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sorry, you're confused | 393 comments | Create New Account
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sorry, you're confused
Authored by: xtifr on Sunday, May 27 2012 @ 12:09 AM EDT

You're mixing up your APIs with your ABIs. (Not too surprising--a lot of people say API when they're referring to ABIs.) An API appears purely at the source level. Behind the scenes, it may resolve to a simple ABI, or more than one, or none (though the latter two cases are rare). In C or C++, the API may use macros or inline functions, which may not involve any ABIs at all. And with cross-platform APIs, the APIs may refer to very different ABIs on different platforms, like the WXWidgets API, which is in large part just a wrapper around native APIs (GTK, Windows, or MacOS).

Dalvik doesn't use the JVM's ABIs at all! It can't, because it's a different virtual machine that works differently. Android, on the other hand, uses a large amount of the same APIs as J2SE. It's compatible at the source level, because APIs are a source-level feature.

---
Do not meddle in the affairs of Wizards, for it makes them soggy and hard to light.

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