offer() – Inserts a new element onto the Queue. poll() – Removes an element from the front of the Queue. peek() – Inspects the element at the front of the Queue, without removing it.
Jan 8, 2024
Feb 18, 2012 · A pop operation on an empty stack doesn't make much sense, so it makes more sense to call it "Poll" - fetch something if it's available, ...
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Oct 20, 2021 · The poll() method of Queue Interface returns and removes the element at the front end of the container. It deletes the element in the ...
Sep 26, 2018 · The offer(E e) method of Queue Interface inserts the specified element into this queue if it is possible to do so immediately without ...
The offer method is designed for use when failure is a normal, rather than exceptional occurrence, for example, in fixed-capacity (or "bounded") queues. The ...
May 6, 2022 · The poll() method of the Queue interface returns the object at the top of the current queue and removes it. If the queue is empty this method ...
Nov 18, 2020 · The poll() method allows you to retrieve and remove the top most element (head) of a Queue. In our example, when you call poll() at the above ...
Jan 5, 2017 · When you are using a System where the Queue is capacity restricted then Offer() method is used since it doesn't any exceptions when a element is ...
boolean offer(E e) inserts the specified element into the queue if it is possible to do so immediately without violating capacity restrictions; it returns true ...
peek gives the head element of the queue; poll gives the head element of the queue and remove it as well; remove gives the head element of the queue and ...