NOTE

How Objects Are Located

Oracle JDK and OpenJDK use direct pointers: fast access, but pointers need to be updated if GC moves surviving objects.

JavaCreated 03/15/2020Updated 02/26/20221 min readhistorical

This is a historical learning note and may contain outdated or incomplete understanding.

Oracle JDK and OpenJDK use direct pointers. The advantage is fast access; the disadvantage is that if garbage collection moves surviving objects, the pointers need to be updated.

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