quote:Original post by dot
Java is designed to be backward compatible, and if there are features that they think are better off without in a later version, they still ship it with them, but marked them as depreciated in favour of newer syntax and stuff. So, yes, an MIDP1 application would work in an MIDP2 phone...
In theory. Again. Why? They would actually depend on how consistent and standard the implementation of the KVM(the jvm for the cell phone) is. For example, Nokia''s series 60 KVM has a serious bug in that there is memory leak whenever you load an image and release it. Even if your game works perfectly fine in series 40, it might even run out of memory in a series 60 phone. If you do decide to cache all images at the start of the game and reuse them, bare in mind the heap limitations of a series 40 phone (typically 256kb), where as for a series 60 phone, it is much larger(up to 4mb). And for this I am talking about Nokia series 40 and 60. I have yet to play with the other mobile phone maker''s implementations. And we are talking about j2me cldc 1 and midp 1 only. Not to mention the inconsistency of transparency in nokia''s additional java api of series 40 and 60.
Basically, you wouldn''t know till you try the things out.