npublic interface Queue<E> extends Collection<E> {
n boolean add( E e );
// throws exception if the operation fails
n boolean offer( E e );
// returns a special value (null or false)
n
n E remove(); // throws
exception
n E poll(); // returns a
special value (null or false)
n
n E element(); // throws
exception
n E peek(); // returns a
special value (null or false)
n}
n
nBounded Queues – restringem o numero de elementos da Queue. Ocorrem em java.util.concurrent