Delegate ruthlessly. Get a 2IC/COO to deal with running operations, concentrate on strategy, people, ensuring your organisation is the right shape, value add.
And then the viva64 "book" is basically a list of open source projects with bugs in spotted by Karpov's pet static analyser. Very little of excitement to see here, just a grab bag of gotchas - pretty much like C++ itself. /runs for cover
Static typing in Java does not give enough information to optimise because of polymorphism. The JIT can observe runtime behaviour and inline method calls at monomorphic sites.
Worth noting also that Azul's Zing ReadyNow technology for AOT (and indeed their no-pause C4 collector) address some of the specific gripes raised here around the JVM...