public PieChartSyahrul() {
this.setSize(600, 400);
this.setTitle("Diagram PIE SYAHRUL");
this.setLocationRelativeTo(null);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
PieDataset dataset = buildData();
JFreeChart chart = buildChart(dataset, "Game yang Sering Dimainkan");
ChartPanel pieChart = new ChartPanel(chart);
this.setContentPane(pieChart);