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Java Deque contains() Method The contains() method of Java Deque Interface returns true if the deque contains the specified element. Specified by:…

Java Deque push() Method The push() method of Deque interface is used to push an element on the stack represented by the…

Java Deque descendingIterator() Method The descendingIterator() method of Java Deque Interface returns an iterator for the elements in the specified deque in…

Java Deque remove() Method The remove() method of Java Deque interface is used to retrieve and remove the head of the deque.…

Java Deque element() Method The element() method of Java Deque Interface retrieves but not remove the head of the queue which is…

Java Deque removeFirst() Method The removeFirst() method of Deque interface is used to retrieve and removes the first element of the given…

Java Deque getFirst() Method The getFirst() method of Java Deque Interface retrieves but does not remove the first element of the given…

Java Deque removeFirstOccurrence() Method The removeFirstOccurrence() method of Deque interface is used to remove the first occurrence of the given element from…

Java Deque getLast() Method The getLast() method of Java Deque Interface retrieves but not remove the last element of the deque. The…

Java Deque removeLast() Method The removeLast() method of Java Deque interface is used to retrieve and removes the last element of the…