db4o Developer Community

Hi there! Beeing new to OOP and OODB, i have a question regarding to designing an oo database: Assume you have a class ''car''. A user should be able to create/derive some kind of ''prototype instances'' or ''prototype classes'', like mazda-xyz, bmw-m9 and so on with a gui. But at the same time there shold be instances to be generated ...

hi db4o community, i don't have success when trying to store an object that contains a hashtable. does anyone have sample classes or sample code concerning usage of hashtables to be stored with db4o? any help and hints are highly appreciated. thank you.   kind regards   yb