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• Enqueue dequeue code#

If type T is a reference type, null can be added to the Queue as a value. Enqueue means to add an element, dequeue to remove an element. Console.Write( Queue values: ) PrintValues( myQ ) // Views the first element in the Queue but does not remove it.

You can add new elements on one side, and remove elements from the other side (as opposed to a stack that has only one side). This method is similar to the Peek method, but Peek does not modify the Queue. A queue is a certain 2-sided data structure. 'Contents of the second copy, with duplicates and nulls:

Enqueue dequeue code#

' This code example produces the following output: numbers.Enqueue 'one' numbers.Enqueue 'two' numbers.Enqueue 'three' numbers.Enqueue 'four' numbers. A queue can be enumerated without disturbing its contents.Ĭonsole.WriteLine("\nDequeuing '", _ The Contains method is used to show that the string "four" is in the first copy of the queue, after which the Clear method clears the copy and the Count property shows that the queue is empty. The Queue constructor is used again to create a second copy of the queue containing three null elements at the beginning. The elements of the copy are displayed.Īn array twice the size of the queue is created, and the CopyTo method is used to copy the array elements beginning at the middle of the array. The ToArray method is used to create an array and copy the queue elements to it, then the array is passed to the Queue constructor that takes IEnumerable, creating a copy of the queue. The Peek method is used to look at the next item in the queue, and then the Dequeue method is used to dequeue it. The Dequeue method is used to dequeue the first string. x) to x, so the last entry in the queue points back to itself. You have to use these function module in your program. Your enqueue () method is wrong, when you call it on a empty queue it sets first and last to x and then last.next (i.e.

To remove the object is being queued through above FM.

Signed-off-by: Hemant Agrawal <> -. Hi Suresh, When you create a lock object System automatically creat two function module.

creating a crypto protocol descriptor for session - first time. The elements of the queue are enumerated, which does not change the state of the queue. dequeue operation from the caam jr ring in poll mode 4. The code example creates a queue of strings with default capacity and uses the Enqueue method to queue five strings. The following code example demonstrates several methods of the Queue generic class, including the Dequeue method.