Hey everyone,
heard the people here are good so I thought u were the only ones to help me in this
i keep getting these runtime errors
Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: empty String
at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:994)
at java.lang.Double.parseDouble(Double.java:510)
at MainClass.actionPerformed(MainClass.java:263)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6041)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
at java.awt.Component.processEvent(Component.java:5806)
at java.awt.Container.processEvent(Container.java:2058)
at java.awt.Component.dispatchEventImpl(Component.java:4413)
at java.awt.Container.dispatchEventImpl(Container.java:2116)
at java.awt.Component.dispatchEvent(Component.java:4243)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
at java.awt.Container.dispatchEventImpl(Container.java:2102)
at java.awt.Window.dispatchEventImpl(Window.java:2440)
at java.awt.Component.dispatchEvent(Component.java:4243)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)Here's my code
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
public class MainClass extends JFrame implements ActionListener
{
JTextField t1 = new JTextField(5);
JTextField t2 = new JTextField(5);
JTextField t3 = new JTextField(5);
JLabel oid = new JLabel("Please enter order ID");
JLabel numG = new JLabel("Please enter number of guests");
JLabel Cust = new JLabel("Please enter Customer Name");
JLabel type = new JLabel("Please select the tab of the food type.");
JButton calc = new JButton("Calculate");
JButton calc1 = new JButton("Calculate");
JButton calc2 = new JButton("Calculate");
JButton calc3 = new JButton("Calculate");
CheckboxGroup spcGroup = new CheckboxGroup();
Checkbox spy= new Checkbox("Yes",false,spcGroup);
Checkbox spn= new Checkbox("No",true,spcGroup);
CheckboxGroup serGroup=new CheckboxGroup();
Checkbox sery= new Checkbox("Yes",false,serGroup);
Checkbox sern= new Checkbox("No",true,serGroup);
CheckboxGroup thmGroup = new CheckboxGroup();
Checkbox thy= new Checkbox("Yes",false,thmGroup);
Checkbox thn= new Checkbox("No",true,thmGroup);
JTextField bary = new JTextField(4);
JTextField cury = new JTextField(4);
JTextField tand = new JTextField(4);
JTextField sam = new JTextField(4);
JTextField piz = new JTextField(4);
JTextField pas = new JTextField(4);
JTextField laz = new JTextField(4);
JTextField spg = new JTextField(4);
JTextField ssc = new JTextField(4);
JTextField shr = new JTextField(4);
JTextField nod = new JTextField(4);
JTextField vr = new JTextField(4);
JTextField shaw = new JTextField(4);
JTextField kbab = new JTextField(4);
JTextField shish = new JTextField(4);
JTextField tab = new JTextField(4);
JLabel total1= new JLabel();
JTabbedPane tabbedPane = new JTabbedPane();
JComboBox combo=new JComboBox();
public MainClass(){
super ("Raja's Catering");
Box first = Box.createVerticalBox();
first.add(oid);
first.add(t1);
Box first1 = Box.createVerticalBox();
first1.add(Cust);
first1.add(t2);
Box first2 = Box.createVerticalBox();
first2.add(numG);
first2.add(t3);
Box all = Box.createVerticalBox();
all.add(first);
all.add(first1);
all.add(first2);
all.add(Box.createVerticalStrut(20));
all.add(new JLabel ("Are you a special customer?"));
all.add(spy);
all.add(spn);
all.add(new JLabel ("Would you like us to serve?"));
all.add(sery);
all.add(sern);
all.add(new JLabel ("Would you like to apply theme?"));
all.add(thy);
all.add(thn);
all.add(Box.createVerticalStrut(20));
all.add(type);
all.add(Box.createVerticalStrut(550));
JPanel pan1 = new JPanel();
pan1.setLayout(new BoxLayout (pan1, BoxLayout.Y_AXIS));
pan1.setBackground(Color.pink);
pan1.setBorder(new TitledBorder(new EtchedBorder(), "Welcome"));
pan1.add(all);
tabbedPane.addTab("Welcome",null,pan1,"First Panel");
Box second = Box.createVerticalBox();
second.add(new JLabel ("Please note that 1 portion = 10 plates"));
second.add(Box.createVerticalStrut(10));
second.add(new JLabel ("Portions of Baryani:"));
second.add(bary);
second.add(new JLabel ("Portions of Curry Beef:"));
second.add(cury);
second.add(new JLabel ("Portions of Tandoori Chicken:"));
second.add(tand);
second.add(new JLabel ("Portions of Samosa:"));
second.add(sam);
second.add(calc);
second.add(Box.createVerticalStrut(30));
calc.addActionListener(this);
second.add(total1);
second.add(Box.createVerticalStrut(550));
Box s2 = Box.createHorizontalBox();
s2.add(new JLabel (""));
s2.add(new JLabel (""));
s2.add(Box.createHorizontalStrut(800));
JPanel pan2 = new JPanel();
pan2.setLayout(new BorderLayout());
pan2.setBackground(Color.yellow);
pan2.setBorder(new TitledBorder(new EtchedBorder(), "Indian Food"));
pan2.add(second, BorderLayout.WEST);
pan2.add(s2,BorderLayout.EAST);
tabbedPane.addTab("Indian",null,pan2,"Second Panel");
Box third = Box.createVerticalBox();
third.add(new JLabel ("Please note that 1 portion = 10 plates"));
third.add(Box.createVerticalStrut(10));
third.add(new JLabel ("Portions of Pizza:"));
third.add(piz);
third.add(new JLabel ("Portions of Pasta:"));
third.add(pas);
third.add(new JLabel ("Portions of Lazagne:"));
third.add(laz);
third.add(new JLabel ("Portions of Speghetti:"));
third.add(spg);
third.add(calc1);
third.add(Box.createVerticalStrut(30));
calc1.addActionListener(this);
third.add(total1);
third.add(Box.createVerticalStrut(550));
Box s3 = Box.createHorizontalBox();
s3.add(new JLabel (""));
s3.add(new JLabel (""));
s3.add(Box.createHorizontalStrut(800));
JPanel pan3 = new JPanel();
pan3.setLayout(new BorderLayout());
pan3.setBorder(new TitledBorder(new EtchedBorder(), "Indian Food"));
pan3.setBackground(Color.pink);
pan3.add(third, BorderLayout.WEST);
pan3.add(s3,BorderLayout.EAST);
tabbedPane.addTab("Italian",null,pan3,"third Panel");
Box fourth = Box.createVerticalBox();
fourth.add(new JLabel ("Please note that 1 portion = 10 plates"));
fourth.add(Box.createVerticalStrut(10));
fourth.add(new JLabel ("Portions of Vegetable Rice:"));
fourth.add(vr);
fourth.add(new JLabel ("Portions of Noodles:"));
fourth.add(nod);
fourth.add(new JLabel ("Portions of Sweet & Sour Chicken:"));
fourth.add(ssc);
fourth.add(new JLabel ("Portions of Spicy Shrimp:"));
fourth.add(shr);
fourth.add(calc2);
fourth.add(Box.createVerticalStrut(30));
calc2.addActionListener(this);
fourth.add(total1);
fourth.add(Box.createVerticalStrut(550));
Box s4 = Box.createHorizontalBox();
s4.add(new JLabel (""));
s4.add(new JLabel (""));
s4.add(Box.createHorizontalStrut(800));
JPanel pan4 = new JPanel();
pan4.setLayout(new BorderLayout());
pan4.setBackground(Color.yellow);
pan4.setBorder(new TitledBorder(new EtchedBorder(), "Chinese Food"));
pan4.add(fourth, BorderLayout.WEST);
pan4.add(s4,BorderLayout.EAST);
tabbedPane.addTab("Chinese",null,pan4,"fourth Panel");
Box fifth = Box.createVerticalBox();
fifth.add(new JLabel ("Please note that 1 portion = 10 plates"));
fifth.add(Box.createVerticalStrut(10));
fifth.add(new JLabel ("Portions of Kbab:"));
fifth.add(kbab);
fifth.add(new JLabel ("Portions of Shawerma:"));
fifth.add(shaw);
fifth.add(new JLabel ("Portions of Shish Tawooq:"));
fifth.add(shish);
fifth.add(new JLabel ("Portions of Taboola:"));
fifth.add(tab);
fifth.add(calc3);
fifth.add(Box.createVerticalStrut(30));
calc3.addActionListener(this);
fifth.add(total1);
fifth.add(Box.createVerticalStrut(550));
Box s5 = Box.createHorizontalBox();
s5.add(new JLabel (""));
s5.add(new JLabel (""));
s5.add(Box.createHorizontalStrut(800));
JPanel pan5 = new JPanel();
pan5.setLayout(new BorderLayout());
pan5.setBackground(Color.pink);
pan5.setBorder(new TitledBorder(new EtchedBorder(), "Oriental Food"));
pan5.add(fifth, BorderLayout.WEST);
pan5.add(s5,BorderLayout.EAST);
tabbedPane.addTab("Oriental",null,pan5,"fifth Panel");
add (tabbedPane);
}
public void actionPerformed(ActionEvent e)
{
double bar1,sam1,tan1,cur1,stot1,tot1,guest,disc=0,servi=0,them=0;
if (spy.getState())
{
disc=0.3;
}
else if(spn.getState())
{
disc=0;
}
if(thy.getState())
{
them=150;
}
else if(thn.getState())
{
them=0;
}
if(sery.getState())
{
servi=300;
}
else if(sern.getState())
{
servi=0;
}
if (e.getSource()==calc)
{
bar1=Double.parseDouble(bary.getText());
bar1=bar1*40;
sam1=Double.parseDouble(sam.getText());
sam1=sam1*5;
tan1=Double.parseDouble(tand.getText());
tan1=tan1*60;
cur1=Double.parseDouble(cury.getText());
cur1=cur1*60;
guest=Double.parseDouble(t3.getText());
guest=guest*15;
stot1=bar1+sam1+tan1+cur1+guest;
tot1=(stot1*disc)+servi+them;
total1.setText("Your total is " + stot1);
}
double laz1,pas1,piz1,spg1;
if (e.getSource()==calc1)
{
laz1=Double.parseDouble(laz.getText());
laz1=laz1*60;
piz1=Double.parseDouble(piz.getText());
piz1=piz1*50;
pas1=Double.parseDouble(pas.getText());
pas1=pas1*60;
spg1=Double.parseDouble(spg.getText());
spg1=spg1*60;
guest=Double.parseDouble(t3.getText());
guest=guest*15;
stot1=spg1+pas1+piz1+laz1+guest;
total1.setText("Your total is " + stot1);
}
double vr1,ssc1,shr1,nod1;
if (e.getSource()==calc2)
{
vr1=Double.parseDouble(vr.getText());
vr1=vr1*30;
ssc1=Double.parseDouble(ssc.getText());
ssc1=ssc1*50;
nod1=Double.parseDouble(nod.getText());
nod1=nod1*30;
shr1=Double.parseDouble(shr.getText());
shr1=shr1*60;
guest=Double.parseDouble(t3.getText());
guest=guest*15;
stot1=vr1+ssc1+nod1+shr1+guest;
total1.setText("Your total is " + stot1);
}
double shish1,kbab1,tab1,shaw1;
if (e.getSource()==calc3)
{
shish1=Double.parseDouble(shish.getText());
shish1=shish1*50;
kbab1=Double.parseDouble(kbab.getText());
kbab1=kbab1*50;
tab1=Double.parseDouble(tab.getText());
tab1=tab1*30;
shaw1=Double.parseDouble(shaw.getText());
shaw1=shaw1*40;
guest=Double.parseDouble(t3.getText());
guest=guest*15;
stot1=shish1+kbab1+tab1+shaw1+guest;
total1.setText("Your total is " + stot1);
}
}
public static void main(String[] args) {
MainClass tabbedPaneFrame = new MainClass();
tabbedPaneFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
tabbedPaneFrame.setSize(400,480);
tabbedPaneFrame.setVisible(true);
}
}please please please
this is urgent
can anyone help me
