These methods allow you to manipulate and query a Deque efficiently for various use cases. Dequeue - Tutorial to learn Dequeue (Double Ended Queue) in simple, easy and step by step way with syntax, examples and notes. ![]() If it's empty, return true otherwise, return false. PeekFront: This method returns the first element of the Deque, similar to the stack's peek method.The following algorithm describes the dequeue() operation in a. PeekBack: This method returns the last element of the Deque, similar to the queue's front method. The dequeue() is a data manipulation operation that is used to remove elements from the stack. ![]()
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