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Java Deque pollFirst() Method The pollFirst() method of Java Deque Interface is used to retrieve and remove the first element of the…

Java Deque addFirst() Method The addFirst() method of Java Deque Interface is used to insert the specified element at the front of…

Java Deque pollLast() Method The pollLast() method of Java Deque Interface is used to retrieve and remove the last element of the…

Java Deque addLast() Method The addLast() method of Java Deque Interface is used to insert the specified element at the end of…

Java Deque pop() Method The pop() method of Java Deque interface is used to pop an element from the given stack represented…

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…