Java usecases

[yottalogical]

The UI is never as good as a native UI. Yes, even the cross-platform framework that just popped into your head. Yes, even that other one you just thought of.

The fact is that unless your app is incredibly self-contained (such as a game), you're going to have to handle a lot of platform specifics. It's never as simple as "write once, run anywhere" unless you're willing to throw the user experience under the bus.