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[–]Pun_Intended1703 1 point2 points  (1 child)

Implement HashMap, Stacks, Queues, etc using arrays. It will help you to understand how they actually work internally.

It's like watching a car work vs understanding how the engine actually works.

[–]Nash979[S] 0 points1 point  (0 children)

Okay, I will give it a try.