Java ArrayBlockingQueue remove() Method

The remove() method of ArrayBlockingQueue class removes the specified element from the queue, if that element is present in the queue.

Syntax:

Parameters:

The parameter 'o' is passed which is removed from the queue, if the element is present.

Specified By:

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

remove in interface BlockingQueue<E>.
remove in interface Collection<E>.

Return Value:

The remove() method returns a Boolean value corresponding to this Object 'o':

It returns ture, if the element is present in the queue and the queue is changed as a result of this queue.
Else it returns false.

Example 1

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
public class ArrayBlockingQueueRemoveExample1 {
    public static void main(String[] args) {
        int capacity = 10;
        BlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(capacity);
        queue.add(12);
        queue.add(98);
        queue.add(122);
        queue.add(102);
        queue.add(112);
        System.out.println("Elements in queue : "+queue);
        //remove() method will remove the specified element from the queue
        queue.remove(122);
        queue.remove(102);
        System.out.println("Remaining elements in queue : "+queue);
    }
}

Output:

Elements in queue : [12, 98, 122, 102, 112]
Remaining elements in queue : [12, 98, 112]

Example 2

import java.util.Scanner;
import java.util.concurrent.ArrayBlockingQueue;
class List{
    String grocery_item;
    public List(String grocery_item) {
        this.grocery_item = grocery_item;
    }
    public String toString(){
        return this.grocery_item;
    }
}
public class ArrayBlockingQueueRemoveExample2 {
    public static void main(String[] args) {
        int capacity=100;
        Scanner scanner = new Scanner(System.in);
        List list1 = new List("Cake");
        List list2 = new List("Pulses");
        List list3 = new List("Sugar");
        List list4 = new List("Salt");
        List list5 = new List("Basmati Rice");
        List list6 = new List("Aata");
        ArrayBlockingQueue<List> queue = new ArrayBlockingQueue<List>(capacity);
        queue.add(list1);
        queue.add(list2);
        queue.add(list3);
        queue.add(list4);
        queue.add(list5);
        queue.add(list6);
        for (List xyz:queue){
            System.out.println(xyz);
        }
        queue.remove(list4);
        queue.remove(list1);
        System.out.println("New List : "+queue);
    }
}

Output:

Cake
Pulses
Sugar
Salt
Basmati Rice
Aata
New List : [Pulses, Sugar, Basmati Rice, Aata]

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Java ArrayBlockingQueue remove() Method

Syntax:

Parameters:

Specified By:

Return Value:

Example 1

Example 2

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Java ArrayBlockingQueue remove() Method

Syntax: