Gc on Kevin wang's bloghttps://kevinwang930.github.io/tags/gc/Recent content in Gc on Kevin wang's blogHugoen-USThu, 08 Oct 2026 22:30:00 +0200JVM Internals - G1 garbage collectorhttps://kevinwang930.github.io/post/java/jvm/gc/Thu, 08 Oct 2026 22:30:00 +0200https://kevinwang930.github.io/post/java/jvm/gc/<p>HotSpot <strong>memory management</strong> places Java objects in the heap and reclaims them when they become unreachable. Mutators allocate; a <strong>garbage collector</strong> discovers live objects from GC roots, frees or relocates storage, and returns space so allocation can continue. On modern JDKs the collector that does this by default is <strong>G1</strong> (Garbage-First).</p>