Method Detail

• <T> public Queue<T> asChecked(Class<T> type)

  Creates a checked view of a Queue.

  See Also:

  Collections.checkedQueue

  Since:

  5.0.0

• <T> public List<T> drain()

  Drain the queue of elements, returning them as a list.

  
   def letters = new PriorityQueue(String.CASE_INSENSITIVE_ORDER)
   letters.addAll(['Z', 'y', 'X', 'a', 'B', 'c'])
   assert letters.toList() == ['a', 'B', 'c', 'Z', 'X', 'y']
   assert letters.drain() == ['a', 'B', 'c', 'X', 'y', 'Z']
   assert letters.empty
   

  Returns:

  a List of elements removed from the head of the queue

  Since:

  5.0.0