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Pie Chart

                         

In this section we are providing you an example to create a Pie Chart.

Description of Example
     
For creating a Pie Chart we use PieDataset. In this example, for creating a PieDataset we are using DefaultPieDataset class. Then we add some data in this dataset that will show in chart.

Description of Code
   
        DefaultPieDataset pieDataset = new DefaultPieDataset();
For defining a dataset for a pie chart we have to create an object of DefaultPieDataSet type :
    

       
setValue(“one”, new Integer(10));
After creating the instance of dataset then we have to add the data in the data set by invoking the method setValue(). Like
        
        JFreeChart chart = ChartFactory.createPieChart("Pie Chart using JFreeChart", pieDataset true, true, true);
After added the data in dataset we create the Pie Chart by invoking the createPieChart() method. This method is a static method of ChartFactory class and its returns the object of JFreeChart type. This method syntax is:
        Public static JFreeChart createPieChart(java.lang.String title, pieDataset dataset, boolean legend, boolean tooltips, boolean urls);

        ChartFrame frame1=new ChartFrame("Pie Chart",chart);
After this we create the object of ChartFrame. It used to display a chart.

Here is code of the program :

import java.awt.*;
import org.jfree.chart.*;
import org.jfree.chart.title.*;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.ui.*;

public class pie{
public static void main(String arg[]){
  DefaultPieDataset pieDataset = new DefaultPieDataset();
  pieDataset.setValue("One"new Integer(10));
  pieDataset.setValue("Two"new Integer(20));
  pieDataset.setValue("Three"new Integer(30));
  pieDataset.setValue("Four"new Integer(10));
  pieDataset.setValue("Five"new Integer(20));
  pieDataset.setValue("Six"new Integer(10));
  JFreeChart chart = ChartFactory.createPieChart
   ("Pie Chart using JFreeChart", pieDataset, true,true,true);

  ChartFrame frame1=new ChartFrame("Pie Chart",chart);
  frame1.setVisible(true);
  frame1.setSize(300,300);
  }
}

Output of the Program :

Download this example

                         

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Current Comments

7 comments so far (post your own) View All Comments Latest 10 Comments:

hello
pleace help me iwant to tell create pie Dateset+jsp

Posted by abdalla on Sunday, 02.28.10 @ 20:00pm | #95180

your using DefaultPieDataset pieDataset = new DefaultPieDataset();..
i want to connect database and retrieve data and plot charts ..please any one replay..

Posted by Natarajan on Monday, 10.26.09 @ 11:55am | #92116

The given two Jar Files for download are not getting supported when used in the code. Please suggest on this.

Posted by Pavan Kumar O V S on Sunday, 09.27.09 @ 17:51pm | #91241

Thanks this works !!

Posted by Kedar on Friday, 04.3.09 @ 17:19pm | #86475

Hi,
It is very useful code so far.But i need the same functionality in struts code, so please provide the code.

Thanks & Regards
Tri Ho

Posted by Tri Ho on Wednesday, 10.31.07 @ 07:25am | #35211

Hi Goutam,

Please suggest the functionality that will help you.

Thanks

Posted by Deepak Kumar on Wednesday, 03.28.07 @ 18:29pm | #12851

Hi,
It is very useful code so far.But i need the same functionality in jsp code, so please provide the code.

Thanks & Regards
Goutam

Posted by Goutam Kumar Patra on Wednesday, 03.28.07 @ 18:22pm | #12850

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