The Priority Queue class is part of Java’s collections framework and implements the Queue interface. Following is the class hierarchy of the Priority Queue class in Java. Let’s create a Priority Queue ...

In this assignment, you are required to implement priority queue construction in C and compare ... You are free to choose the way in your Java code, but it is recommended to use PriorityQueue class.

It’s a good idea to use an abstract class when you need to implement mutable state. As an example, the Java Collections Framework includes the AbstractList class, which uses the state of variables.