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package chart;
 
import java.awt.Dimension;
 
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.NumberTickUnit;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.xy.CategoryTableXYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
 
public class ScatterPlotDemo extends ApplicationFrame {
 
    private static final long serialVersionUID = 1L;
 
    public ScatterPlotDemo(String title) {
	super(title);
	CategoryTableXYDataset dataset = new CategoryTableXYDataset();
	dataset.add(2, 4, "a");
	dataset.add(11, 2, "b");
	JFreeChart chart = ChartFactory.createScatterPlot("titre", "x", "y", dataset, PlotOrientation.VERTICAL, true, true, false);
	ChartPanel chartPanel = new ChartPanel(chart, false);
	chartPanel.setPreferredSize(new Dimension(500, 270));
	setContentPane(chartPanel);
 
	XYPlot plot = chart.getXYPlot();
 
	NumberAxis xAxe = (NumberAxis) plot.getDomainAxis();
	xAxe.setLabel("xXx");
	xAxe.setTickUnit(new NumberTickUnit(1));
 
	NumberAxis yAxe = (NumberAxis) plot.getRangeAxis();
	yAxe.setLabel("yYy");
	yAxe.setTickUnit(new NumberTickUnit(1));
    }
 
    public static void main(String[] args) {
	ScatterPlotDemo demo = new ScatterPlotDemo("fenêtre");
	demo.pack();
	RefineryUtilities.centerFrameOnScreen(demo);
	demo.setVisible(true);
    }
} | 
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