This tutorial series is a beginner’s guide to data structures and algorithms in Java. You’ll learn: How to recognize and use array and list data structures in your Java programs.

I’ve focused on two data structure categories, Java arrays and linked lists, which are the basis of more complex data structures such as stacks, queues, trees, graphs, dictionaries/maps, and sets.

Arrays and linked lists are among the most common data structures, and each is applicable in different situations. Arrays and linked lists are both designed to store multiple elements, most often ...