public class ColumnOfBoxes extends Panel
{
  public Insets getInsets() {
    return new Insets(100, 0, 100, 0);
  }

  ColumnOfBoxes(Color c, int n) {
    setLayout(new GridLayout(0, 1, 2, 2));
    for(int i = 0; i < n; i++)
      add(new Box(c));
  }
}