ORLogger.getLogger().log(Level.INFO, "Trying to connect databse . . .");
        Class.forName("org.hsqldb.jdbc.JDBCDriver").newInstance();
        ORLogger.getLogger().log(Level.INFO, "HSQL driver loaded . . .");
        dbConnection = DriverManager.getConnection("jdbc:hsqldb:file:db/db", "username", "password");
        ORLogger.getLogger().log(Level.INFO, "Connected to databse.");

HSQL driver loaded . . .

dbConnection = DriverManager.getConnection("jdbc:hsqldb:file:db/db", "username", "password");