A priority queue in Java is a special type of queue wherein all the elements are ordered as per their natural ordering or based on a custom Comparator supplied at the time of creation. The front of ...

Its very important that you know how can we use the above data structures in Java , Just having theoretical knowledge wont help you to tackle all the scenerios you encountered during the interview .

// It Follow the min heap, it mean internaly it will create a tree based on the priorites. // The PriorityQueue class implements the Queue interface. // It holds the elements or objects which are to ...