Learn Java from Scratch - A Beginner's Guide - Step 04 - List Interface Implementations - ArrayList Versus LinkedList

This video tutorial explains the differences between array lists and linked lists, focusing on their underlying data structures and operational efficiencies. It highlights that array lists use arrays, which allow fast access but slow insertion and deletion. Linked lists, on the other hand, use a linked structure that facilitates easier insertion and deletion but slower access. The video also discusses when to use each data structure based on the frequency of modifications and access needs.

What is the basic data structure used underneath an ArrayList?

Explain the process of inserting an element in an array.

How does accessing an element in a linked list differ from accessing an element in an array?

What are the advantages of using a linked list over an array?

What is the impact of element access time in linked lists compared to arrays?

Describe the structure of a doubly linked list.

In what scenarios would you prefer to use an ArrayList instead of a linked list?