Articles by Jeff Friesen

In Part 4, I introduced all the things you can do with singly linked lists and their algorithms in Java. While singly linked lists have many uses, they also present some restrictions. For one thing, singly linked lists restrict node traversal to a s…

While singly linked lists have many uses, they also present some restrictions. For one thing, singly linked lists restrict node traversal to a single direction: you can’t traverse a singly linked list backward unless you first reverse its node links…

Like arrays, linked lists are a fundamental datastructure category upon which more complex datastructures can be based. Unlike a sequence of elements, however, a linked list is a sequence of nodes, where each node is linked to the previous and next …

Like arrays, which were introduced in Part 3 of this tutorial series, linked lists are a fundamental data structure category upon which more complex data structures can be based. Unlike a sequence of elements, however, a linked list is a sequence of…

In Datastructures and algorithms in Java, Part 2 I introduced a variety of techniques for searching and sorting one-dimensional arrays, which are the simplest arrays. In this article we’ll explore multidimensional arrays. I’ll introduce the three te…

Data structures and algorithms in Java, Part 2 introduced a variety of techniques for searching and sorting one-dimensional arrays, which are the simplest arrays. In this tutorial you’ll explore multidimensional arrays. I’ll show you the three ways …

An array is a fundamental datastructure category, and a building block for more complex datastructures. In this second part of my Java 101 introduction to datastructures and algorithms, you will learn how arrays are understood and used in Java progr…

An array is a fundamental data structure category, and a building block for more complex data structures. In this second tutorial in the data structures and algorithms series, you will learn how arrays are understood and used in Java programming. I’…

Datastructures and algorithms are essential to computer science, which is the study of data, its representation in memory, and its transformation from one form to another. In programming, we use datastructures to store and organize data, and we use …

Java programmers use data structures to store and organize data, and we use algorithms to manipulate the data in those structures. The more you understand about data structures and algorithms, and how they work together, the more efficient your Java…