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Should you use international identifiers in Java/C#?

C# and Java allow almost any character in class names, method names, local variables, etc.. Is it bad practice to use non-ASCII characters, testing the boundaries of poor editors and analysis tools and making it difficult for some people to read, or is American arrogance the only argument against?

Answer

I would stick to english, simply because you usually never know who is working on that code, and because some third-party tools used in the build/testing/bugtracking progress may have problems. Typing äöüß on a Non-German Keyboard is simply a PITA, and I simply believe that anyone involved in software development should speak english, but maybe that’s just my arrogance as a non-native-english speaker.

What you call “American arrogance” is not whether or not your program uses international variable names, it’s when your program thinks “Währung” and “Wahrung” are the same words.

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Is .NET/Mono or Java the better choice for cross-platform development? [closed]

How much less libraries are there for Mono than for Java?

I lack the overview over both alternatives but I have pretty much freedom of choice for my next project. I’m looking for hard technical facts in the areas of

  • performance (for example, I’m told Java is good for threading, and I hear the runtime code optimization has become very good recently for .NET)
  • real world portability (it’s both meant to be portable, what’s Catch-22 for each?)
  • tool availability (CI, build automation, debugging, IDE)

I am especially looking for what you actually experienced in your own work rather than the things I could google. My application would be a back-end service processing large amounts of data from time series.

My main target platform would be Linux.

Edit:
To phrase my question more adequately, I am interested in the whole package (3rd party libraries etc.), not just the language. For libraries, that probably boils down to the question “how much less libraries are there for Mono than for Java”?


FYI, I have since chosen Java for this project, because it seemed just more battle-worn on the portability side and it’s been around for a while on older systems, too. I’m a tiny little bit sad about it, because I’m very curious about C# and I’d love to have done some large project in it, but maybe next time. Thanks for all the advice.

Answer

Well….Java is actually more portable. Mono isn’t implemented everywhere, and it lags behind the Microsoft implementation significantly. The Java SDK seems to stay in better sync across platforms (and it works on more platforms).

I’d also say Java has more tool availability across all those platforms, although there are plenty of tools available for .NET on Windows platforms.

Update for 2014

I still hold this opinion in 2014. However, I’ll qualify this by saying I’m just now starting to pay some attention to Mono after a long while of not really caring, so there may be improvements in the Mono runtime (or ecosystem) that I haven’t been made aware of. AFAIK, there is still no support for WPF, WCF, WF, of WIF. Mono can run on iOS, but to my knowledge, the Java runtime still runs on far more platforms than Mono. Also, Mono is starting to see some much improved tooling (Xamarin), and Microsoft seems to have a much more cross-platform kind of attitude and willingness to work with partners to make them complimentary, rather than competitive (for example, Mono will be a pretty important part of the upcoming OWIN/Helios ASP.NET landscape). I suspect that in the coming years the differences in portability will lessen rapidly, especially after .NET being open-sourced.

Update for 2018

My view on this is starting to go the other way. I think .NET, broadly, particularly with .NET Core, has started to achieve “portability parity” with Java. There are efforts underway to bring WPF to .NET Core for some platforms, and .NET Core itself runs on a great many platforms now. Mono (owned by Xamarin, which is now owned by Microsoft) is a more mature and polished product than ever, and writing applications that work on multiple platforms is no longer the domain of deep gnosis of .NET hackery, but is a relatively straightforward endeavor. There are, of course, libraries and services and applications that are Windows-only or can only target specific platforms – but the same can be said of Java (broadly).

If I were in the OP’s shoes at this point, I can think of no reason inherent in the languages or tech stacks themselves that would prevent me from choosing .NET for any application going forward from this point.

Source: stackoverflow
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