If you’re still not sure how this works, consider the following diagram: Rafael Del Nero Passing primitive types in Java. Like object types, primitive types are also passed by value.

Memory alignment does matter (as shown, for example, for primitive array types in Java Tip 130), but I think it is unprofitable to chase after such low-level details.

Only time and implementation use cases will prove out the importance of Java modularity for building real-world applications. New types could improve performance. Another big piece that could become ...

I always assumed that when Java introduced primitive type boxing and unboxing, JVM level optimizations to address any Java autoboxing related performance issues were implemented as well. I assumed ...

Azure jaz: Automatic memory and startup optimization for Java in the cloud The new Microsoft tool for the Azure cloud aims to improve launch times for Java applications and thus reduce cloud costs.