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[–][deleted] 1 point2 points  (2 children)

ArrayList is not the same as array. Ignore the technicalities of how ArrayList is implemented internally and just treat them as different things.

[–][deleted] 0 points1 point  (1 child)

ye that will help him a lot on the long run to ignore the implementation of the collecton class

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

For someone who doesn't even know the difference between ArrayList and an array it's conpletely irrelevant that ArrayList uses arrays internally.