Development of an application on common SDK for Android, Blackberry and Symbian?

That is a big question and this is a market that is quickly changing. There are a number of technologies that are trying to provide the "write once, run anywhere" development experience for smart phones. I don't know that you will find an answer in Java, but there may be a tool or framework that can help you.

As far as I know, you cannot develop the UI portions in Java using any of the cross-platform tools (at least for these platforms). For the non-UI portions, I think that BlackBerry is the most restrictive, since it is basically Java 1.3 (no generics). If you target this lowest common denominator, you can write the non-UI portions as a library shared among all the platform-specific products.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.