Queue CLASS

A queue only allows data access based on first-in-first-out (FIFO) order. Similar to List, it's self-scalable.

Parent Class

• Object

Parent Interfaces

• System.Collection.Container

All Members

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Type	Name	Signature
constructor	Queue	public Queue()
method	dequeue	public var dequeue()
method	enqueue	public void enqueue(var)
method	size	public int size()

Constructors

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public Queue()

Create a new queue.

Methods

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public var dequeue()

Remove an element from the head of queue.

Returns

• The element to remove; null if the queue is empty. It cannot differentiate between empty queue and null element.

public void enqueue(var ele)

Add a new element to the tail of queue.

Parameters

• ele The new element to add. Can be null.

public int size()

Get the current size of the queue.

Returns

• The size of queue.