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 tests; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartFrame; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.data.general.DefaultPieDataset; /** * * @author stjohn */ public class Graph extends javax.swing.JInternalFrame { private static JFreeChart objChart; public static JFreeChart getObjChart() { return objChart; } public static void setObjChart(JFreeChart objChart) { Graph.objChart = objChart; } /** * Creates new form Graph */ public Graph() { initComponents(); DefaultPieDataset objDataset = new DefaultPieDataset(); objDataset.setValue("Apple", 29); objDataset.setValue("HTC", 15); objDataset.setValue("Samsung", 24); objDataset.setValue("LG", 7); objDataset.setValue("Motorola", 10); objChart = ChartFactory.createPieChart("Demo Pie Chart", //Chart title objDataset, //Chart Data true, // include legend? true, // include tooltips? false // include URLs? ); ChartPanel frame = new ChartPanel(objChart); this.setContentPane(frame); } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { }// </editor-fold>//GEN-END:initComponents // Variables declaration - do not modify//GEN-BEGIN:variables // End of variables declaration//GEN-END:variables }