1/7/2024 0 Comments Enqueue and dequeue in javaIn order to delete the element from the front in deque pop_front() is used, whereas to delete the element from the back, pop_back() is used, whereas in Queue, things are quite simpler as the insertion of elements takes place only from the rear end so push(x) operation is used and the removal of elements takes place from the front of the Queue, so pop() operation does it automatically. To insert the element from the back, the push_back(x) operation is used. To insert the element from the front, the push_front(x) operation is used. As the elements can be inserted and deleted from both the ends in the Dequeue, so the operations for both are provided.Deque is a container template in which the requirements of the sequence can be satisfied using the random-access iterators, whereas Queue is an adaptor and not the container and provides a different and more specific interface to the user.Programmer can easily access the elements of the Deque using the Iterators, whereas it is not possible in the case of Queue as the programmer can access only the first and last element.As the Deque allows the insertion and deletion of elements from both ends, it is basically more efficient than the Queue and allows the efficient usage of resources.In contrast, Queue is a data structure where the insertion and deletion of elements take place only from the rear and front end, respectively. Still, the insertion and deletion of elements take place from both the ends. As the name indicates, Deque is a double-ended queue that is the implementation of the simple Queue.Let us discuss some of the major key differences between Deque vs Queue: Web development, programming languages, Software testing & others Head to Head Comparison Between Deque vs Queue (Infographics)īelow are the top 8 differences between Deque vs Queue: Start Your Free Software Development Course
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