Heap stores objects (young/old gen). Each thread has a stack for frames and locals. Metaspace holds class metadata (replaced PermGen in Java 8+).
skill interview prepUpdated 2026
Java interview questions and answers
Skill-first preparation for Java interviews with practical execution patterns.
20
Questions
7
Categories
100%
With answers
Yes
Practice ready
Interview question bank
Showing 20 of 20 questions
Practice with AI feedback
Reading answers is step one. Run a timed mock on these Java topics to get follow-up questions, scoring, and weak-area drills.