Get App

Java: Which statement about Fast and Slow Pointers is the strongest interview answer?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

Which statement about Fast and Slow Pointers is the strongest interview answer?

  1. Fast and Slow Pointers is mostly a naming style choice and has little effect on runtime or design.
  2. Fast and Slow Pointers exists mainly to reduce the number of Java files in a project.
  3. Fast and slow pointers move at different speeds so one traversal can reveal cycles, middles, or meeting points.
  4. Fast and Slow Pointers matters only for frontend frameworks, not for core Java applications.

Hint

Start with the core rule behind Fast and Slow Pointers.

Answer and rationale

Correct answer: C. Fast and slow pointers move at different speeds so one traversal can reveal cycles, middles, or meeting points.

Fast and slow pointers move at different speeds so one traversal can reveal cycles, middles, or meeting points. This is the base concept interviewers commonly test first.

Track: Java