new JQPlot("chart1", new ListModel<NumberSeries<Double, Double>>(Arrays.asList(l1, l2,
l3, l4)));
PlotOptions chart1O = chart1.getOptions();
chart1O.setTitle("Line Style Options");
PlotSeries chart1series1 = chart1O.addNewSeries();
chart1series1.setLineWidth(2d);
chart1series1.getMarkerOptions().setStyle(PlotMarkerStyle.diamond);
PlotSeries chart1series2 = chart1O.addNewSeries();
chart1series2.setShowLine(false);
chart1series2.getMarkerOptions().setSize(7d).setStyle(PlotMarkerStyle.diamond);
PlotSeries chart1series3 = chart1O.addNewSeries();
chart1series3.getMarkerOptions().setStyle(PlotMarkerStyle.circle);
PlotSeries chart1series4 = chart1O.addNewSeries();
chart1series4.setLineWidth(5d);
chart1series4.getMarkerOptions().setSize(14d).setStyle(PlotMarkerStyle.filledSquare);
add(chart1);
}