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hashim fikri
illegal start of type
2 Answer(s)      6 years and 6 months ago
Posted in : Java Beginners

Hello! I'm very new to writing java. And I keep getting the "Illegal Start of Type" error. I've tried everything to fix it. can anyone help me?

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 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");
                  }    



    }





}

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View Answers

October 24, 2010 at 2:11 AM


Let me know the specific line of code that's generating the error message, then perhaps, i can help [email protected]



October 24, 2010 at 12:46 PM


i have error on this part

class reserveform extends JFrame implements {

i hope that you can reply me as soon as posibble...^_^










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