/** * File: queue.cs * Created Time: 2022-12-23 * Author: haptear (haptear@hotmail.com) */ namespace hello_algo.chapter_stack_and_queue; public class queue { [Test] public void Test() { /* Initialize the queue */ Queue queue = new(); /* Enqueue elements */ queue.Enqueue(1); queue.Enqueue(3); queue.Enqueue(2); queue.Enqueue(5); queue.Enqueue(4); Console.WriteLine("Queue queue = " + string.Join(",", queue)); /* Access the front element */ int peek = queue.Peek(); Console.WriteLine("Front element peek = " + peek); /* Dequeue an element */ int pop = queue.Dequeue(); Console.WriteLine("Dequeued element pop = " + pop + ", after dequeuing, queue = " + string.Join(",", queue)); /* Get the queue size */ int size = queue.Count; Console.WriteLine("Queue size = " + size); /* Check whether the queue is empty */ bool isEmpty = queue.Count == 0; Console.WriteLine("Is the queue empty = " + isEmpty); } }