java-DelayQueue Archives

Last Updated: 11 July 2025

In Java, the DelayQueue Class is the part of the java.util.concurrent package and implements the BlockingQueue interface. DelayQueue is a specialized implementation of a b...read more

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DelayQueue size() method in Java with Examples

Last Updated: 06 July 2021

The size() method of DelayQueue class in Java is used to return the number of elements present in the given queue. If the number of elements is greater than Integer.MAX_VA...read more

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java-DelayQueue

DelayQueue remove() method in Java

Last Updated: 23 December 2018

The remove() method of DelayQueue class in Java is used to remove a single instance of the given object say obj from this DelayQueue if it is present. It returns true if t...read more

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java-DelayQueue

DelayQueue clear() method in Java

Last Updated: 14 April 2022

The clear() method of DelayQueue in Java is used to remove all of the elements in the current DelayQueue object. The queue will be empty after this call is returned. The e...read more

Java

Java - util package

java-DelayQueue

DelayQueue add() method in Java with Examples

Last Updated: 14 January 2022

The add(E ele) method of DelayQueue class in Java is used to insert the given element into the delay queue and returns true if the element has been successfully inserted. ...read more

Java

Java - util package

java-DelayQueue

DelayQueue put() method in Java with Examples

Last Updated: 11 August 2021

The put(E ele) method of DelayQueue class in Java is used to inserts a given element into the delay queue container. Hetre, E is the type of element maintained by this Del...read more

Java

Java - util package

java-DelayQueue

DelayQueue poll() method in Java with Examples

Last Updated: 11 July 2025

The poll() method of DelayQueue is used to retrieve head of the DelayQueue. This method also removes the head from the DelayQueue. Thus when poll method is called, DelayQu...read more

DelayQueue peek() method in Java with Examples

Last Updated: 11 July 2025

The peek() method of DelayQueue is used to retrieve head of the DelayQueue, but does not remove it, as in case of poll() method where head is removed from the DelayQueue.S...read more

DelayQueue offer() method in Java with Examples

Last Updated: 11 July 2025

The offer() method of DelayQueue is used to insert specified element in the delay queue. It acts similar to add() method of DelayQueue.Syntax:public boolean offer (E e)Par...read more

DelayQueue iterator() method in Java with Examples

Last Updated: 11 July 2025

The iterator() method of DelayQueue is used to return an iterator over all the elements in the DelayQueue. These elements can be expired or unexpired.Syntax:public Iterato...read more

DelayQueue toArray() method in Java with Examples

Last Updated: 11 July 2025

The toArray() method of DelayQueue is used to return an array containing all the elements in DelayQueue. There elements are not in any specific order in the array.Syntax:p...read more

DelayQueue take() method in Java with Examples

Last Updated: 11 July 2025

The take() method of DelayQueue is used to retrieve head of the DelayQueue and also removes it. Thus, the size of the DelayQueue is reduced. This function waits if an elem...read more

DelayQueue remainingCapacity() method in Java with Examples

Last Updated: 11 July 2025

The remainingCapacity() method of DelayQueue always returns Integer.MAX_VALUE because a DelayQueue is not capacity constrained. That means, irrespective of the size of the...read more

DelayQueue drainTo() method in Java with Examples

Last Updated: 11 July 2025

The drainTo(CollectionE c) method of DelayQueue removes all available elements from this DelayQueue and adds them to the given collection passed as a parameter. This metho...read more

Java Program to Implement DelayQueue API

Last Updated: 21 November 2022

The DelayQueue class belongs to java.util.concurrent package. DelayQueue implements the BlockingQueue interface. DelayQueue is a specialized Priority Queue that orders ele...read more

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