HSQLDB comes with PDF and HTML documentation, with example program source code that can help PROGRAMERS who are new to JDBC PROGRAMMING.
Basic SAMPLEPROGRAMS are in the /src/org/hsqldb/sample folder.
Source code of test programs is useful EXAMPLES of how to use different features of JDBC and SQL. Check the sources in the /src/org/hsqldb/test folder.
SQL test scripts are in the /run test folder and offer extensive examples of SQL statements.