Get App

Java: Which statement about PriorityQueue and Heap Basics is the strongest interview answer?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

Which statement about PriorityQueue and Heap Basics is the strongest interview answer?

  1. Java's PriorityQueue is a heap-backed structure that always exposes the least element according to its ordering.
  2. PriorityQueue and Heap Basics is mostly a naming style choice and has little effect on runtime or design.
  3. PriorityQueue and Heap Basics exists mainly to reduce the number of Java files in a project.
  4. PriorityQueue and Heap Basics matters only for frontend frameworks, not for core Java applications.

Hint

Start with the core rule behind PriorityQueue and Heap Basics.

Answer and rationale

Correct answer: A. Java's PriorityQueue is a heap-backed structure that always exposes the least element according to its ordering.

Java's PriorityQueue is a heap-backed structure that always exposes the least element according to its ordering. This is the base concept interviewers commonly test first.

Track: Java