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Queue.Count Property in C#
The Queue.Count property in C# is used to get the number of elements contained in the Queue.
Syntax
The syntax is as follows −
public virtual int Count { get; }Example
Let us now see an example −
using System;
using System.Collections.Generic;
public class Demo {
public static void Main() {
Queue<int> queue = new Queue<int>();
queue.Enqueue(100);
queue.Enqueue(200);
queue.Enqueue(300);
queue.Enqueue(400);
queue.Enqueue(500);
queue.Enqueue(600);
queue.Enqueue(700);
queue.Enqueue(800);
queue.Enqueue(900);
queue.Enqueue(1000);
Console.WriteLine("Queue...");
foreach(int i in queue) {
Console.WriteLine(i);
}
Console.WriteLine("Count of elements in the Queue = "+queue.Count);
queue.Clear();
Console.WriteLine("Count of elements in the Queue [Updated] = "+queue.Count);
}
}Output
This will produce the following output −
Queue... 100 200 300 400 500 600 700 800 900 1000 Count of elements in the Queue = 10 Count of elements in the Queue [Updated] = 0
Example
Let us now see another example −
using System;
using System.Collections.Generic;
public class Demo {
public static void Main() {
Queue<int> queue = new Queue<int>();
queue.Enqueue(100);
queue.Enqueue(200);
queue.Enqueue(300);
Console.WriteLine("Queue...");
foreach(int i in queue) {
Console.WriteLine(i);
}
Console.WriteLine("Count of elements in the Queue = "+queue.Count);
queue.Enqueue(800);
queue.Enqueue(900);
queue.Enqueue(1000);
Console.WriteLine("Count of elements in the Queue [Updated] = "+queue.Count);
queue.Clear();
Console.WriteLine("Count of elements in the Queue [Updated] = "+queue.Count);
}
}Output
This will produce the following output −
Queue... 100 200 300 Count of elements in the Queue = 3 Count of elements in the Queue [Updated] = 6 Count of elements in the Queue [Updated] = 0
Updated on: 04-Dec-2019
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