import org.jfree.chart.JFreeChart;
import org.jfree.chart.ChartFactory;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.chart.plot.PlotOrientation;

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

public class Test4_1 extends JFrame{
  public static void main(String[] args) {
    Test4_1 frame = new Test4_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);
  }

  Test4_1(){
    DefaultCategoryDataset data = new DefaultCategoryDataset();
    String[] series = {"キリン", "アサヒ", "サッポロ", "サントリー"};
    String[] category = {"1998年", "1999年", "2000年"};

    data.addValue(44, series[0], category[0]);
    data.addValue(42, series[0], category[1]);
    data.addValue(41, series[0], category[2]);
    data.addValue(30, series[1], category[0]);
    data.addValue(35, series[1], category[1]);
    data.addValue(39, series[1], category[2]);
    data.addValue(20, series[2], category[0]);
    data.addValue(18, series[2], category[1]);
    data.addValue(12, series[2], category[2]);
    data.addValue(10, series[3], category[0]);
    data.addValue(18, series[3], category[1]);
    data.addValue(26, series[3], category[2]);

    JFreeChart chart = 
      ChartFactory.createAreaChart("ビールシェア",
                                   "年度",
                                   "シェア",
                                   data,
                                   PlotOrientation.HORIZONTAL,
                                   true,
                                   false,
                                   false);

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