What is the difference between stack and queue?
An example of an AI chatbot conversation about the differences between stack and queue data structures.
Can you explain the difference between a stack and a queue?
Sure! A stack is a data structure that follows the Last In First Out (LIFO) principle, while a queue follows the First In First Out (FIFO) principle.
Can you give me an example of how each one works?
Of course! In a stack, think of a stack of plates where you can only add or remove the top plate. In a queue, imagine a line of people waiting; the first person in line is the first to be served.
What are some real-world applications of stacks and queues?
Stacks are used in function calls and undo mechanisms in software, while queues are used in scheduling tasks and managing requests in servers.
How do I implement a stack or a queue in programming?
You can implement a stack using an array or linked list, and a queue can also be implemented using an array or linked list, often with two pointers for efficiency.
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