register "the patient is registered" message should be displayed ..on clicking ok the window should be closed..these are the requirements of this project..can you give me a code for this please?..

patient registration form in java swing

JAVA SOURCE CODE FOR PATIENT REGISTRATION INTERFACE
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

public class Patient extends JFrame implements ActionListener

{
public static void main(String [] args)
{

new Patient();
}

JTextField pName, doBirth, hAddress,hospital,diagnosis;
JComboBox sex;
JRadioButton medical, dentistry, optical,oPatient,admitted;
JCheckBox died, discharged;
JButton Apply, clearButton, exitButton;
String[] theBox= {"male","female"};
public Patient()

{
this.setTitle("PATIENT REGISTRATION FORM");
this.setDefaultCloseOperation(
JFrame.EXIT_ON_CLOSE);

JPanel panel1 = new JPanel();
panel1.setLayout(new GridBagLayout());
addItem(panel1, new JLabel("FULL NAME OF PATIENT:"),
0, 0, 1, 1, GridBagConstraints.EAST);
addItem(panel1, new JLabel("DATE OF BIRTH:"),
0, 1, 1, 1, GridBagConstraints.EAST);
addItem(panel1, new JLabel("HOME ADDRESS ( Vge / TA / District):"),
0, 2, 1, 1, GridBagConstraints.EAST);
addItem(panel1, new JLabel("SEX:"),
0, 3, 1, 1, GridBagConstraints.EAST);
addItem(panel1, new JLabel("HOSPITAL:"),

0, 4, 1, 1, GridBagConstraints.EAST);
addItem(panel1, new JLabel("DIAGNOSIS:"),
0, 5, 1, 1, GridBagConstraints.EAST);


pName = new JTextField(20);
doBirth = new JTextField(20);
hAddress = new JTextField(20);

sex = new JComboBox(theBox);
hospital = new JTextField(20);
diagnosis= new JTextField(20);


addItem(panel1, pName, 1, 0, 2, 1,
GridBagConstraints.WEST);
addItem(panel1, doBirth, 1, 1, 1, 1,
GridBagConstraints.WEST);
addItem(panel1, hAddress, 1, 2, 2, 1,
GridBagConstraints.WEST);

addItem(panel1, sex, 1, 3, 2, 1,
GridBagConstraints.WEST);
addItem(panel1,hospital, 1,4,2,1,
GridBagConstraints.WEST);

addItem(panel1, diagnosis, 1,5,2,1,
GridBagConstraints.WEST);


Box sizeBox = Box.createVerticalBox();
medical = new JRadioButton("medical");
dentistry = new JRadioButton("dentistry");
optical = new JRadioButton("optical");

ButtonGroup sizeGroup = new ButtonGroup();
sizeGroup.add(medical);
sizeGroup.add(dentistry);
sizeGroup.add(optical);
sizeBox.add(medical);
sizeBox.add(dentistry);
sizeBox.add(optical);

sizeBox.setBorder(
BorderFactory.createTitledBorder("TREATMENT"));
addItem(panel1, sizeBox, 0,6, 1, 1,
GridBagConstraints.NORTH);

Box styleBox = Box.createVerticalBox();
oPatient = new JRadioButton("Out Patient");
admitted = new JRadioButton("Admitted");
ButtonGroup styleGroup = new ButtonGroup();

styleGroup.add(oPatient);
styleGroup.add(admitted);
styleBox.add(oPatient);
styleBox.add(admitted);
styleBox.setBorder(BorderFactory.

createTitledBorder("RHESUS FACTOR"));
addItem(panel1, styleBox, 1,6, 1, 1,
GridBagConstraints.NORTH);

Box topBox = Box.createVerticalBox();
discharged = new JCheckBox("yes");
died = new JCheckBox("no");

ButtonGroup topGroup = new ButtonGroup();
topGroup.add(discharged);
topGroup.add(died);

topBox.add(discharged);
topBox.add(died);
topBox.setBorder(BorderFactory.

createTitledBorder("APPOINTMENT"));
addItem(panel1, topBox, 2, 6, 1, 1,
GridBagConstraints.NORTH);

Box buttonBox = Box.createHorizontalBox();
Apply = new JButton("Apply");
clearButton = new JButton("Clear");
exitButton = new JButton("Exit");

buttonBox.add(Apply);
buttonBox.add(Box.createHorizontalStrut(25));
buttonBox.add(clearButton);
clearButton.addActionListener(this);
buttonBox.add(Box.createHorizontalStrut(25));
buttonBox.add(exitButton);
exitButton.addActionListener(this);
addItem(panel1, buttonBox, 0, 7, 3, 1, GridBagConstraints.CENTER);

pName.setText(" ");
doBirth.setText(" ");
hAddress.setText(" ");
hospital.setText(" ");
diagnosis.setText(" ");

oPatient.setText("positive ");
oPatient.setSelected(true);

admitted.setText("negative ");
admitted.setSelected(true);

medical.setText("medical");
medical.setSelected(true);

dentistry.setText("dentistry");
dentistry.setSelected(true);

optical.setText("optical");
optical.setSelected(true);

discharged.setText("yes ");
discharged.setSelected(true);

died.setText("no ");
died.setSelected(true);

Apply.setText("Apply");
Apply.addActionListener(
new ActionListener(){
public void actionPerformed(ActionEvent e){
JTextArea textarea=new JTextArea();
JScrollPane scroll=new JScrollPane( textarea,
JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);

JFrame frame= new JFrame();

if (e.getSource()==Apply){
String name= pName.getText();
textarea.append("\n\n");
textarea.append(" FULL NAME OF PATIENT: "+name+"\n\n");

String name1= doBirth.getText();
textarea.append(" DATE OF BIRTH: "+name1+"\n\n");

String name3 = hAddress.getText();
textarea.append(" HOME ADDRESS (Vge / TA / District): "+ name3+"\n\n");
String enteredText = (String)sex.getSelectedItem();
textarea.append(" SEX: "+enteredText+"\n\n");

String name4=hospital.getText();
textarea.append(" HOSPITAL: "+name4+"\n\n");

String name5=diagnosis.getText();
textarea.append(" DIAGNOSIS: "+name5+"\n\n");

if (oPatient.isSelected())
textarea.append(" RHESUS FACTOR: positive\n\n");
if (admitted.isSelected())
textarea.append(" RHESUS FACTOR: negative\n\n");

if (medical.isSelected())
textarea.append(" TREATMENT: Medical\n\n");
if (dentistry.isSelected())
textarea.append(" TREATMENT: Dentistry\n\n");
if (optical.isSelected())
textarea.append(" TREATMENT: Optical\n\n");

if (discharged.isSelected())
textarea.append(" APPOINTMENT: Yes\n\n");
if (died.isSelected())
textarea.append(" APPOINTMENT: No\n\n");

textarea.setEditable(false);
}
frame.add(scroll);
frame.setTitle(" DETAILS OF REGISTERED PATIENT");
frame.setSize(500,500);
frame.setLocation(350,50);
frame.setVisible(true);

}
});

this.add(panel1);
this.pack();
this.setVisible(true);
}

public void actionPerformed(ActionEvent evnt){
if(evnt.getSource()==exitButton){
System.exit(0);
}
else if (evnt.getSource()==clearButton){
cancel1();
}
}

public void cancel1() {
pName.setText("");

}

private void addItem(JPanel p, JComponent c,
int x, int y, int width, int height,
int align)
{
GridBagConstraints gc =
new GridBagConstraints();
gc.gridx = x;
gc.gridy = y;
gc.gridwidth = width;
gc.gridheight = height;
gc.weightx = 100.0;
gc.weighty = 100.0;
gc.insets = new Insets(20, 20, 20, 20);
gc.anchor = align;
gc.fill = GridBagConstraints.NONE;
p.add(c, gc);
}
}