Please help Debug my System
Hello.
I need help with my System, it's giving me a number of Exception errors. Please help where possible
//This is the main screen of the Clerk
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class ThirdScreen extends JFrame implements ActionListener
{
public static JButton add,back,exit,search,update,delete;
private BackButtonHandler BackHandler;
private SearchButtonHandler SearchHandler;
private AddButtonHandler AddHandler;
private ExitButtonHandler ExitHandler;
private deleteButtonHandler deleteHandler;
private UpdateButtonHandler UpdateHandler;
private ImageIcon icon = new ImageIcon("doctors5.jpg");
private JLabel label = new JLabel();
private ImageIcon ic = new ImageIcon("doctors6.jpg");
private JLabel lab = new JLabel();
private ImageIcon ico = new ImageIcon("doctors3.jpg");
private JLabel labe = new JLabel();
private JMenuBar menuMB = new JMenuBar();
private JMenu file,edit;
private JMenuItem help,x,addE,updateE,searchE,deleteE,staff;
private JLabel le;
//start
public ThirdScreen() throws Exception
{
Container see = getContentPane();
see.setLayout(null);
see.setBackground(Color.white);
label.setIcon(icon);
lab.setIcon(ic);
labe.setIcon(ico);
add = new JButton("ADD");
search = new JButton("SEARCH");
update = new JButton("UPDATE");
delete = new JButton("DELETE");
back = new JButton("<<<BACK");
exit = new JButton("EXIT");
le = new JLabel("Lethabong Hospital");
add.setSize(200,80);
update.setSize(200,80);
delete.setSize(200,80);
back.setSize(200,50);
exit.setSize(200,50);
search.setSize(200,80);
le.setSize(200,30);
label.setSize(300,200);
lab.setSize(410,307);
labe.setSize(270,261);
add.setLocation(700,50);
search.setLocation(700,150);
update.setLocation(700,250);
delete.setLocation(700,350);
back.setLocation(700,450);
exit.setLocation(700,550);
le.setLocation(900,650);
label.setLocation(100,50);
lab.setLocation(100,300);
labe.setLocation(100,300);
see.add(add);
see.add(back);
see.add(search);
see.add(update);
see.add(delete);
see.add(exit);
see.add(le);
see.add(label);
see.add(lab);
see.add(label);
//see.add(labe);
BackHandler = new BackButtonHandler(this);
SearchHandler = new SearchButtonHandler(this);
AddHandler = new AddButtonHandler(this);
ExitHandler = new ExitButtonHandler();
deleteHandler = new deleteButtonHandler(this);
UpdateHandler = new UpdateButtonHandler(this);
back.addActionListener(BackHandler);
add.addActionListener(AddHandler);
delete.addActionListener(deleteHandler);
update.addActionListener(UpdateHandler);
exit.addActionListener(ExitHandler);
search.addActionListener(SearchHandler);
setJMenuBar(menuMB);
setFileMenu();
setEditMenu();
setTitle("CHOOSE.....");
setSize(1023,750);
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}//end of constructor
//start of Backbuttonhandler
private class BackButtonHandler implements ActionListener
{
private JFrame fr;
public BackButtonHandler(JFrame frame)
{
fr = frame;
}
public void actionPerformed (ActionEvent g)
{
SecondScreen fram = new SecondScreen();
fr.hide();
}
}//end of backbuttonhandler
//start of BackButtonhandler
private class SearchButtonHandler implements ActionListener
{
private JFrame fr;
public SearchButtonHandler(JFrame frame)
{
fr = frame;
}
public void actionPerformed (ActionEvent o)
{
new SearchScreen();
fr.hide();
}
}//end of backbuttonhandler
//This is used to set the text
//exit method
private class ExitButtonHandler implements ActionListener
{
public void actionPerformed (ActionEvent s)
{
System.exit(0);
}
}//end of exit method
//start of add button
private class AddButtonHandler implements ActionListener
{
private JFrame fr;
public AddButtonHandler(JFrame frame)
{
fr = frame;
}
public void actionPerformed (ActionEvent j)
{
FourthScreen frame = new FourthScreen();
fr.hide();
}
}
//ehd off add button
//start of update button when clicked
private class UpdateButtonHandler implements ActionListener
{
private JFrame fr;
public UpdateButtonHandler(JFrame frame)
{
fr = frame;
}
public void actionPerformed (ActionEvent o)
{
new Dating();
fr.hide();
}
}//end of update button
//start of deletebutton
private class deleteButtonHandler implements ActionListener
{
private JFrame fr;
public deleteButtonHandler(JFrame frame)
{
fr = frame;
}
public void actionPerformed (ActionEvent j)
{
new DeleteScreen();
fr.hide();
}
}//end of delete
//This is for the menu
private void setFileMenu()
{
file = new JMenu("File");
menuMB.add(file);
help = new JMenuItem("Help");
file.add(help);
x = new JMenuItem("Close");
file.add(x);
x.addActionListener(this);
help.addActionListener(this);
}
//end of setFileMenu
//start of editmenu
private void setEditMenu()
{
edit = new JMenu("Edit");
menuMB.add(edit);
addE = new JMenuItem("Add Patients");
edit.add(addE);
updateE = new JMenuItem("Update Patients");
edit.add(updateE);
deleteE = new JMenuItem("Delete Patients");
edit.add(deleteE);
searchE = new JMenuItem("Search Patients");
edit.add(searchE);
staff = new JMenuItem("New Staff");
edit.add(staff);
addE.addActionListener(this);
staff.addActionListener(this);
updateE.addActionListener(this);
deleteE.addActionListener(this);
searchE.addActionListener(this);
}//end of edit menu
public void actionPerformed(ActionEvent e)
{
JMenuItem mItem = (JMenuItem)e.getSource();
if(mItem == x)
{
System.exit(0);
}
else if(mItem == help)
{
new HelpScreen();
}
else if(mItem == addE)
{
new FourthScreen();
}
else if(mItem == updateE)
{
new Dating();
}
else if(mItem == deleteE)
{
new DeleteScreen();
}
else if(mItem == searchE)
{
new SearchScreen();
}
else if(mItem == staff)
{
new NewStaff();
}
}
public static void main (String args[])throws Exception
{
new ThirdScreen();
}
}
import java.sql.*;
import java.util.ArrayList;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.util.*;
public class Dating
{
public Dating() throws Exception
{
String name = JOptionPane.showInputDialog("Please enter the patient number");
if(name == null)
{
new ThirdScreen();
}
String pass = "Are you sure you want to update this Patient?";
int answer = JOptionPane.showConfirmDialog(null,
pass,"Confirmation" , JOptionPane.YES_NO_OPTION);
if (answer == JOptionPane.YES_OPTION)
{
Updating s =new Updating(name);
}
else
{
new ThirdScreen();
}
}
}
//This class is used for updating purposes
//for the patient.
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class Updating extends JFrame
{
//set variables to be used
private JButton enter,save,back,exit,help;
private JLabel name,surname,address,tell,reason,no;
public JTextField naam,van,add,tel,re,num;
private BackButtonHandler BackHandler;
private ExitButtonHandler ExitHandler;
private SaveButtonHandler SaveHandler;
private HelpButtonHandler HelpHandler;
private String sire;
public Updating(String numb) throws Exception
{
Container cont = getContentPane();
cont.setLayout(null);
cont.setBackground(new Color(0,200,255));
// initialize variables
enter = new JButton("PLEASE ENTER PATIENTS INFORMATION");
save = new JButton("SAVE");
back = new JButton("BACK");
exit = new JButton("EXIT");
help = new JButton("HELP");
no = new JLabel("PATIENT NUMBER:");
name = new JLabel("FIRST NAMES:");
surname = new JLabel("LAST NAME:");
address = new JLabel("ADDRESS:");
tell = new JLabel("TEL NUMBER(Reachable Number):");
reason = new JLabel("REASON FOR COMING:");
num = new JTextField(10);
naam = new JTextField(20);
van = new JTextField(20);
add = new JTextField(30);
tel = new JTextField(10);
re = new JTextField(30);
sire = numb;
num.setText(sire);
enter.setSize(700,50);
save.setSize(100,50);
back.setSize(100,50);
no.setSize(130,50);
name.setSize(100,50);
surname.setSize(100,50);
address.setSize(100,50);
tell.setSize(200,50);
reason.setSize(200,50);
num.setSize(100,30);
naam.setSize(100,30);
van.setSize(100,30);
add.setSize(200,50);
tel.setSize(100,30);
re.setSize(200,50);
exit.setSize(100,50);
help.setSize(100,50);
enter.setLocation(0,0);
save.setLocation(550,500);
back.setLocation(0,500);
no.setLocation(100,50);
name.setLocation(100,100);
surname.setLocation(100,150);
address.setLocation(100,200);
tell.setLocation(100,280);
reason.setLocation(100,330);
num.setLocation(300,60);
naam.setLocation(300,110);
van.setLocation(300,150);
add.setLocation(300,200);
tel.setLocation(300,290);
re.setLocation(300,330);
exit.setLocation(100,500);
help.setLocation(200,500);
//insert variables in frame
cont.add(enter);
cont.add(save);
cont.add(back);
cont.add(no);
cont.add(name);
cont.add(surname);
cont.add(address);
cont.add(tell);
cont.add(reason);
cont.add(num);
cont.add(naam);
cont.add(van);
cont.add(add);
cont.add(tel);
cont.add(re);
cont.add(exit);
cont.add(help);
BackHandler = new BackButtonHandler(this);
ExitHandler = new ExitButtonHandler();
SaveHandler = new SaveButtonHandler(this);
HelpHandler = new HelpButtonHandler();
back.addActionListener(BackHandler);
exit.addActionListener(ExitHandler);
save.addActionListener(SaveHandler);
help.addActionListener(HelpHandler);
setTitle("Patients Information");
setSize(700,600);
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}// end of method
// method used when the back button is pressed
private class BackButtonHandler implements ActionListener
{
private JFrame fr;
public BackButtonHandler(JFrame frame)
{
fr = frame;
}
public void actionPerformed (ActionEvent g)
{
new ThirdScreen();
fr.hide();
}
}// end backbuttonHandler
//start of Exit buttonHandler
//
private class ExitButtonHandler implements ActionListener
{
public void actionPerformed (ActionEvent s)
{
System.exit(0);
}
}//end Exit button handler
private class HelpButtonHandler implements ActionListener
{
public void actionPerformed (ActionEvent s)
{
new HelpScreen();
}
}//end Exit button handler
//Start of savebutton
private class SaveButtonHandler implements ActionListener
{
private JFrame fr;
double s;
int p;
public SaveButtonHandler(JFrame frame)
{
fr = frame;
}
public void actionPerformed (ActionEvent q)
{
try
{
Updateconnect connect = new Updateconnect();
connect.getData(num,naam,van,add,tel,re);
String ms = "Patient Updated";
JOptionPane.showMessageDialog(null, ms,"Updating", JOptionPane.INFORMATION_MESSAGE);
new ThirdScreen();
fr.hide();
}
catch(Exception e)
{
e.printStackTrace();
}
}
}//end of exitbutton
}>
