Queue (Data Structure)
A queue is a linear data structure that follows the First In, First Out principle, where elements are added at the rear and removed from the front.
April 9, 2026·2 ደቂቃ ንባብ·Abenezer Regasa
Queue (Data Structure)
A queue is a linear data structure that follows the First In, First Out principle.
This means the first element added is the first one to be removed.
Think of it like people standing in a line.
The first person in line is the first to be served.
Basic operations:
- Enqueue: add an element to the rear
- Dequeue: remove the element from the front
- Peek: view the front element without removing it
Where queues are used:
- Task scheduling
- Print queues
- Breadth-first search in graphs
- Handling requests in systems
It is a simple concept, but very useful in real-world applications.
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