import org.jfree.chart.JFreeChart;
import org.jfree.chart.ChartFactory;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.Month;

import javax.swing.JFrame;
import java.awt.BorderLayout;
import org.jfree.chart.ChartPanel;

public class Test2_1 extends JFrame{
  public static void main(String[] args) {
    Test2_1 frame = new Test2_1();

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setBounds(10, 10, 500, 500);
    frame.setTitle("グラフサンプル");
    frame.setVisible(true);
  }

  Test2_1(){
    TimeSeriesCollection data = new TimeSeriesCollection();

    TimeSeries series = new TimeSeries("Aサイト", Month.class);
    series.add(new Month(7, 2007), 120);
    series.add(new Month(8, 2007), 140);
    series.add(new Month(9, 2007), 150);
    series.add(new Month(10, 2007), 190);
    series.add(new Month(11, 2007), 230);
    series.add(new Month(12, 2007), 280);

    data.addSeries(series);

    JFreeChart chart = 
      ChartFactory.createTimeSeriesChart("PV推移",
                                  "月",
                                  "PV",
                                  data,
                                  true,
                                  false,
                                  false);

    ChartPanel cpanel = new ChartPanel(chart);
    getContentPane().add(cpanel, BorderLayout.CENTER);
  }
}