I have an error that says "Illegal start of expression" for the line

public void actionPerformed(ActionEvent e) (line 185)

for the class named ScheduleFrame.java

and another error that says that ; is expected (line 310) , but i do not know exactly where do i put the ;

This is the whole code for ScheduleFrame.java


/**
*Creation of a Graphical User Interface with many functions.
*
* @author (Aigini)
* @version (a version number or a date)
*/
import javax.swing.*;
import static javax.swing.JOptionPane.*;
import java.awt.*;
import java.awt.event.*;

/**
* Creating class ScheduleFrame which has labels, text fields, text areas,
* buttons, panels, containers, scroll panes and combo boxes.
*/

public class ScheduleFrame extends JFrame implements ActionListener {

/**initializing J-type variables*/

private JLabel lbnum, lbc_code, lbdate, lbtime, lbdur, lbroomnum;
private JTextField tfnum,tfc_code, tfroomnum,tfdel,tfedit;
private JTextArea tashow;
private JButton badd, bsearch, bsort, bdelete, bshow,bedit;
private JPanel pan1, pan2, pan3, pan4, pan5, pan6;
private Container c;
private JScrollPane scroll;
private Schedule u;
private Exam ex[];
private int count;
private JComboBox cbday, cbmonth, cbyear;
private JComboBox cbsec, cbmin, cbhour;
private JComboBox cbsec1, cbmin1, cbhour1;



/**constructing Schedule Frame*/

public ScheduleFrame() {
super("Exam Scheduler");
u = new Schedule();
c = getContentPane();

/**constructing labels*/
lbnum = new JLabel("Number : ");
lbc_code = new JLabel(" Course code : ");
lbdate = new JLabel(" Date : ");
lbtime = new JLabel(" Time : ");
lbdur = new JLabel(" Duration : ");
lbroomnum = new JLabel(" Room Number : ");

/**constructing text fields*/
tfnum = new JTextField();
tfc_code = new JTextField();
tfroomnum = new JTextField();

/**constructing text area*/
tashow = new JTextArea();
tashow.setSize(500, 300);
scroll = new JScrollPane(tashow);

/**constructing buttons*/
badd = new JButton("Add");
bsearch = new JButton("Search");
bsort = new JButton("Sort");
bdelete = new JButton("Delete");
bshow = new JButton("Show");
bedit = new JButton("Edit");

/**construct JCombo Boxes*/
cbday = new JComboBox();
cbday.addItem("Day");
for (int k = 1; k < 32; k++) {
cbday.addItem(new Integer(k));
}
cbmonth = new JComboBox();
cbmonth.addItem("Month");
for (int i = 1; i < 13; i++) {
cbmonth.addItem(new Integer(i));
}
cbyear = new JComboBox();
cbyear.addItem("Year");
for (int n = 2007 ; n <3000; n++) {
cbyear.addItem(new Integer(n));
}

cbsec = new JComboBox();
cbsec.addItem("Second");
for (int k = 1; k < 61; k++) {
cbsec.addItem(new Integer(k));
}
cbmin = new JComboBox();
cbmin.addItem("Minute");
for (int i = 1; i < 61; i++) {
cbmin.addItem(new Integer(i));
}
cbhour = new JComboBox();
cbhour.addItem("Hour");
for (int n = 1; n < 25; n++) {
cbhour.addItem(new Integer(n));

cbsec1 = new JComboBox();
cbsec1.addItem("Second");
for (int k = 1; k < 61; k++) {
cbsec1.addItem(new Integer(k));
}
cbmin1 = new JComboBox();
cbmin1.addItem("Minute");
for (int i = 1; i < 61; i++) {
cbmin1.addItem(new Integer(i));
}
cbhour1 = new JComboBox();
cbhour1.addItem("Hour");
for (int n = 1; n < 25; n++) {
cbhour1.addItem(new Integer(n));
}

/**attaching actionListeners*/

badd.addActionListener(this);
bsearch.addActionListener(this);
bsort.addActionListener(this);
bdelete.addActionListener(this);
bshow.addActionListener(this);
bedit.addActionListener(this);

/**construct panels*/

pan1 = new JPanel();
pan2 = new JPanel();
pan3 = new JPanel();
pan4 = new JPanel();
pan5 = new JPanel();
pan6 = new JPanel();

/**assign layouts for panels*/

pan1.setLayout(new GridLayout(2, 2));
pan1.add(lbc_code); pan1.add(tfc_code);
pan1.add(lbroomnum); pan1.add(tfroomnum);

pan2.setLayout(new GridLayout(1, 5));
pan2.add(badd); pan2.add(bsearch); pan2.add(bsort);
pan2.add(bdelete); pan2.add(bshow);pan2.add(bedit);
pan2.setSize(500, 100);

pan3.setLayout(new GridLayout(4, 1));
pan3.add(pan1);
pan3.add(pan2);
pan3.add(pan4);
pan3.add(pan5);
pan3.add(pan6);

pan4.setLayout(new GridLayout(1, 4));
pan4.add(lbdate); pan4.add(cbday); pan4.add(cbmonth);
pan4.add(cbyear);

pan5.setLayout(new GridLayout(1, 4));
pan5.add(lbtime);
pan5.add(cbsec);pan5.add(cbmin);pan5.add(cbhour);

pan6.setLayout(new GridLayout(1,2));
pan6.add(lbdur);
pan6.add(cbsec1);pan6.add(cbmin1);pan6.add(cbhour1);

c.add(pan3, BorderLayout.NORTH);
c.add(scroll, BorderLayout.CENTER);

setSize(500, 500);
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}

/**making the buttons function
* @param badd = add button to add data into the file
* @param bsearch = search button to search for data in the file
* @param bshow = show button that will display all records once clicked
* @param bsort = sort button that will sort all the data displayed once clicked
* @param bedit = edit button that will edit details once clicked
* @param bdelete = delete button that will delete data once clicked
*/


public void actionPerformed(ActionEvent e) {
Object s = e.getSource();



if (s == badd) {
if (tfc_code.getText().trim() == "" || tfroomnum.getText().trim() == "") {
showMessageDialog(null, "Text Fields cannot leave blank!");
}
else {
int num = Integer.parseInt(tfnum.getText());
String c_code = tfc_code.getText();
String roomnum = tfroomnum.getText();


int day = (Integer)cbday.getSelectedItem();
int month = (Integer)cbmonth.getSelectedItem();
int year = (Integer)cbyear.getSelectedItem();
int sec = (Integer)cbsec.getSelectedItem();
int min = (Integer)cbmin.getSelectedItem();
int hour = (Integer)cbhour.getSelectedItem();
int sec1 = (Integer)cbsec1.getSelectedItem();
int min1 = (Integer)cbmin1.getSelectedItem();
int hour1 = (Integer)cbhour1.getSelectedItem();

Date date = new Date(day, month, year);
Time time = new Time(hour, min, sec);
Time dur = new Time(hour1, min1, sec1);

u.createRecord(num,c_code, date, time, dur, roomnum);
tfc_code.setText("");
tfroomnum.setText("");
cbday.setSelectedItem("Day");
cbmonth.setSelectedItem("Month");
cbyear.setSelectedItem("Year");
cbsec.setSelectedItem("Second");
cbmin.setSelectedItem("Minute");
cbhour.setSelectedItem("Hour");
cbsec1.setSelectedItem("Second");
cbmin1.setSelectedItem("Minute");
cbhour1.setSelectedItem("Hour");

}
}



else if (s == bshow) {
String show = u.readRecord();
tashow.setText(show);
}

else if (s == bsort) {
tashow.setText("");
String show = "Before sorted : \n" + u.readRecord();
u.sortDate();
show += "\nAfter sorted : \n" + u.readRecord();
tashow.setText(show);
}

else if (s == bsearch){

int day = (Integer)cbday.getSelectedItem();
int month = (Integer)cbmonth.getSelectedItem();
int year = (Integer)cbyear.getSelectedItem();
Date d = new Date(day,month,year);

String show = u.searchDate(d);
tashow.setText(show);

}

else if (s == bedit) {

tashow.setText("");
String show = "Before editing : \n" + u.readRecord();
int copy = 1;

for(int x = 0; x < count; x++)
show += x + " \t " + " \t " + ex[x].getCourse_code() + "\n";

/**ask user for edit selection*/

int edit = Integer.parseInt(tfedit.getText());

String c_code= tfc_code.getText();
String roomnum = tfroomnum.getText();

int day = (Integer)cbday.getSelectedItem();
int month = (Integer)cbmonth.getSelectedItem();
int year = (Integer)cbyear.getSelectedItem();
int sec = (Integer)cbsec.getSelectedItem();
int min = (Integer)cbmin.getSelectedItem();
int hour = (Integer)cbhour.getSelectedItem();
int sec1 = (Integer)cbsec1.getSelectedItem();
int min1 = (Integer)cbmin1.getSelectedItem();
int hour1 = (Integer)cbhour1.getSelectedItem();

Date d = new Date(day, month, year);
Time t = new Time(hour, min, sec);
Time dur = new Time(hour1, min1, sec1);



u.editRecord(edit,c_code,d,t,dur,roomnum);
show += "\nAfter editing : \n" + u.readRecord();
tashow.setText(show);

}

else if (s==bdelete){

tashow.setText("");
int del = Integer.parseInt(tfdel.getText());

String show = "Before deleting : \n" + u.readRecord();
u.deleteRecord(del);
show += "\nAfter deleting : \n" + u.readRecord();
tashow.setText(show);

}
}
public static void main(String args[]) {
ScheduleFrame h = new ScheduleFrame();
}
}
}