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~90% of the JVM instruction set are simple RISC instructions, the rest is object maintenance. Writting a JVM is like writting an emulator for a simple CPU/platf
by mjan22640 3y ago
~90% of the JVM instruction set are simple RISC instructions, the rest is object maintenance. Writting a JVM is like writting an emulator for a simple CPU/platform.
- ahoka 3y agoA simple CPU with a possibly different memory model than the host CPU.
- pjmlp 3y agoTrue until Java 7, not so with all the newer bytecodes.
- teleforce 3y agoIt makes perfect sense at the time Sun is naming it JVM, apparently technically it's a VM. That meant they have had a valid claim to "write once, run anywhere" mantra. It's a shame that in reality it turned out later to be "write once, debug everywhere" kind of nightmare.