When should I use a queue instead of a stack?

When should I use a queue instead of a stack?

You should use a queue when you need to process items in the order they were added (FIFO). A stack is better for LIFO operations.

Can you give me an example of a real-world scenario for each?

Sure! A queue is like a line at a ticket counter, where the first person in line is the first to be served. A stack is like a stack of plates, where you take the top plate first.

What are the main differences in their operations?

Queues typically support operations like enqueue (add) and dequeue (remove), while stacks support push (add) and pop (remove).

Are there any performance differences between them?

In terms of performance, both can be implemented efficiently, but the choice depends on the specific use case and data structure used.