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LinkedTransferQueue remove() method in Java

Last Updated : 14 Sep, 2018
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The java.util.concurrent.LinkedTransferQueue.remove() method is an in-built function in Java which is used to remove an element if it is present in this queue. Syntax: 
LinkedTransferQueue.remove(Object o)
Parameters: The function accepts a single parameter o i.e. the object to be removed. Return Value: The function returns a true boolean value on successful removal of the object, otherwise returns false. Below programs illustrate LinkedTransferQueue.remove() method: Program 1: The element to be removed is present in the queue. Java 
// Java Program Demonstrate remove()
// method of LinkedTransferQueue 

import java.util.concurrent.LinkedTransferQueue;

class LinkedTransferQueueRemoveExample1 {
    public static void main(String[] args)
    {
        // Initializing the queue
        LinkedTransferQueue<Integer> queue = 
              new LinkedTransferQueue<Integer>();

        // Adding elements to this queue
        for (int i = 1; i <= 5; i++)
            queue.add(i);

        // Printing the elements of the queue
        System.out.println("The elements in the queue are:");
        for (Integer i : queue)
            System.out.print(i + " ");

        // remove() method will remove the specified
        // element from the queue
        queue.remove(1);
        queue.remove(5);

        // Printing the elements of the queue
        System.out.println("\nRemaining elements in queue : ");
        for (Integer i : queue)
            System.out.print(i + " ");
    }
}
Output: 
The elements in the queue are:
1 2 3 4 5 
Remaining elements in queue : 
2 3 4
Program 2: The element to be removed is not present in the queue. Java 
// Java Program Demonstrate remove()
// method of LinkedTransferQueue 

import java.util.concurrent.LinkedTransferQueue;

class LinkedTransferQueueRemoveExample2 {
    public static void main(String[] args)
    {
        // Initializing the queue
        LinkedTransferQueue<Integer> queue = 
                    new LinkedTransferQueue<Integer>();

        // Adding elements to this queue
        for (int i = 10; i <= 15; i++)
            queue.add(i);

        // Printing the elements of the queue
        System.out.println("The elements in the queue are:");
        for (Integer i : queue)
            System.out.print(i + " ");

        // remove() method will remove the specified
        // element from the queue
        queue.remove(1);
        queue.remove(5);

        // Printing the elements of the queue
        System.out.println("\nRemaining elements in queue : ");
        for (Integer i : queue)
            System.out.print(i + " ");
    }
}
Output: 
The elements in the queue are:
10 11 12 13 14 15 
Remaining elements in queue : 
10 11 12 13 14 15
Reference: https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/LinkedTransferQueue.html#remove(java.lang.Object)

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