Save Chart As PNG 

JFreeChart is a free and pure java chart library for creating professional quality charts. This requires the libraries jfreechart-1.0.13.jar and jcommon-1.0.8.jar to be in classpath. The following example shows exporting a simple 3D pie chart as PNG.

File Name  :   com/bethecoder/tutorials/jfree_charts/tests/ChartAsPNG.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.jfree_charts.tests; import java.io.File; import java.io.IOException; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartUtilities; import org.jfree.chart.JFreeChart; import org.jfree.data.general.DefaultPieDataset; public class ChartAsPNG {   /**    * @param args    * @throws IOException     */   public static void main(String[] args) throws IOException {          //Prepare the data set     DefaultPieDataset pieDataset = new DefaultPieDataset();     pieDataset.setValue("Coca-Cola", 26);     pieDataset.setValue("Pepsi", 20);     pieDataset.setValue("Gold Spot", 12);     pieDataset.setValue("Slice", 14);     pieDataset.setValue("Appy Fizz", 18);     pieDataset.setValue("Limca", 10);          //Create the chart     JFreeChart chart = ChartFactory.createPieChart3D(         "Soft Dink 3D Pie Chart", pieDataset, true, true, true);          //Save chart as PNG       ChartUtilities.saveChartAsPNG(new File("soft3d.png"), chart, 400, 300);   } }