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I would like to easily transform a collection (list) of objects of class A to a collection of objects of class B, just as Python’s map function does it. Is there any “well-known” implementation of this (some kind of library)? I’ve already searched for it in Apache’s commons-lang but with no luck.
still not exist
functional programming features will be added in Java 8 – Project Lambda
I think Google Guava is best for your needs now