package jfreechart_demo; import org.jfree.chart.*; import org.jfree.chart.plot.*; public class LineChart3DDemo1 extends ChartCreator { public JFreeChart createChart() { JFreeChart chart = ChartFactory.createLineChart3D( getName(), "Category", "USD", DatasetCreator.createDefaultCategoryDataset(), PlotOrientation.VERTICAL, true, false, false); return chart; } }