question: set the vertical gap . an exception is not thrown if vgap < 0 . concode_field_sep long serialVersionUID concode_elem_sep int vgap concode_elem_sep int rows concode_elem_sep int cols concode_elem_sep int hgap concode_field_sep Dimension preferredLayoutSize concode_elem_sep void setColumns concode_elem_sep void removeLayoutComponent concode_elem_sep int getHgap concode_elem_sep int getRows concode_elem_sep int getColumns concode_elem_sep int getVgap concode_elem_sep Dimension getSize concode_elem_sep void setRows concode_elem_sep Dimension minimumLayoutSize concode_elem_sep void layoutContainer concode_elem_sep void addLayoutComponent concode_elem_sep String toString concode_elem_sep void setHgap
target: void function ( int arg0 ) { this . vgap = arg0 ; }