What are the differences between linked lists and arrays?

What are the differences between linked lists and arrays?

Arrays are fixed-size data structures that store elements in contiguous memory, while linked lists are dynamic and consist of nodes that point to each other.

Which one is more efficient for inserting and deleting elements?

Linked lists are generally more efficient for insertions and deletions, especially in the middle of the list, as they don't require shifting elements like arrays do.

What about accessing elements? Is one faster than the other?

Yes, arrays allow for faster access to elements since they provide direct indexing, while linked lists require traversal from the head to access an element.

Can you give me an example of when to use each?

Use arrays when you need fast access and know the size in advance. Use linked lists when you expect frequent insertions and deletions.