类层次结构
- java.lang.Object 
       
- java.util.EventObject (implements java.io.Serializable) 
         
- javax.sql.ConnectionEvent
 - javax.sql.RowSetEvent
 - javax.sql.StatementEvent
 
 
 - java.util.EventObject (implements java.io.Serializable) 
         
 
Interface Hierarchy
- java.lang.AutoCloseable
 - javax.sql.CommonDataSource 
       
- javax.sql.ConnectionPoolDataSource
 - javax.sql.DataSource (also extends java.sql.Wrapper)
 - javax.sql.XADataSource
 
 - java.util.EventListener 
       
- javax.sql.ConnectionEventListener
 - javax.sql.RowSetListener
 - javax.sql.StatementEventListener
 
 - javax.sql.PooledConnection 
       
- javax.sql.XAConnection
 
 - javax.sql.PooledConnectionBuilder
 - javax.sql.RowSetInternal
 - javax.sql.RowSetReader
 - javax.sql.RowSetWriter
 - java.sql.Wrapper 
       
- javax.sql.DataSource (also extends javax.sql.CommonDataSource)
 - java.sql.ResultSet (also extends java.lang.AutoCloseable) 
         
- javax.sql.RowSet
 
 - java.sql.ResultSetMetaData 
         
- javax.sql.RowSetMetaData
 
 
 - javax.sql.XAConnectionBuilder