Well, that syntactic structure is just unfamiliar for me, so it would be tough to search for a test case to reveal difference in logic, I believe. And it would take at least half of an hour - I got the knowledge for 1 minute here. You can send me a link to Java beginners, though, if you annoyed.
IMO I don't think executing a code to understand its behaviour is a good thing. Maybe you save time, but you need more time to understand it...
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