Java ArrayBlockingQueue put() Method7 Jan 2025 | 2 min read The put() method of ArrayBlockingQueue adds the defined element at the tail of this queue. It waits till the space becomes available if queue is full. Syntax:Parameters:e - This is the element to be added. Specified By:The put() method of ArrayBlockingQueue class is specified by put() method in interface BlockingQueue Throws:The put() method throws:
Example 1Output: Elements in queue : [67, 109, 76, 876, 2] Example 2Output: Error:(9, 18) java: unreported exception java.lang.InterruptedException; must be caught or declared to be thrown Error:(10, 18) java: unreported exception java.lang.InterruptedException; must be caught or declared to be thrown Error:(11, 18) java: unreported exception java.lang.InterruptedException; must be caught or declared to be thrown Error:(12, 18) java: unreported exception java.lang.InterruptedException; must be caught or declared to be thrown Either we should add exception to method signature or we should surround the put() method with try catch, else it will give above described error. Example 3Output: Exception in thread "main" java.lang.NullPointerException at java.util.concurrent.ArrayBlockingQueue.checkNotNull(ArrayBlockingQueue.java:150) at java.util.concurrent.ArrayBlockingQueue.put(ArrayBlockingQueue.java:348) at com.javaTpoint.ArrayBlockingQueuePutExample2.main(ArrayBlockingQueuePutExample2.java:13) If the specified element is null, it will give null pointer exception as shown above. Next TopicJava-arrayblockingqueue-removeall-method |
The poll() method of ArrayBlockingQueue class retrieves the head of this queue awaiting till the specified time if essential for an element to be available, and also removes it. The method returns null if this queue is empty. Syntax: 1.public E poll() 2.public E poll(long timeout,TimeUnit unit)throws InterruptedException Parameters: NA timeout...
3 min read
The removeIf() method of Java ArrayBlockingQueue class removes the elements of the ArrayBlockingQueue that satisfies the given predicate filter. Syntax: public boolean removeIf(Predicate<? Super E> filter) Parameters: The parameter filter is a predicate which returns true for the elements to be removed. Specified By: The removeIf() method of ArrayBlockingQueue class is...
3 min read
The toString() method of Java ArrayBlockingQueue returns a string representation of this collection. Syntax: public String toString() Parameters: NA Overrides toString in class AbstractionCollection<E> Return Value: The toString() method returns a string representation of this collection. Example 1 import java.util.concurrent.ArrayBlockingQueue; import java.util.concurrent.BlockingQueue; public class ArrayBlockingQueueToStringExample1 { public static void main(String[] args) { ...
2 min read
The remove() method of ArrayBlockingQueue class removes the specified element from the queue, if that element is present in the queue. Syntax: public boolean remove(Object o) Parameters: The parameter 'o' is passed which is removed from the queue, if the element is present. Specified By: The remove () method of ArrayBlockingQueue...
3 min read
The clear() method of ArrayBlockingQueue class automatically withdraws all the elements from this priority queue. After calling this method, the queue will be empty. Syntax: public void clear() Parameters: NA Specified By: The clear() method of class ArrayBlockingQueue is specified by clear() method in interface Collection. Override: The clear() method of class ArrayBlockingQueue overrides...
2 min read
The add() method of ArrayBlockingQueue() appends the defined element at the tail end of the queue if the queue's capacity allows it. The method returns true on successful insertion and throws an IllegalStateException if queue doesn't has enough capacity. Syntax: public boolean add(E e) Parameters: e - This is the...
4 min read
The forEach() method of Java ArrayBlockingQueue class executes the specified action for each element of Iterable till all the elements are processed or the action throws an exception. Syntax: public void forEach(Consumer<? super E> action) Parameters: action - This is the action to be performed for every element. Specified By: The...
4 min read
The contains() method of Java ArrayBlockingQueue() class returns true if the defined element is present in this queue. Syntax: public boolean contains(Object o) Parameters: o - This is the object that is to be checked for occurrence in this queue. Specified By: The contains() method of ArrayBlockingQueue class is specified by: contains()...
2 min read
The peek() method of Java ArrayBlockingQueue class retrieves the head of this queue, but doesn't remove it. The method returns null if this queue is empty. Syntax: public E peek() Parameters: NA Specified By: The peek() method of ArrayBlockingQueue class is specified by peek() method in interface Queue. Return Value: The peek() method...
3 min read
The Spliterator() method of Java ArrayBlockingQueue class returns a Spliterator over the elements in this ArrayBlockingQueue. Syntax: public Spliterator<E> spliterator() Parameters: NA Specified By: The Spliterator () method of ArrayBlockingQueue class is specified by: Spliterator in interface Collection<E>. Spliterator in interface Iterable<E> Return Value: The Spliterator () method returns a Spliterator over the elements in...
4 min read
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