java swing border, using 2 or more colors

Question

Hi im trying to create a border that has top and left as black and bottom and right as grey. does anyone know if this is possible and how?

Answer 1

new CompoundBorder(
    BorderFactory.createMatteBorder(1, 1, 0, 0, Color.BLACK),
    BorderFactory.createMatteBorder(0, 0, 1, 1, Color.GRAY)));