Java Tech Workshop
Oct 1, 2026 · Fundamentals
Why Circular References Don't Leak Memory in Java: Reachability Analysis Explained
This article explains how Java's reachability analysis garbage collection handles circular references, contrasts it with reference counting's failure on cycles, details GC roots, three-color marking, finalize() resurrection, and identifies real memory leak patterns caused by lingering root references.
Circular ReferencesFinalizeGC Roots
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