Iimplemenatation classes of Connection,Statement,PrepareStatement,CallabaleStatement?

[Satyajeet Kadam]

Q1)Where is the implemenatation of Connection,Statement,PrepareStatement,CallabaleStatement?

[Jeevan Reddy]

It is provided in the jdbc jar provided by different vendors oracle, db2 etc.
If you have the software, you can open the jar and see the implementation for them.

Regards,
Jeevan.

[Satyajeet Kadam]

Connection con=DriverManager.getConnection();

Q1) From DriverManager class we are Connection object.Do DriverManager class provides implementation of it?
Reason behinng asking this question i was asked interview.Where are implementation classes. If there is interface someone has provide implemntation for
it.

[Jeanne Boyarsky]

Yes. As Jeevan said, the implementation is provided by the jdbc driver jar.

DriverManager provides a reference to the class, not the implementing class.