import com.imsl.chart.*; public class SampleGrid extends JFrameChart { public SampleGrid() { Chart chart = getChart(); AxisXY axis = new AxisXY(chart); axis.getAxisX().getGrid().setPaint(true); axis.getAxisY().getGrid().setPaint(true); axis.getAxisX().getGrid().setLineColor("lightgray"); axis.getAxisY().getGrid().setLineColor("pink"); double y[] = {4, 6, 2, 1, 8}; Data data = new Data(axis, y); data.setDataType(Data.DATA_TYPE_LINE); data.setLineColor("blue"); } public static void main(String argv[]) { new SampleGrid().setVisible(true); } }