Java: How to write a `zip` function? What should be the return type?

Question

What should be the return type of a zip function? (zip as in most other languages, e.g. read here)

I thought about some Pair-type but that

Answer 1

No, there isn't explicitly a pair (or any tuple) in the standard JRE.

There was a discussion on the subject on the javaposse Google group that you might be interested in, that links off to a post by Dick Wall on why Java needs a Pair and a Triple, plus a similar question asked here.

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Update - original question was whether there was a Pair in Java. This answer may no longer make sense.