Packages 
Package Description
org.cache2k
Main package for cache2k API containing functions to build and access a cache.
org.cache2k.annotation
Containing NonNull and Nullable annotations.
org.cache2k.config
The cache configuration as a Java bean and support types.
org.cache2k.event
Events that are fired on behalf of a cache operation.
org.cache2k.expiry
Set of interfaces for customizing the expiry behavior.
org.cache2k.io
Loader and writer to integrate with external data sources.
org.cache2k.operation
Operational aspects of a cache, like accessing statistics, basic information, change runtime parameters and customizations that augment general behavior.
org.cache2k.processor
Entry processor and supporting types for custom atomic operations on a cache entry.
org.cache2k.spi
Service provider interface that is used by the cache2k implementation.