Someone

	public boolean hasNext() {
		if (endIndex >= 0) {
			if (index < endIndex)
				if (index >= 0)
					return true;
		}
		else {
			if (index < this.getSize())
				if (index >= 0)
					return true;
		}
		
		return false;
	
		//(boolsk uttrykk) ? hvisJa : hvisNei;
		
		//return index<(endIndex >=0 ? endIndex : this.getSize()) && index>=0;
	}
	
	public final T next() {
		if(!hasNext()){
			throw new java.util.NoSuchElementException();
		}
		lastElementReturned = getElement(index);
		index += step;
		return lastElementReturned;
	}