/**
  * Sets the unit increment for this scroll bar.
  *
  * <p>The unit increment is the value that is added or subtracted when the user activates the unit
  * increment area of the scroll bar, generally through a mouse or keyboard gesture that the scroll
  * bar receives as an adjustment event. The unit increment must be greater than zero. Attepts to
  * set the unit increment to a value lower than 1 will result in a value of 1 being set.
  *
  * @param v the amount by which to increment or decrement the scroll bar's value
  * @see java.awt.Scrollbar#getUnitIncrement
  * @since JDK1.1
  */
 public void setUnitIncrement(int v) {
   setLineIncrement(v);
 }