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Java: Which statement about Doubly Linked Lists is the strongest interview answer?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

Which statement about Doubly Linked Lists is the strongest interview answer?

  1. Doubly Linked Lists is mostly a naming style choice and has little effect on runtime or design.
  2. Doubly Linked Lists exists mainly to reduce the number of Java files in a project.
  3. Doubly Linked Lists matters only for frontend frameworks, not for core Java applications.
  4. A doubly linked list stores both next and previous references, enabling bidirectional navigation.

Hint

Start with the core rule behind Doubly Linked Lists.

Answer and rationale

Correct answer: D. A doubly linked list stores both next and previous references, enabling bidirectional navigation.

A doubly linked list stores both next and previous references, enabling bidirectional navigation. This is the base concept interviewers commonly test first.

Track: Java