JDBC (Java Database Connectivity) is the Java API that manages connecting to a database, issuing queries and commands, and handling result sets obtained from the database.

There are benefits and drawbacks to Java's Iterator vs. ListIterator interface. Learn how to make the right choice when you choose between them.

Finally, note that the previous article in the “What is: Java” series introduced the Java Platform Module System, which offers a different approach to the same challenge of Java modularity.