Queue Data Structure Visualization
First In, First Out (FIFO) - Elements are added at the rear and removed from the front
Queue Structure
Queue is empty. Use Enqueue to add elements!
Enqueue
Add element to the rear
Dequeue
Remove element from front
Peek
View front element
FIFO
First In, First Out
Queue Properties
Size: 0
Front: null
Is Empty: Yes
Principle: FIFO
Time Complexities
Enqueue: O(1)
Dequeue: O(1)
Peek: O(1)
Space: O(n)
Real-world Applications
🖨️ Print Queue
Managing print jobs in order
🌐 Web Server
Handling HTTP requests
📞 Call Center
Managing incoming calls
🔄 BFS Algorithm
Breadth-First Search