I reserved 2 library books which came on the same day. I saw them on the shelf and realized that they were the same except one was about ObjC and one was about ObjC 2.0.
Also, what is the Objective-C++?
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Apple has an overview of Objective-C 2.0 on its Web site, though it’s worth noting that the version of Objective-C 2 on the iPhone doesn’t include garbage collection. Basically, the differences amount to:
for (id object in collection)Objective-C++ is a compiler mode that allows you to intermingle C++ code with Objective-C code in the same function body.