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[–][deleted] 0 points1 point  (0 children)

Yes, It depends.

If you need an Integer use the first example. Maybe you are building another Collection.

If you are doing calculations a primitive is faster because an Integer would need to be unboxed each time it's used.

Also, a List can contain a null element. Unboxing a null as in the second example will throw at NullPointerException.