question: @ Override public AxisState draw ( Graphics2D g2 , double cursor , Rectangle2D plotArea , Rectangle2D dataArea , RectangleEdge edge , PlotRenderingInfo plotState ) { if ( ! isVisible ( ) ) { return new AxisState ( cursor ) ; } if ( isAxisLineVisible ( ) ) { drawAxisLine ( g2 , cursor , dataArea , edge ) ; } AxisState state = new AxisState ( cursor ) ; state = drawSubCategoryLabels ( g2 , plotArea , dataArea , edge , state , plotState ) ; state = drawCategoryLabels ( g2 , plotArea , dataArea , edge , state , plotState ) ; if ( getAttributedLabel ( ) != null ) { state = drawAttributedLabel ( getAttributedLabel ( ) , g2 , plotArea , dataArea , edge , state ) ; } else { state = drawLabel ( getLabel ( ) , g2 , plotArea , dataArea , edge , state ) ; } return state ; }
target:  Draws the axis on a Java 2D graphics device (such as the screen or a printer).