Java Collections - ArrayBlockingQueue.poll() Examples

[Last Updated: Nov 8, 2025]

Class:

java.util.concurrent.ArrayBlockingQueue

Method:

E poll()

Retrieves and removes the head of this queue, or returns null if this queue is empty.

Examples

package com.logicbig.example.arrayblockingqueue;

import java.util.Arrays;
import java.util.concurrent.ArrayBlockingQueue;

public class PollExample {

    public static void main(String... args) {
        ArrayBlockingQueue<Integer> q = new ArrayBlockingQueue<>(3, true,
                Arrays.asList(1, 2, 3));
        System.out.println("queue: " + q);
        Integer i = q.poll();
        System.out.println(i);
        i = q.poll();
        System.out.println(i);
        i = q.poll();
        System.out.println(i);
        i = q.poll();
        System.out.println(i);
    }
}

Output

queue: [1, 2, 3]
1
2
3
null

Java Collections - ArrayBlockingQueue.poll() Examples

Class:

Method:

Examples

Output

See Also