juniorQueues
What is a Priority Queue?
Updated Apr 28, 2026
Short answer
A special type of queue where each element has a priority, and elements with higher priority are served first.
Deep explanation
Queues are fundamental in managing sequential tasks. A special type of queue where each element has a priority, and elements with higher priority are served first. 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?