Gui

How can i set a background color in my code and also put the Gender panel in the middle or center of the Personal details and The Buttons the adding an image on the label Inpatients maintainance module and also increasing the size of the JTextArea for address so that the JScrollPane can be visible before entering details



import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.border.*;
import java.util.regex.*;

class InpatientDetails extends JFrame{
JLabel l1,l2,l3,l4,l5,l6,l7,l8,l9,l10,l11,lPhoto,lN;
JTextField text1,text2,text3,text4,text5,text6,text7,text8,text9;
JTextArea area;
JScrollPane pane;
JButton b1,b2,b3,b4,b5,b6;
JRadioButton r1,r2;
JPanel p1,p2,p3,p4,p;
ButtonGroup bg;

public InpatientDetails(){
super("Nakasero Hospital Managment System [ Inpatient Maintance Module]");
setSize(650,500);
l1=new JLabel("Patient ID");
l2=new JLabel("First Name");
l3=new JLabel("Last Name");
l4=new JLabel("Phone Number");
l5=new JLabel("Place Of Residence");
l6=new JLabel("Date Of Birth");
l7=new JLabel("Marital Status");
l8=new JLabel("Next Of Kin");
l9=new JLabel("Age");
l10=new JLabel("Address");
l11=new JLabel("Gender");
lPhoto=new JLabel();
lPhoto.setIcon(new ImageIcon("image2.png"));
lN=new JLabel("Inpatient Maintenance Module");
lN.setFont(new Font("Lucida Handwriting",Font.BOLD,20));
lN.setForeground(Color.RED);
JPanel p3=new JPanel();
p3.add(lPhoto);
p3.add(lN);
text1=new JTextField(20);
text2=new JTextField(20);
text3=new JTextField(20);
text4=new JTextField(20);
text5=new JTextField(20);
text6=new JTextField(20);
text7=new JTextField(20);
text8=new JTextField(20);
text9=new JTextField(20);

area=new JTextArea();
pane=new JScrollPane(area);

b1=new JButton("Add");
b2=new JButton("Update");
b3=new JButton("First");
b4=new JButton("Last");
b5=new JButton("Next");
b6=new JButton("Previous");

r1=new JRadioButton("Male",false);
r2=new JRadioButton("Female",false);
bg=new ButtonGroup();
bg.add(r1);
bg.add(r2);
p=new JPanel();
p1=new JPanel(new GridLayout(11,2));
p2=new JPanel();

p4=new JPanel();
Border border1 = BorderFactory.createTitledBorder("Personal Details");
p1.setBorder(border1);
p1.add(l1);
p1.add(text1);
p1.add(l2);
p1.add(text2);
p1.add(l3);
p1.add(text3);
p1.add(l4);
p1.add(text4);
p1.add(l5);
p1.add(text5);

p1.add(l6);
p1.add(text6);
p1.add(l7);
p1.add(text7);
p1.add(l8);
p1.add(text8);
p1.add(l9);
p1.add(text9);
p1.add(l10);

p1.add(l11);
p1.add(pane);



Border border2 = BorderFactory.createTitledBorder("Gender");
p2.setBorder(border2);
p2.add(l11);
p2.add(r1);
p2.add(r2);
p4.add(b1);
p4.add(b2);
p4.add(b3);
p4.add(b4);
p4.add(b5);
p4.add(b6);
p.add(p3);
p.add(p1);
p.add(p2);
p.add(p4);
add(p);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);


text1.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e) {
String input = text1.getText();
Pattern p = Pattern.compile("[A-Z,a-z,&%$@!()*^]");
Matcher m = p.matcher(input);
if (m.find()) {
JOptionPane.showMessageDialog(null, "Enter only Numeric Value!", "Error", JOptionPane.ERROR_MESSAGE);
}
}
});
text2.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e) {
String input = text2.getText();
Pattern p = Pattern.compile("[0-9,&%$@!()*^]");
Matcher m = p.matcher(input);
if (m.find()) {
JOptionPane.showMessageDialog(null, "Invalid First Name!", "Error", JOptionPane.ERROR_MESSAGE);
}
}
});
text3.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e) {
String input = text3.getText();
Pattern p = Pattern.compile("[0-9,&%$@!()*^]");
Matcher m = p.matcher(input);
if (m.find()) {
JOptionPane.showMessageDialog(null, "Invalid Last Name!", "Error", JOptionPane.ERROR_MESSAGE);
}
}
});
text4.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e) {
String input = text4.getText();
Pattern p = Pattern.compile("[A-Z,a-z,&%$@!()*^]");
Matcher m = p.matcher(input);
if (m.find()) {
JOptionPane.showMessageDialog(null, "Enter only Numeric Value!", "Error", JOptionPane.ERROR_MESSAGE);
}
}
});

text5.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e) {
String input = text5.getText();
Pattern p = Pattern.compile("[0-9,&%$@!()*^]");
Matcher m = p.matcher(input);
if (m.find()) {
JOptionPane.showMessageDialog(null, "Invalid!", "Error", JOptionPane.ERROR_MESSAGE);
}
}
});
text6.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e) {
String input = text6.getText();
Pattern p = Pattern.compile("[A-Z,a-z,&%$@!()*^]");
Matcher m = p.matcher(input);
if (m.find()) {
JOptionPane.showMessageDialog(null, "Enter only Numeric Value!", "Error", JOptionPane.ERROR_MESSAGE);
}
}
});
text7.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e) {
String input = text7.getText();
Pattern p = Pattern.compile("[0-9,&%$@!()*^]");
Matcher m = p.matcher(input);
if (m.find()) {
JOptionPane.showMessageDialog(null, "Invalid Entry!", "Error", JOptionPane.ERROR_MESSAGE);
}
}
});
text8.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e) {
String input = text8.getText();
Pattern p = Pattern.compile("[0-9,&%$@!()*^]");
Matcher m = p.matcher(input);
if (m.find()) {
JOptionPane.showMessageDialog(null, "Invalid Entry!", "Error", JOptionPane.ERROR_MESSAGE);
}
}
});
text9.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e) {
String input = text9.getText();
Pattern p = Pattern.compile("[A-Z,a-z,&%$@!()*^]");
Matcher m = p.matcher(input);
if (m.find()) {
JOptionPane.showMessageDialog(null, "Enter only Numeric Value!", "Error", JOptionPane.ERROR_MESSAGE);
}
}
});

area.addKeyListener(new KeyAdapter() {
public void keyTyped(KeyEvent e) {
String input = area.getText();
Pattern p = Pattern.compile("[&%$@!()*^]");
Matcher m = p.matcher(input);
if (m.find()) {
JOptionPane.showMessageDialog(null, "Invalid Address!", "Error", JOptionPane.ERROR_MESSAGE);
}
}
});
}
public static void main(String[] args) {
new InpatientDetails();
}
}