                                   null,     // Database name,
                                           myDbConfig);
        } catch (FileNotFoundException fnfe) {
            System.err.println("openEnv: " + fnfe.toString());
            System.exit(-1);
        }
    } </pre>
        <p>
    Finally, we implement the methods used to close our environment and
    databases, parse the command line arguments, and provide our class
    constructor. This is fairly standard code and it is mostly
    uninteres