Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package PieChartCreate; import java.sql.ResultSet; import java.sql.SQLException; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JFrame; import javax.swing.JPanel; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.data.general.DefaultPieDataset; import org.jfree.data.general.PieDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /** * * @author Siyam */ public class PieChart_AWT extends JFrame { static String title; public PieChart_AWT(String title, ResultSet resultSet) { super(title); this.title = title; setContentPane(createDemoPanel(resultSet)); this.setDefaultCloseOperation(DISPOSE_ON_CLOSE); } private static PieDataset createDataset(ResultSet resultSet) { try { DefaultPieDataset dataset = new DefaultPieDataset(); while (resultSet.next()) { dataset.setValue(resultSet.getString(1), new Double(resultSet.getString(2))); } return dataset; } catch (SQLException ex) { Logger.getLogger(PieChart_AWT.class.getName()).log(Level.SEVERE, null, ex); } return null; } private static JFreeChart createChart(PieDataset dataset) { JFreeChart chart = ChartFactory.createPieChart("Department Wise " + title, // chart title dataset, // data true, // include legend true, false); return chart; } public static JPanel createDemoPanel(ResultSet resultSet) { JFreeChart chart = createChart(createDataset(resultSet)); return new ChartPanel(chart); } }