Get App

Java: In Java, which comparison about Lambdas and Functional Interfaces is accurate?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

In Java, which comparison about Lambdas and Functional Interfaces is accurate?

  1. Lambdas express small behavior inline more cleanly than anonymous classes, especially for callbacks and pipeline steps.
  2. There is no practical difference in behavior, performance, or API design when Lambdas and Functional Interfaces is involved.
  3. The oldest option related to Lambdas and Functional Interfaces is always the right production choice regardless of context.
  4. Differences around Lambdas and Functional Interfaces are mostly cosmetic, so correctness and maintainability do not change.

Hint

Focus on the behavior or tradeoff, not just the keyword.

Answer and rationale

Correct answer: A. Lambdas express small behavior inline more cleanly than anonymous classes, especially for callbacks and pipeline steps.

Lambdas express small behavior inline more cleanly than anonymous classes, especially for callbacks and pipeline steps. This is the comparison that usually separates memorization from understanding.

Track: Java