Priority Queues/Comparators

Here is a link to the Java API docs for the Priority Queue class: https://docs.oracle.com/javase/7/docs/api/java/util/PriorityQueue.html

PriorityQueue is a Java class that implements a queue where elements in the queue have keys, and each item is sorted according to its key value.

Some links related to sorting in Java:

• Java/Sorting - notes on sorting in Java
• Java/Comparable - built-in comparison functionality for objects
• Java/Comparators - standalone object for comparing two other objects