![]() * We can remove an element from Queue using remove() method, We cannot create instance of a Queue since it is an interface, thus we Let us take a look the demonstration now, Program To Demonstrate Queue Methods If the queue is empty, it returns a null value.Īn overview of the following methods is given as follows: Operation poll(): The poll() method removes the beginning of the queue and returns it.Throws NoSuchElementException if the queue is empty. remove(): The remove() method removes the front of the queue and returns it.element(): If the queue is empty, the method throws NoSuchElementException.If the queue is empty, it returns a null value. peek(): The peek() method is used to look at the front of the queue without removing it.offer(): The offer() method is preferable to the add() method, as it inserts the specified element into the queue without violating any capacity restrictions. ![]() The method is inherited from the Collection interface.
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