Java Collections Demystified: How to Use Deque for Efficient Data Storage and Retrieval

Create an instance of a Deque implementation, like ArrayDeque.
Use the addFirst() and addLast() methods to add elements to the front and rear of the deque.
Use the removeFirst() and removeLast() methods to remove elements from the front and rear of the deque.

In this example, we create a Deque of String objects, add elements to the front and rear, and remove elements from the front and rear.