Java Long class

Java ArrayBlockingQueue take() Method

Last Updated : 17 Mar 2025

The take() method of Java ArrayBlockingQueue class retrieves and removes the first element of the ArrayBlockingQueue, waiting (if necessary) until an element becomes available.

Syntax:

Parameters:

Specified By:

The take() method of ArrayBlockingQueue class is specified by:

take in interface BlockingQueue<E>.

Return Value:

The take() method returns the first element of this queue.

Example 1

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

public class ArrayBlockingQueueTakeExample1 {
    public static void main(String[] args) throws Exception {
        int capacity = 10;
        BlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(capacity);
        queue.add(67);
        queue.add(109);
        queue.add(98);
        queue.add(123);
        queue.add(100);
        System.out.println("Elements are :");
        for(Integer xyz : queue){
            //will take and remove the head of the queue
            System.out.println(queue.take());
        }
        System.out.println("Queue = "+queue);
    }
}

Output:

Elements are :
67
109
98
123
100
Queue = []

Example 2

import java.util.concurrent.ArrayBlockingQueue;
import java.util.function.Predicate;

class StudentPosition{
    int percentage;
    String name;
    public StudentPosition(int percentage, String name) {
        this.percentage = percentage;
        this.name = name;
    }
}
public class ArrayBlockingQueueTakeExample2 {
    public static void main(String[] args) throws  Exception{
        StudentPosition student1 = new StudentPosition(17,"Hinna");
        StudentPosition student2 = new StudentPosition(87,"Vinni");
        StudentPosition student3 = new StudentPosition(37,"Rima");
        int capacity =100;
        ArrayBlockingQueue<StudentPosition> queue = new ArrayBlockingQueue<StudentPosition>(capacity);
        queue.add(student1);
        queue.add(student2);        queue.add(student3);
        Predicate<StudentPosition> pr =(StudentPosition percentage)->(percentage.percentage < 33);
        queue.removeIf(pr);
        for (StudentPosition xyz : queue){
            //will retrieve and remove the head name in the queue.
            System.out.println(queue.take().name+" has passed.");
        }
    }
}

Output:

Vinni has passed.
Rima has passed.

Example 3

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

public class ArrayBlockingQueueTakeExample3 {
    public static void main(String[] args) {
        int capacity = 10;
        BlockingQueue<String> queue = new ArrayBlockingQueue<String>(capacity);
        queue.add("Raj");
        queue.add("Simran");
        queue.add("Ravi");
        queue.add("Vijay");
        queue.add("Ajay");
        System.out.println("Elements are :");
        for(String xyz : queue){
            //will take and remove the head of the queue
            System.out.println(queue.take());
        }
        System.out.println("Queue = "+queue);
    }
}

Output:

Error:(18, 42) java: unreported exception java.lang.InterruptedException; must be caught or declared to be thrown

To resolve this error, either we should add exception to the method signature or should surround the take() method with try and catch.

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Java ArrayBlockingQueue take() Method

Syntax:

Parameters:

Specified By:

Return Value:

Example 1

Example 2

Example 3

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