Complex diagram, Java Virtual Machine (JVM) architecture, layered structure, CPU, memory management, class loader subsystem, bytecode verifier, execution engine, runtime data areas, method area, heap space, stack, program counter register, native method interface, operating system, digital circuit board, wires, microchips, motherboard, server room, network cables, screens displaying code, programmer in the background, blurred, fluorescent light, modern office setting, 3/4 composition, shallow depth of field.