Senior JAVA Developer interview questions

Shared by steffi mueller

Cards 49

Type Phrases

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Last updated Jun 2, 2026

[Advanced Java] Explain JVM internals: class loading, JIT.

ClassLoader, verification, preparation, resolution, JIT compiles hot methods.

[Advanced] How does JVM handle memory: heap, stack, metaspace?

Heap: objects, Stack: frames, Metaspace: class metadata.

[Design] Explain how to design a scalable caching system.

LRU, distributed like Redis, eviction policies, consistency.

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