title: Add a JFreeChart in to JPanel
body: <p>if i have a my Jpanel and a my JFreeChart. How can I add this Chart in to the JPanel?</p>
  
  <pre><code>XYSeries series = new XYSeries("XYGraph");
     series.add(1, 1);
     series.add(1, 2);
     series.add(2, 1);
     series.add(3, 9);
     series.add(4, 10);
  
  // Add the series to your data set
     XYSeriesCollection dataset = new XYSeriesCollection();
     dataset.addSeries(series);
  
  // Generate the graph
     JFreeChart chart = ChartFactory.createXYLineChart(
     "XY Chart", // Title
     "x-axis", // x-axis Label
     "y-axis", // y-axis Label
     dataset, // Dataset
     PlotOrientation.VERTICAL, // Plot Orientation
     true, // Show Legend
     true, // Use tooltips
     false // Configure chart to generate URLs?
  );
  </code></pre>
  
  <p>and now, how can i add chart in my JPanle?</p>