@Override
	public void clear(int from, int to) {
		if (from > to)
			throw new IndexOutOfBoundsException("from: " + from + " > to: " + to);
		for (int e = from; e <= to; e++)
			remove(e);
	}
@ Override public void clear ( int from , int to ) { if ( from > to ) throw new IndexOutOfBoundsException ( "from: " + from + " > to: " + to ) ; for ( int e = from ; e <= to ; e ++ ) remove ( e ) ; }
{@inheritDoc}