Abstraction in Java

SOLVED: Question 3 (1 point) Recall that DualArrayDeque implements the List interface using two ArrayStacks:public class DualArrayDeque extends AbstractList ArrayStack front; ArrayStack back;In order to implement get(i), we need to get it from the ArrayStack, front or back. We can express this as:front.get(front.size() - i - 1)back.get(i - front.size())Either (b) or (c) depending on the value of i and front size()Either (a) or (c) depending on the value of i and front size()Question 4 (1

Why are the abstract classes such as AbstractList, Abstractset,... | Filo

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