final ChartModel model = ChartModel.New()
	.addColumn(Column.New(Column.Type.STRING, "topic", "topic"))
	.addColumn(Column.New(Column.Type.STRING, "task", "task"))
	.addColumn(Column.New(Column.Type.DATE, "startDate", "startDate"))
	.addColumn(Column.New(Column.Type.DATE, "endDate", "endDate"))
	.addColumn(Column.New(Column.Type.NUMBER, "duration", "duration"))
	.addColumn(Column.New(Column.Type.NUMBER, "percentcomplete", "percentcomplete"))
	.addColumn(Column.New(Column.Type.STRING, "dependencies", "dependencies"));

model.addRow("Research", "Find sources",
	LocalDate.of(2015, 1, 1), LocalDate.of(2015, 1, 5), null, 100, null);
model.addRow("Write", "Write paper",
	null, LocalDate.of(2015, 1, 9), Duration.ofDays(3).toMillis(), 25, "Research,Outline");
model.addRow("Cite", "Create bibliography",
	null, LocalDate.of(2015, 1, 7), Duration.ofDays(1).toMillis(), 20, "Research");
model.addRow("Complete", "Hand in paper",
	null, LocalDate.of(2015, 1, 10), Duration.ofDays(1).toMillis(), 0, "Cite,Write");
model.addRow("Outline", "Outline paper",
	null, LocalDate.of(2015, 1, 6), Duration.ofDays(1).toMillis(), 100, "Research");

this.ganttChart.setModel(model);

final Arrow arrow = Arrow.Builder()
	.angle(1) //The angle of the head of the arrow.
	.color("blue") //The color of the arrows.
	.length(4) //The length of the head of the arrow.
	.width(3) //The width of the arrows.
	.radius(0) //The radius for defining the curve of the arrow between two tasks.
	.spaceAfter(3) //The amount of whitespace between the head of an arrow and the task to which it points.
	.build();

final Gantt gantt = Gantt.Builder()
	.arrow(arrow)
	.barCornerRadius(0) //The radius for defining the curve of a bar's corners.
	.barHeight(15) //The height of the bars for tasks.
 	.criticalPathEnabled(true) //If true any arrows on the critical path will be styled differently.
    .criticalPathStyle(LineStyle.New("red", 3)) //An object containing the style for any critical path arrows.
	.defaultStartDate(DateValue.Date(LocalDate.now())) //If the start date cannot be computed from the values in the DataTable, the start date will be set to this.
	.innerGridDarkTrack(BarStyle.New("white")) //The fill color of the inner grid track.
	.innerGridHorizLine(LineStyle.New("black", 3)) //Defines the style of the inner horizontal grid lines.
	.innerGridTrack(BarStyle.New("gray")) //The fill color of the inner grid track.
	.labelStyle(TextStyle.New("black", "Arial", 12)) //An object containing the styles for task labels.
	.labelMaxWidth(20) //The maximum amount of space allowed for each task label.
	.percentEnabled(true) //Fills the task bar based on the percentage completed for the task.
	.shadowColor("blue") //Defines the color of the shadows under any task bar which has dependencies.
	.shadowEnabled(true) //If set to true, draws a shadow under each task bar which has dependencies.
	.shadowOffset(4) //Defines the offset, in pixels, of the shadows under any task bar which has dependencies.
	.trackHeight(40) //The height of the tracks.
.build();

this.ganttChart.setGantt(gantt);