/** * {@inheritDoc} * * @see java.util.NavigableSet#lower(java.lang.Object) * @since 1.6 */ public E lower(E e) { return backingMap.lowerKey(e); }
/** * @throws ClassCastException {@inheritDoc} * @throws NullPointerException if the specified element is null and this set uses natural * ordering, or its comparator does not permit null elements * @since 1.6 */ public E lower(E e) { return m.lowerKey(e); }