Here's a quick JDBC with HSQLDB tutorial to get you up and running with Java database connectivity and the popular HyperSQL database.

Create a Maven-based Java project in Eclipse. Configure the PostgreSQL JDBC Driver. Create a Java class that holds PostgreSQL's JDBC URL. Programmatically create a database table. Perform the four ...

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.