Java / Queue and its implementations
List few Queue implementations.
LinkedList, ArrayDeque, PriorityQueue, and BlockingQueue types such as ArrayBlockingQueue implement Queue. ArrayDeque is the usual non-concurrent default.
LinkedList implements the Queue interface, providing first in, first out (FIFO) queue operations
The PriorityQueue class is a priority queue based on the heap data structure. This queue orders elements according to the order specified at construction time.
java.util.concurrent package contains a set of synchronized Queue interfaces and classes. More information can be found here.
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