PersistenceManager persist = new PersistenceManager(driver, database, login, password);
// create a complex object with an Integer array as object
Integer[] intArray = new Integer[] { 4, 5, 6 };
ComplexObject co = new ComplexObject();
co.setObject(intArray);
persist.saveObject(co);
// close the persistence object
persist.close();
// re-open the persistence object
persist = new PersistenceManager(driver, database, login, password);