Jun 22, 2012 · Java defined the interface Queue, the LinkedList provided an implementation. It also maintains references to the Head and Tail elements, which you can get by .getFirst() and …

Oct 29, 2021 · Queue in Java is defined as an interface and many ready-to-use implementation is present as part of JDK release. Here are some: LinkedList, Priority Queue, …

Mar 21, 2017 · Adding to a Queue during processing of elements removed from that Queue is well-defined behavior, but with an Iterator, you'll get a ConcurrentModificationException …

Apr 18, 2012 · I need a simple FIFO implemented queue for storing a bunch of ints (I don't mind much if it is generics implementation). Anything already baked for me in java.util or …

Jan 18, 2013 · Depending on the actual data structure used to support the Queue you can do better than this, but it's relying on an underlying implementation, which I wouldn't advise. A …

I need a queue with a fixed size. When I add an element and the queue is full, it should automatically remove the oldest element. Is there an existing implementation for this in Java?

Java queues don't have enqueue and dequeue methods, these operations are done using the following methods: Enqueuing: add(e): throws exception if it fails to insert the object offer(e): …

I have 2 scenarios, one requires the queue to support many producers (threads using it) with one consumer and the other is the other way around. I do not understand which implementation to …

Oct 6, 2016 · This is what I have. I thought pre-order was the same and mixed it up with depth first! import java.util.LinkedList; import java.util.Queue; public class Exercise25_1 { public static …

Dec 14, 2014 · A particular thread-safe queue is used as the buffer between the different producers and consumers. Now imagine that a particular consumer only has the ability to …