Hibernate provides two levels of caching for entities - a first level cache and a second level cache. The first level cache is active by default and caches entities within a session. The second level cache requires additional configuration and caches entities across sessions but within a single application. The document includes an example program demonstrating usage of Hibernate's second level cache.

1. Hibernate First and Second Level
Caches
Sujit Kumar
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5. Example Programs
• Usage of Second Level Cache.