Just by name " Queue " we can think of big "Q" for Movie tickets booking in our olden days or have read about FIFO ord...

Queue is a First-In-First-Out (FIFO) data structure. In a FIFO data structure, the first element added to the queue will be the first to ...

In our last tutorial we have see about PriorityQueue and how its used in Java with simple example. In this tutorial we will see about ...

PriorityQueue is unbounded priority queue based on priority heap.  Basically PriorityQueue are ordered according to natural ordering...