Java / JVM Architecture (Java21) Interview questions
What is the Method Area in JVM?
The Method Area is a shared memory region that stores per-class structures: the runtime constant pool, field and method data, method bytecode, and static variables.
Every loaded class has exactly one entry here, created during the loading phase and populated further during linking and initialization.
In the HotSpot JVM, the Method Area is implemented as Metaspace since Java 8, living in native memory rather than inside the regular heap, which is why it is sized with -XX:MaxMetaspaceSize rather than -Xmx.
The Method Area stores:
Since Java 8, the Method Area is implemented in HotSpot as:
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