Java MCQ: Which interface does PriorityQueue implement in Java?
a) Queue
b) List
c) Set
d) Map
Answer:
a) Queue
Explanation:
The PriorityQueue class in Java implements the Queue interface. It provides a way to order elements based on their priority and is part of the Java Collections Framework.
Understanding the Queue interface and its implementations, like PriorityQueue, is essential for managing collections that follow the first-in, first-out (FIFO) principle or are ordered by priority.
Reference links:
https://www.rameshfadatare.com/learn-java-programming/
https://www.javaguides.net/p/java-tutorial-learn-java-programming.html