This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Even though your class names don't break any Java compiler rules, there is a generally accepted standard that suggests that class names begin with a capital letter. If the class name is a combination of nouns (a noun phrase for the lack of a better term) each beginning letter of the name should be a capital. So in your case:
use Accesspack or AccessPack instead of accesspack.