Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

JDBC interfaces, classes and components. The JDBC API is composed of a number of interfaces and classes that represent a connection to the database, provide facilities for sending SQL queries to a ...

Nesting classes in interfaces. One of Java’s stranger language features is the ability to nest a class inside an interface. As with a nested interface, the nested class is implicitly public and ...

Close your Closeable JDBC resources. Both the JDBC Statement and Connection objects implement the Closeable interface, which means we should invoke the close() method on them when they are no longer ...

The [!INCLUDEjdbcNoVersion] supports interfaces that allow you create a proxy of a class, and wrappers that let you access extensions to the JDBC API that are specific to the [!INCLUDEjdbcNoVersion] ...