Question

What is the downside of using arrays when adding or removing items in the middle of the list?

a.

The second half of the array must be copied to make room for the new item

b.

The first half of the array must be copied to make room for the new item

c.

The entire array must be copied to make room for the new item

d.

No copying is required when adding or removing items in an array

Posted under Reverse Engineering

Answer: (a).The second half of the array must be copied to make room for the new item Explanation:The most significant downside of arrays is the difficulty of adding and removing items in the middle of the list. Doing that requires that the second half of the array (any items that come after the item we’re adding or removing) be copied to make room for the new item or eliminate the empty slot previously occupied by an item.

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