i really need help...
i dont know where the problem...
the line error on that part>>class reserveform extends JFrame implements {
import java.awt.Dimens;
import java.awt.*;
import javax.swing.*;
import java.util.List;
import java.util.LinkedList;
import java.util.Iterator;
import java.util.ListIterator;
import java.util.Collections;
import java.awt.event.*;
class reserveform extends JFrame implements {
// operation interface
JPanel operation;
JButton reservbtn, cancel,modify,save;
JButton next,first,last,previous;
JPanel moving;
reserveform ()
{
Container c = getContentPane();
c.setLayout(new FlowLayout());
c.setBackground(Color.red);
//hostcontainer = new JPanel(new FlowLayout());
name= new JLabel("Name:");
id = new JLabel("ID");
address = new JLabel("Address:");
job = new JLabel("JOB:");
txtname= new JTextField(20);
txtid = new JTextField (20);
txtaddress= new JTextField (20);
txtjob = new JTextField (20);
name_id = new JPanel(new FlowLayout());
name_id .setBackground(Color.red);
addr_job = new JPanel(new FlowLayout());
addr_job.setBackground(Color.red);
//add elemtents into panel
name_id.add(name); name_id.add(txtname);
name_id .add(id); name_id .add(txtid);
addr_job .add(address); addr_job .add(txtaddress);
addr_job .add(job); addr_job .add(txtjob);
//hostcontainer.add(name_id ); hostcontainer.add(addr_job );
c.add(name_id); c.add(addr_job);
//c.add(hostcontainer,"North");
// building interface for room
type=new JLabel("Type: ");
roomno=new JLabel("roomNo ");
arrivingdate=new JLabel("Arriving");
days= new JLabel("Days:");
txttype = new JComboBox(new String[]{"Single","Double","Sweet"});
txttype.setBackground(Color.red);
txtromno= new JTextField(20);
txtarriving= new JTextField(20);
txtdays= new JTextField(20);
roomcontainer = new JPanel(new FlowLayout());
roomcontainer.setBackground(Color.red);
roomcontainer.add(type); roomcontainer.add(txttype);
container2= new JPanel(new FlowLayout());
container2.setBackground(Color.red);
container2.add(roomno); container2.add(txtromno);
container3= new JPanel(new FlowLayout());
container3.setBackground(Color.red);
container3.add(arrivingdate); container3.add(txtarriving);
container4 = new JPanel(new FlowLayout());
container4 .setBackground(Color.red);
container4.add(days);container4.add(txtdays);
c.add(roomcontainer); c.add(container2); c.add(container3); c.add(container4);
// build interface of operations
operation= new JPanel(new FlowLayout());
operation.setBackground(Color.red);
reservbtn = new JButton("New Resv:");
reservbtn.addActionListener(this);
cancel = new JButton("Cancel");
cancel.addActionListener(this);
modify= new JButton("Modify");
modify.addActionListener(this);
save = new JButton("Save");
save.addActionListener(this);
moving = new JPanel(new FlowLayout());
moving .setBackground(Color.red);
next = new JButton("Next");
next.addActionListener(this);
first= new JButton("first");
first.addActionListener(this);
last= new JButton("last");
last.addActionListener(this);
previous= new JButton("previous");
previous.addActionListener(this);
moving.add(first); moving.add(next); moving.add(previous); moving.add(last);
operation.add(reservbtn); operation.add(save);
operation.add(cancel); operation.add(modify);
c.add(operation);
c.add(moving);
setVisible(true);
setSize(600,270);
setResizable(false);
if (listA.isEmpty())
{ disableall(); disableaction();}
setLocation(600,100);
}
void enableall()
{
next.setEnabled(true);
first.setEnabled(true);
last.setEnabled(true);
previous.setEnabled(true);
cancel.setEnabled(true);
modify.setEnabled(true);
save.setEnabled(true);
}
void disableall()
{
next.setEnabled(false);
first.setEnabled(false);
last.setEnabled(false);
previous.setEnabled(false);
}
void disableaction()
{
cancel.setEnabled(false); modify.setEnabled(false); save.setEnabled(false);
}
public void clearboxes()
{
txtname.setText(" ");
txtid.setText(" ");
txtaddress.setText(" ");
txtjob.setText(" ");
txtromno.setText(" ");
txtarriving.setText(" ");
txtdays.setText(" ");
}
public void fillinfo()
{
return new reservation(txtname.getText(), txtid.getText(),txtaddress.getText(),
txtjob.getText(), txtromno.getText(), txtarriving.getText(),txtdays.getText(),
(String)txttype.getSelectedItem());
}
public void show (reservation ob)
{
if (index< listA.size() && index>=0)
{
txtname.setText(ob.hst.name);
txtid.setText(ob.hst.id);
txtaddress.setText(ob.hst.address);
txtjob.setText(ob.hst.job);
txtromno.setText(ob.rm.roomno);
txtarriving.setText(ob.dateofcome);
txtdays.setText(ob.days+" ");
if(ob.rm.type.equals("Single"))
txttype.setSelectedIndex(0);
else
if(ob.rm.type.equals("Double"))
txttype.setSelectedIndex(1);
else
txttype.setSelectedIndex(2);
}
}
public void actionPerformed(ActionEvent e)
{
String lbl=e.getActionCommand();
if(lbl.equals( "New Resv:"))
{ clearboxes();
save.setEnabled(true);
cancel.setEnabled(true);
cancel.setText("ignore");
}
else
if(lbl.equals("Save"))
{
listA.add(fillinfo());
index= listA.size()-1;
show((reservation)listA.get(index));
enableall();cancel.setText("Cancel");
}
else
if(lbl.equals("Cancel") )
{ listA.remove(index);
if(!listA.isEmpty())
show((reservation)listA.get(index));
else
{ disableall(); disableaction();clearboxes();}
}
else if (lbl.equals("ignore"))
{ clearboxes(); cancel.setText("Cancel"); enableall();}
else
if(lbl.equals("Modify"))
{
listA.add(fillinfo());
listA.remove(index);
show((reservation)listA.get(listA.size()-1));
}
else
if(lbl.equals("first"))
{
index=0; show((reservation)listA.get(index));cancel.setText("Cancel");
}
else
if(lbl.equals("last"))
{ index=listA.size()-1; show((reservation)listA.get(index));cancel.setText("Cancel");}
else
if(lbl.equals("previous") && index>0)
{
index-=1; show((reservation)listA.get(index));cancel.setText("Cancel");
}
else
if(lbl.equals("Next") && (index+1) < listA.size())
{
index+=1;show((reservation)listA.get(index)); cancel.setText("Cancel");
}
}
}
