You may refer to the earlier tutorials if you have not done so. Jfreechart series1: How to create a dynamic bar-chart using jfreechart library in java Jfreechart series2: How to create a dynamic pie chart using jfreechart library in java In this tutorial I’ll show you how we can use JFreeChart library to create 3D Pie chart. First I’ll give you the source of the chart utility where I’m populating the... 

 In the earlier tutorial I showed you how to create Bar chart using JFreeChart library. In this second article I’ll explain how to create pie chart. Everything is same like the previous tutorial, except the servlet code will be changed. So let me first put the servlet code here: package com.cts.chartgen.servlets;   import java.awt.Color; import java.io.IOException; import java.io.OutputStream;   import javax.servlet.ServletException; import... 

In Java creating any graph or chart like bar chart or pie chart is very easy. For this we have a very light weight but powerful library called JFreeChart. This is an open source library in Java that allows developer to generate charts/graphs when user wants graphs to be regenerated frequently and dynamically. JfreeChart can be downloaded from http://sourceforge.net/project/showfiles.php?group_id=15494&package_id=12428 For...