ArrayDeque class Methods in Java Part -II

java.util.ArrayDeque<E>

Resizable-array implementation of the Deque

interface. Array deques have no capacity restrictions; they grow as necessary to support usage. 

Some methods of ArrayDeque.

ArrayDeque.peek(): This method retrieves but does not remove, the head of the queue represented by this deque, or returns null if this deque is empty.

ArrayDeque.peekFirst(): This method retrieves but does not remove, the first element of this deque, or returns null if this deque is empty.

ArrayDeque.peekLast(): This method retrieves but does not remove, the last element of this deque, or returns null if this deque is empty.

ArrayDeque.poll(): This method retrieves and removes the head of the queue represented by this deque.

ArrayDeque.pollFirst(): This method retrieves and removes the first element of this deque, or returns null if this deque is empty.

ArrayDeque.pollLast(): This method retrieves and removes the last element of this deque, or returns null if this deque is empty.

ArrayDeque.pop(): This method pops an element from the stack represented by this deque.

ArrayDeque.push(E): This method pushes an element onto the stack represented by this deque.

ArrayDeque.remove(): This method retrieves and removes the head of the queue represented by this deque.

ArrayDeque.remove(Object): This method removes a single instance of the specified element from this deque.

ArrayDeque.removeAll(Collection): This method removes all of this collection's elements that are also contained in the specified collection.

ArrayDeque.removeFirst(): This method retrieves and removes the first element of this deque.

ArrayDeque.removeFirstOccurrence(Object): This method removes the first occurrence of the specified element in this deque.

ArrayDeque.removeIf(Predicate): This method removes all of the elements of this collection that satisfy the given predicate.

ArrayDeque.removeLast(): This method retrieves and removes the last element of this deque.

ArrayDeque.removeLastOccurrence(Object): This method removes the last occurrence of the specified element in this deque.

ArrayDeque.retainAll(Collection):  This method retains only the elements in this collection that are contained in the specified collection.

ArrayDeque.size(): This method returns the number of elements in this deque.

ArrayDeque.spliterator(): This method creates a late-binding and fail-fast Spliterator over the elements in this deque.

Stream(): This method returns a sequential Stream with this collection as its source.

ArrayDeque.toArray(): This method returns an array containing all of the elements in this deque in proper sequence.

ArrayDeque.toArray(E[]): This method returns an array containing all of the elements in this deque in proper sequence.

ArrayDeque toString(): This method returns a string representation of this collection.

Some more Methods of ArrayDeque class