During program-building, the compiler or library tool accesses the library ... Java’s libraries are commonly known as class libraries. However, Java refers to class libraries as packages.

Library authors would prefer to use interfaces to expose opaque abstractions; abstract classes were meant to be an implementation aid, not a modeling tool. (See Effective Java, "Prefer interfaces ...

I'm purely a Java guy, and we'll eventually get to a pure Java library, but in the meantime I'd like to test using something like JNA. I'm wanting to keep this under a linux environment.