22.21 Queues
Queues
Overview
A Queue is a FIFO (First In, First Out) data structure where elements are added at the back and removed from the front.
Topics
- Enqueue and Dequeue Operations
- Queue Implementation Using Java's Queue Interface
Examples
import java.util.LinkedList;
import java.util.Queue;
Queue<Integer> queue = new LinkedList<>();
queue.add(1);
queue.add(2);
queue.add(3);
System.out.println("Dequeued: " + queue.poll());
System.out.println("Front: " + queue.peek());