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Xuanwu Backend Tech Stack
Xuanwu Backend Tech Stack
Mar 12, 2025 · Backend Development

What Are GC Roots? Understanding JVM Garbage Collection Basics

The article explains the concept of GC Roots in the JVM, detailing the four main types—stack variables, static fields, constant pool references, and JNI references—along with code examples, and describes how these roots determine object liveness during garbage collection.

GC RootsGarbage CollectionJVM
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What Are GC Roots? Understanding JVM Garbage Collection Basics