What thread synchronization mechanisms do you know and can use in your projects?

The virtual machine memory of Java (JVM) is the memory area allocated and managed by JVM for executing Java programs. It is divided into several parts:

• Heap — the main place for storing objects during runtime.
• Stack — stores call frames, local variables, and flow control.
• Metaspace — stores class metadata.
• Code cache — stores JIT-compiled code.

JVM manages this memory automatically, including garbage collection, relieving the programmer from manual memory management.