How to show a XY Chart using JFreeChart ??

Hi guys,

   I got the following code :

import java.awt.*;
import java.awt.event.*;
import java.io.PrintStream;
import java.util.ResourceBundle;
import java.util.Vector;
import javax.swing.*;

import org.jfree.chart.JFreeChart;
import org.jfree.data.XYSeries;
import org.jfree.data.XYSeriesCollection;
import org.jfree.data.XYDataset;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.plot.PlotOrientation;

public class JChartXY implements ActionListener, WindowListener
{

    public static void main(String[] args) {
      
      XYSeries series = new XYSeries("Average Size");
      series.add(20.0, 10.0);
      series.add(40.0, 20.0);
      series.add(70.0, 50.0);
      XYDataset xyDataset = new XYSeriesCollection(series);
      
      JFreeChart chart = ChartFactory.createXYAreaChart
                           ("Sample XY Chart",  // Title
                            "Height",           // X-Axis label
                            "Weight",           // Y-Axis label
                            xyDataset,          // Dataset
                            PlotOrientation.HORIZONTAL,
                            true,                // Show legend
                            false,
                            false
                           );
                     }
}

it compiled successfully but nothing show up ! So how to make the XY Chart appear ? Thanks !
northborneoAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

northborneoAuthor Commented:
guys .... pls help. ...pls ..pls
0
jimmackCommented:
It looks like you've created the chart OK, but you haven't displayed it.  Have a look in the documentation (there should be some examples).  Do you need to add the "chart" object to a JFrame or similar?

OK.  Got it.

Add the following:

import org.jfree.chart.ChartPanel;

For testing, I changed the class definition to:

public class JChartXY  // ie. removed the implements

Then added the following code at the end of your main method:

        JFrame mainFrame = new JFrame("Chart test");
        mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
       
        ChartPanel mainPanel = new ChartPanel(chart);
       
        mainFrame.getContentPane().add(mainPanel);
       
        mainFrame.setSize(new Dimension(600, 400));
        mainFrame.show();
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Java

From novice to tech pro — start learning today.