public void setPageIncrement(int pageIncrement) { setBlockIncrement(pageIncrement);
setPageIncrement(int pageIncrement) { if (pageIncrement < 0) throw new IllegalArgumentException ("Block increment less than zero.");  int range = maximum - minimum; if (pageIncrement > range) { if (range == 0) pageIncrement = 1; else pageIncrement = range;
	public void setPageIncrement(int pageIncrement) {		setBlockIncrement(pageIncrement);	}