Packages 
Package Description
org.apache.commons.dbcp2
Database Connection Pool API.
org.apache.commons.dbcp2.cpdsadapter
This package contains one public class which is a ConnectionPoolDataSource (CPDS) implementation that can be used to adapt older Driver based JDBC implementations.
org.apache.commons.dbcp2.datasources
This package contains two DataSources: PerUserPoolDataSource and SharedPoolDataSource which provide a database connection pool.
org.apache.commons.dbcp2.managed
This package provides support for pooling of ManagedConnections.

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