Error: resolved symbol??

Question

hi, i got an error: cant resolve symbol
symbol : constructor JTable(java.util.ArrayList, java.lang.String[])
table = new JTable....
^
how do i resolve this ?
import java.io.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.net.URL;
import java.sql.*;
public class ViewCharges extends JFrame {
String url = "jdbc:odbc:SwitchingSystem";
String username = "admin";
String password = "password";     
private Container contentPane = this.getContentPane();
public void ViewCharges() {
final String[] colHeads = { "Subscriber_ID", "Tel_Num",
"Address", "Balance" };     
JTable table;
ArrayList al = new ArrayList();
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection(url, username, password);
PreparedStatement stat = con.prepareStatement(
     "select id_number,tel_number,address,balance from TelephoneDirectory");
     ResultSet rs2 = stat.executeQuery();
     while (rs2.next()){
          Subscriber s = new Subscriber();
          s.setSubscriberID(rs2.getString("id_number"));
          s.setTelNum(rs2.getString("tel_number"));
          s.setAddress(rs2.getString("address"));
          s.setCharges(Integer.parseInt((rs2.getString("balance"))));
     al.add(s);          
problem!! -> table = new JTable(al, colHeads);
     int v = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
     int h = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
     JScrollPane jsp = new JScrollPane(table, v, h);
     contentPane.add(jsp, BorderLayout.CENTER);
          System.out.println(al);
          rs2.close();
          con.close();
          catch (ClassNotFoundException cnfex)
               System.err.println("Failed to load JDBC/ODBC driver." );
               System.exit( 1 );      
          catch (SQLException sqlex)
               System.err.println( "Unable to connect" );
               System.exit( 1 );
public static void main(String[] args) {
     ViewCharges v = new ViewCharges();

Answer 1

now i got another error..... how do i resolve this?
java.lang.ClassCastException
at javax.swing.table.DefaultTableModel.justifyRows(DefaultTableModel.jav
a:238)
at javax.swing.table.DefaultTableModel.setDataVector(DefaultTableModel.j
ava:194)
at javax.swing.table.DefaultTableModel.<init>(DefaultTableModel.java:131
at javax.swing.JTable.<init>(JTable.java:392)
at ViewCharges.<init>(ViewCharges.java:49)
at StartUp.actionPerformed(StartUp.java:84)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:17
-----------my code--------------------------------
public class ViewCharges extends JFrame {
private Container contentPane = this.getContentPane();
private JTable table;     
public ViewCharges() {
String url = "jdbc:odbc:SwitchingSystem";
String username = "admin";
String password = "password";     
String [] colHeads = { "Subscriber_ID", "Tel_Num",
"Address", "Balance" };     
Vector t = new Vector();
t.addElement(colHeads);
Vector al = new Vector();
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection(url, username, password);
PreparedStatement stat = con.prepareStatement(
     "select id_number,tel_number,address,balance from TelephoneDirectory");
     ResultSet rs2 = stat.executeQuery();
     while (rs2.next()){
          Subscriber s = new Subscriber();
          s.setSubscriberID(rs2.getString(1));
          s.setTelNum(rs2.getString(2));
          s.setAddress(rs2.getString(3));
          s.setCharges(rs2.getString(4));
     al.add(s);          
table = new JTable(al,t);
          rs2.close();
          con.close();
          catch (ClassNotFoundException cnfex)
               System.err.println("Failed to load JDBC/ODBC driver." );
               System.exit( 1 );      
          catch (SQLException sqlex)
               System.err.println( "Unable to connect" );
               System.exit( 1 );
     int v = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
     int h = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
     JScrollPane jsp = new JScrollPane(table, v, h);
     contentPane.add(jsp, BorderLayout.CENTER);
          setVisible(true);
show();
public static void main(String[] args) {
     ViewCharges v = new ViewCharges();
---------------------------end-----------------------