> you'll know just how slow memory allocation is Just a small nitpick, but allocation is definitely not slow in case of the JVM, it is often faster than manual

> you'll know just how slow memory allocation is Just a small nitpick, but allocation is definitely not slow in case of the JVM, it is often faster than manually managed languages. It is a pointer bump only. All the necessary mechanisms of a GC does have an overhead, so your point stands, but not for the mentioned reason.