Object caching is an important piece in the design and development
of Web portals. In a typical Web portal application, we need the
frequently accessed data in a JVM's memory, but, at the same time,
we want the ability to automatically clear the data from memory
when it's stale and refresh it with new data. Currently many open
source implementations provide object caching in J2EE W cachingeditionenterprisej2eejakartajavapenchikalaperformancesrini with cacheby 2 users