```java


import javax.swing.*;
 
import org.math.plot.*;
 
public class LinePlotExample {
        public static void main(String[] args) {
 
                // define your data
                double[] x = { 1, 2, 3, 4, 5, 6 };
                double[] y = { 45, 89, 6, 32, 63, 12 };
 
                // create your PlotPanel (you can use it as a JPanel)
                Plot2DPanel plot = new Plot2DPanel();
 
                // define the legend position
                plot.addLegend("SOUTH");
 
                // add a line plot to the PlotPanel
                plot.addLinePlot("my plot", x, y);
 
                // put the PlotPanel in a JFrame like a JPanel
                JFrame frame = new JFrame("a plot panel");
                frame.setSize(600, 600);
                frame.setContentPane(plot);
                frame.setVisible(true);
 
        }
}


```