juniorQueues
What is a Circular Queue?
Updated Apr 28, 2026
Short answer
A queue where the last position is connected back to the first position to make a circle.
Deep explanation
Queues are fundamental in managing sequential tasks. A queue where the last position is connected back to the first position to make a circle. They ensure fairness and order by processing items as they arrive.
Real-world example
Printer job management.
Common mistakes
- Popping from the end of an array instead of the front (behaving like a stack).
Follow-up questions
- What is FIFO?