intermediateJVM Internals & Memory382 of 436

Explain Java memory areas: Heap, Stack, Method Area and Program Counter (and Heap vs Stack).

Tests whether you know the Heap holds all objects (shared, GC-managed), the Stack holds per-thread method frames and local primitives/references (private, auto-reclaimed on return), and the Method Area/Metaspace stores class metadata -- not just that 'objects go on the heap'.

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