LMFAOOOOOOOOOOO
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not really a mistake, I think it is a pre java 7 thing. but as you may guess, it is outdated. you'd probably get a warning like this on the later versions: "Note: Raw type ArrayDeque. References to generic type ArrayDeque should be parameterized"
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LMFAOOOOOOOOOOO
This comment is hidden because it contains spoiler information about the solution
not really a mistake, I think it is a pre java 7 thing. but as you may guess, it is outdated. you'd probably get a warning like this on the later versions:
"Note: Raw type ArrayDeque. References to generic type ArrayDeque should be parameterized"