The Queue.GetEnumerator() method in C# is used to return an enumerator that iterates through the Queue.
Syntax
The syntax is as follows:
public virtual System.Collections.IEnumerator GetEnumerator ();
Example
Let us now see an example −
using System;
using System.Collections;
public class Demo {
public static void Main(){
Queue queue = new Queue();
queue.Enqueue(100);
queue.Enqueue(200);
queue.Enqueue(300);
queue.Enqueue(400);
Console.WriteLine("Queue1...");
IEnumerator demoEnum = queue.GetEnumerator();
while (demoEnum.MoveNext()){
Console.WriteLine(demoEnum.Current);
}
Queue queue2 = new Queue();
queue2.Enqueue(100);
queue2.Enqueue(150);
queue2.Enqueue(300);
queue2.Enqueue(400);
Console.WriteLine("\nQueue2...");
demoEnum = queue2.GetEnumerator();
while (demoEnum.MoveNext()){
Console.WriteLine(demoEnum.Current);
}
Console.WriteLine(queue.Equals(queue2));
}
}Output
This will produce the following output −
Queue1... 100 200 300 400 Queue2... 100 150 300 400 False
Example
Let us now see another example −
using System;
using System.Collections;
public class Demo {
public static void Main(){
Queue queue = new Queue();
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...");
IEnumerator demoEnum = queue.GetEnumerator();
while (demoEnum.MoveNext()){
Console.WriteLine(demoEnum.Current);
}
}
}Output
This will produce the following output −
Queue... 100 200 300 400 500 600 700 800 900 1000