An introduction to Java syntax for Android development This post introduces the basics of Java syntax so that you can better start to understand what all those lines do.

JDBC is an adapter layer from Java to SQL: it gives Java developers a common interface for connecting to a database, issuing queries and commands, and managing responses. Step 2.

Get to know the Java persistence standard based on Hibernate and learn how to use JPA to store and manage Java objects in a relational or NoSQL database.