Import package help!!

Question

import java.awt.*;
import javax.swing.JFrame;
import com.jrefinery.io.FileUtilities;
import com.jrefinery.report.JFreeReport;
import com.jrefinery.report.ReportProcessingException;
import com.jrefinery.report.io.ReportGenerator;
import com.jrefinery.report.preview.PreviewFrame;
import com.jrefinery.report.util.ExceptionDialog;
import com.jrefinery.report.util.ReportConfiguration;
import com.jrefinery.ui.ApplicationFrame;
import com.jrefinery.ui.RefineryUtilities;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.TableModel;
import java.awt.BorderLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.sql.*;
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Company: </p>
* @author unascribed
* @version 1.0
public class IntrusionRateFrame extends JFrame implements ActionListener {
private TableModel data;
private JFreeReport report;
private String db;
private String dbpath;
public IntrusionRateFrame(String title) {
super(title);
setJMenuBar(createMenuBar());
setContentPane(createContent());
this.setSize(new Dimension(781, 446));
public JMenuBar createMenuBar()
JMenuBar mb = new JMenuBar();
JMenu fileMenu = new JMenu("File");
JMenuItem previewItem = new JMenuItem("Preview Report");
previewItem.setActionCommand("PREVIEW");
previewItem.addActionListener(this);
JMenuItem exitItem = new JMenuItem("Exit");
exitItem.setActionCommand("EXIT");
exitItem.addActionListener(this);
fileMenu.add(previewItem);
fileMenu.addSeparator();
fileMenu.add(exitItem);
mb.add(fileMenu);
return mb;
public JPanel createContent()
JPanel content = new JPanel(new BorderLayout());
content.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
ADataModels adm=new ADataModels(connect());//get the table
this.data = adm;
JTable table = new JTable(data);
table.setRowHeight(26);
JScrollPane scrollPane = new JScrollPane(table);
content.add(scrollPane);
return content;
public void actionPerformed(ActionEvent e)
String command = e.getActionCommand();
if (command.equals("PREVIEW"))
previewReport();
else if (command.equals("EXIT"))
dispose();
System.exit(0);
protected void previewReport()
try
if (this.report == null)
URL in = getClass().getResource("Intrusion Rate Per Day.xml");
this.report = parseReport(in);
this.report.setData(this.data);
if (this.report != null)
PreviewFrame frame = new PreviewFrame(this.report);
frame.setLargeIconsEnabled(true);
frame.setToolbarFloatable(false);
frame.pack();
RefineryUtilities.positionFrameRandomly(frame);
frame.setVisible(true);
frame.requestFocus();
catch (ReportProcessingException rpe)
ExceptionDialog.showExceptionDialog("Error", "Unable to init", rpe);
private JFreeReport parseReport(URL templateURL)
JFreeReport result = null;
ReportGenerator generator = ReportGenerator.getInstance();
try
result = generator.parseReport(templateURL);
catch (Exception e)
ExceptionDialog.showExceptionDialog("Error on parsing",
"Error while parsing " + templateURL, e);
return result;
private ResultSet connect(){
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
     dbpath="c:/system/systemdb.mdb";
     db="jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=";
     db+= dbpath.trim() + ";DriverID=22;READONLY=true}";
Connection con2= DriverManager.getConnection(db,"","");
Statement s2=con2.createStatement(java.sql.ResultSet.TYPE_SCROLL_SENSITIVE,java.sql.ResultSet.CONCUR_READ_ONLY);
String sql2="SELECT Log_id, IP_Address, Host_Name, Port_Number, Port_Name, Date, Time, Log_Counted FROM Intrusion_Log ORDER BY Date AND Time";
ResultSet rs2 =s2.executeQuery(sql2);
return rs2;
}//end try
catch(Exception ex){
System.out.println("Error: " + ex);
}//end catch
return null;
my code is as above
i try to import the import com.jrefinery.io.FileUtilities;
package but when i compile it i got this kind of errors
^
.\IntrusionRateFrame.java:134: cannot resolve symbol
symbol : class ReportGenerator
location: class IntrusionRateFrame
ReportGenerator generator = ReportGenerator.getInstance();
^
.\IntrusionRateFrame.java:134: cannot resolve symbol
symbol : variable ReportGenerator
location: class IntrusionRateFrame
ReportGenerator generator = ReportGenerator.getInstance();
^
.\IntrusionRateFrame.java:141: cannot resolve symbol
symbol : variable ExceptionDialog
location: class IntrusionRateFrame
ExceptionDialog.showExceptionDialog("Error on parsing",
is that mean i had not import the package??
how do i import them if so??
thanks

Answer 1

The other way is to put the jar file inside the java_install_dir/jre/lib/ext folder. And just close the old dos prompt and start a new one. Classes will be automatically added to the classpath.