ART improves performance mainly by using:

  1. Larger APKs
  2. Ahead-of-time compilation at install time (plus JIT/profile-guided compilation)
  3. Interpreting XML
  4. More RAM per app only
Answer

B) Ahead-of-time compilation at install time (plus JIT/profile-guided compilation)

ART compiles DEX ahead of time and uses profiles to optimise hot code.

Computer Science MCQ · More Android OS: Architecture, Framework and Application Development MCQs · Practise