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ConcurrentLinkedQueue remove() method in Java

Last Updated : 3 Apr, 2023

The remove(Object o) method of ConcurrentLinkedQueue is used to remove a single instance of the specified element from this ConcurrentLinkedQueue, if it is present. This method removes an element e such that o.equals(e) if this ConcurrentLinkedQueue contains one or more such elements. Remove() method returns true if this ConcurrentLinkedQueue contained the specified element else it will return false. Syntax:

public boolean remove(Object o)

Parameter: This method takes a parameter o which represent element to be removed from this ConcurrentLinkedQueue. Returns: This method returns true if this ConcurrentLinkedQueue contained the specified element and removed. Below programs illustrate remove() method of ConcurrentLinkedQueue: Example 1: 

Output:
ConcurrentLinkedQueue: [4353, 7824, 78249, 8724]
Removing Number 78249 successful: true
Updated ConcurrentLinkedQueue: [4353, 7824, 8724]

Example 2: 

Output:
ConcurrentLinkedQueue: [Aman, Amar, Sanjeet, Rabi]
Removing String "Aman" successful: true
Updated ConcurrentLinkedQueue: [Amar, Sanjeet, Rabi]
Removing String "Kisan" successful: false
Updated ConcurrentLinkedQueue: [Amar, Sanjeet, Rabi]

Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentLinkedQueue.html#remove-java.lang.Object-

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