Code: Select all import javax.swing.JFrame; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.labels.StandardXYToolTipGenerator; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.xy.*; import org.jfree.data.xy.DefaultXYDataset; public class ToolTipDemo { public static void main(String[] args) { DefaultXYDataset set = new DefaultXYDataset(); set.addSeries("Values",new double[][]{{1,2,3.25,4,5},{10,15,8,37,23}}); ...