public void setScrollbars(Scrollbar vertical, Scrollbar horizontal) {
public void setScrollbars(JScrollBar vertical, JScrollBar horizontal) {
    public void setScrollbars(Scrollbar vertical, Scrollbar horizontal) {        vScrollbar = vertical;        hScrollbar = horizontal;        // When the scroll bars are adjusted, update our offset.        vScrollbar.addAdjustmentListener(this);        hScrollbar.addAdjustmentListener(this);    }