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Java Collections - ArrayBlockingQueue.add() Examples

Java Collections Java Java API 

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Class:

java.util.concurrent.ArrayBlockingQueue

java.lang.Objectjava.lang.Objectjava.util.AbstractCollectionjava.util.AbstractCollectionjava.util.CollectionCollectionjava.util.AbstractQueuejava.util.AbstractQueuejava.util.QueueQueuejava.util.concurrent.ArrayBlockingQueuejava.util.concurrent.ArrayBlockingQueuejava.util.concurrent.BlockingQueueBlockingQueuejava.io.SerializableSerializableLogicBig

Method:

public boolean add(E e)

Inserts the specified element at the tail of this queue if it is possible to do so immediately without exceeding the queue's capacity, returning true upon success and throwing an IllegalStateException if this queue is full.


Examples


package com.logicbig.example.arrayblockingqueue;

import java.util.concurrent.ArrayBlockingQueue;

public class AddExample {
    public static void main(String... args) {
        ArrayBlockingQueue<Integer> q = new ArrayBlockingQueue<>(3);
        q.add(1);
        q.add(2);
        q.add(3);
        System.out.println(q);
    }
}

Output

[1, 2, 3]




package com.logicbig.example.arrayblockingqueue;

import java.util.concurrent.ArrayBlockingQueue;

public class AddExample2 {

    public static void main(String... args) {
        ArrayBlockingQueue<Integer> q = new ArrayBlockingQueue<>(1);
        q.add(1);
        q.add(2);
    }
}

Output

Caused by: java.lang.IllegalStateException: Queue full
	at java.base/java.util.AbstractQueue.add(AbstractQueue.java:98)
	at java.base/java.util.concurrent.ArrayBlockingQueue.add(ArrayBlockingQueue.java:326)
	at com.logicbig.example.arrayblockingqueue.AddExample2.main(AddExample2.java:15)
	... 6 more

See Also