Why should you learn data structures and algorithms? All the top-tier tech brands, such as YouTube, Facebook, Google, Microsoft, etc., are focussed on designing things optimally to amplify the user experience and accentuate management and tracking.
So, if you are applying for a job in any of these companies, the core area of questions in the interview will be related to Data Structures and Algorithms. In addition, your knowledge of the subject can help the interviewer assess your capabilities to solve real-world problems.
In addition, even though a quick search on a search engine can provide you with a source code to fix the error, a real programmer will want to understand the programming interface internals, such as the data structures, to make vital decisions.
If you, too, wish to learn data structures and algorithms, it is time you enroll in the best data structures and algorithms course online. There are several data structures and algorithms classes on the internet.
We handpicked a few of the best data structures and algorithms training courses from a wide variety.
16 Courses To Master Data Structures and Algorithms
- Mastering Data Structures & Algorithms using C and C++ – [Udemy]
- Data Structures and Algorithms: Deep Dive Using Java – [Udemy]
- Python for Data Structures, Algorithms, and Interviews! – [Udemy]
- Algorithms Data Structures In Java #1 (+Interview Questions) – [Udemy]
- JavaScript Algorithms and Data Structures Masterclass – [Udemy]
- Data Structures A-Z: Data Structures + Algorithms Bootcamp – [Udemy]
- Introduction to Data Structures & Algorithms in Java – [Udemy]
- Master the Coding Interview: Data Structures + Algorithms – [Udemy]
- Data Structures and Algorithms Specialization – University of California San Diego – [Coursera]
- Data Science Foundations: Data Structures and Algorithms Specialization – University of Colorado Boulder – [Coursera]
- Algorithms, Part I – Princeton University – [Coursera[
- Intro to Data Structures and Algorithms – by Grow with Google – [Udacity]
- Data Structures and Algorithms – [Udacity]
- Data Structures and Algorithms – by Georgia Tech – [edX]
- Algorithms and Data Structures – Part 1 – [Pluralsight]
- Programming Foundations: Data Structures – [LinkedIn Learning]
16 Best Data Structures and Algorithms Course Online
1. Mastering Data Structures & Algorithms using C and C++ – [Udemy]
| Rating | 4.6 |
| Enrolled | 97,261 students |
| Duration | 58.5 hours on-demand video |
| Instructor | Abdul Bari |
| Paid | Yes |
| Certification | Yes |
| Return or refund policy | 30-Day Money-Back Guarantee |
| Cons | Several topics, such as backtracking, red and black trees and various algorithms, are missing from the course. |
It is a detailed bestseller course, which covers every topic in fine detail on the whiteboard. This can help amplify your analytical and problem-solving skills. In addition, you can download the source code for the programs within the course for free.
Udemy is the best website to learn data structures and algorithms, as the course comes with a 100% moneyback guarantee. So, if you are not happy, you can request your refund.
Course Contents
In this best DSA course online, you will study about stack, queues, recursion, array ADT, linked list, arrays representation, trees, graphs, binary search tree, AVL trees, hashing technique
Learning Outcomes
You can learn various things with these data structures and algorithms classes. Some of them are listed below:
- Prevalent data structures with their algorithms
- Implementation of the data structures with C and C++
- Understanding of the sorting algorithms
- Knowledge of Recursive Algorithms
- Acquiring Analytical skills and using them well
- Solving challenging coding problems with data structures
Prerequisites
This is one of the best data structures and algorithms training. For this course, you will need prior C and C++ programming knowledge.
Who should take this course?
This is the best DSA course online for anyone new to the Data structure. Further, people who have already studied and implemented data structures but need greater clarity on the subject will also find the course helpful.
Typically, this is the top data structures and algorithms course online for:
- Undergrad students who wish to learn data structures well
- Developers who need greater knowledge of data structure.
Ameer Akhib K.
“In this Course I got my entire basics cleared and very good understanding of Data Structures with detailed and clear Explanation.
2. Data Structures and Algorithms: Deep Dive Using Java – [Udemy]
| Rating | 4.4 |
| Enrolled | 71,180 students |
| Duration | 16 hours on-demand video |
| Instructor | Tim Buchalka, Tim Buchalka’s Learn Programming Academy, and Goran Lochert |
| Paid | Yes |
| Certification | Yes |
| Return or refund policy | 30-Day Money-Back Guarantee |
| Cons | There is a lot of fluff in the course. Several basic parts of the course have been overly explained, which is unnecessary. |
We have another bestseller course for you on this best website to learn data structures and algorithms.
Typically, the focus of most online courses is to give you a gist of how things work to help you crack an interview. Even though they can help with an interview, they will not teach you the implementation’s real deal. This is what will be changed with the course.
Herein, you will learn the theoretical concepts and their practical implementation. Hence, once you are through this course, you will know how to apply your learnings to your programming projects.
Course contents
This is the best place to learn data structures and algorithms and study the below-listed topics:
- Arrays
- Linked Lists
- Trees
- Hashtables
- Stacks
- Queues
- Heaps
- Sort algorithms
- Search algorithms
Learning Outcomes
Some things that you will learn with these data structures and algorithms classes are:
- Strengths and weaknesses of different data structures to help you pick the best structure
- Implementation of every data structure to understand their functionality
- Knowing some of the commonly used algorithms for data sorting for better app performance, especially when dealing with a larger data set
- Knowing what is available in JDK for sorting data, so you save some time
Prerequisites
This is the best DSA course online for intermediate learners. You need prior knowledge and experience with Java or any object-oriented programming language.
Who should take this course?
This is the best data structures and algorithms training for developers who have prior Java or any OO language knowledge and want to understand data structures and algorithms better. Anyone who seeks a job promotion or consulting opportunity in the field will also find this a good course.
Dipendra B.
“Very good explanations, well organized and very efficient with the examples and practice materials. Highly recommend this course.
3. Python for Data Structures, Algorithms, and Interviews! – [Udemy]
| Rating | 4.5 |
| Enrolled | 70,306 students |
| Duration | 16.5 hours on-demand video |
| Instructor | Jose Portilla |
| Paid | Yes |
| Certification | Yes |
| Return or refund policy | 30-Day Money-Back Guarantee |
| Cons | Sadly, the problem with this course is that for every topic that needs greater detailing, the instructor will recommend referring to Wikipedia or an article on the internet. This can be disappointing for the learners. |
This data structures and algorithms training course can help you ace interviews and get familiar with the subject. There will be four mock interviews conducted to give you a gist of the industry.
Learning Outcomes
This is the best data structures and algorithms course online for you to learn:
- Essentials of a great resume
- Creating an exceptional Github and LinkedIn profile for the recruiters
- Understanding significant data structures and algorithms
- Excelling at the coding interviews by preparing with mock interviews
- Building your network to get better job opportunities
- Knowledge of all the latest job search tools online
- Understanding of the non-technical questions that you will be asked in an interview
- Knowledge of some post-interview topics, such as references preparation and salary negotiation
- Stacks Queues and Deques, Array Sequences, Graph Algorithms Recursion, Jupyter Notebooks Overview, Riddles and Brainteasers, Linked Lists, Algorithm Analysis and Big-O Notation, Searching and Sorting Algorithms, and Trees
Prerequisites
Though Udemy is one of the best websites to learn data structures and algorithms. However, it is an intermediate-level course, and you require primary or intermediate level skills and knowledge for the same. Beginners can consider taking the Complete Python Bootcamp course by the instructor.
Who should take this course?
This is the best place to learn data structures and algorithms for students who already have Python programming knowledge and wish to start their tech careers.
Z A.
“This is an amazing course. I use it together with Leetcode to prepare for interviews. It is very well organized and I just enjoy how Jose organizes his course. I highly recommend it.
4. Algorithms Data Structures In Java #1 (+Interview Questions) – [Udemy]
| Rating | 4.4 |
| Enrolled | 17,989 students |
| Duration | 19 hours on-demand video |
| Instructor | Holczer Balazs |
| Paid | Yes |
| Certification | Yes |
| Return or refund policy | 30-Day Money-Back Guarantee |
| Cons | The instructor does not cover the topics in detail. |
This is the best DSA course online, wherein you will implement problems associated with Java. In every chapter, you will gather theoretical knowledge on the subject, followed by the step-by-step technique to write the code in Java or Eclipse.
Since most advanced algorithms are based on it, understanding the basics can help you in the long term. Your learned principles can be applied in electronic trading algorithms on the stock market, artificial intelligence, and investment banking.
Please bear in mind that to get a grip over the course contents, we recommend you type the data structures multiple times.
Learning Outcomes
As part of this data structures and algorithms training, you will learn the following:
- Fundamentals of data structures and algorithms
- Knowledge of linked lists and arrays, queues and stacks, binary search trees, hash tables and hashtags, external memory and B-trees, heaps and priority queues, balanced binary search trees, such as red-black trees or AVL trees
- Detection of the non-optimal code snippets
Prerequisites
Udemy is the best website to learn data structures and algorithms. But, it is an intermediate course, and the learners should have basic Java knowledge or understanding of any other OOP.
Who should take this course?
This is the best data structures and algorithms course online for:
- Scientists
- Software developers
- Anyone who wishes to learn algorithmic thinking
Udemy User.
“amazing…this course really helpful for me to understand datastructure and their real time applications.
5. JavaScript Algorithms and Data Structures Masterclass – [Udemy]
| Rating | 4.8 |
| Enrolled | 100,543 students |
| Duration | 21.5 hours on-demand video |
| Instructor | Colt Steele |
| Paid | Yes |
| Certification | Yes |
| Return or refund policy | 30-Day Money-Back Guarantee |
| Cons | There are many unimportant theory topics in this course, making the course unnecessarily long. |
Next, we have the best course for data structures and algorithms, which has compiled several months of interviewing preparatory material and computer science concepts in a video.
This is the best place to learn data structures and algorithms as the course is hugely interactive. Each of the problems in the course comes with a walkthrough video and accompanying solution file.
In addition, there are several tips and tricks to help you solve a common problem. Lastly, you will find several animations and diagrams, making the course more engaging.
Learning Outcomes
This is the best DSA course online for:
- Learning everything that is needed to excel the complicated coding interviews
- Getting well-versed with several algorithms, especially the six sorting algorithms – Bubble, Selection, Insertion, Quick, Merge, and Radix Sort
- Implementing more than 10 data structures from scratch
- Bettering your problem-solving skills with a five-step approach
- Everything needed to be a better developer.
- Analyzing the code’s time and space complexity with Big O notation
- Recursion and Common programming patterns
- Dynamic Programming
- Traverse trees and graphs
- Dijkstra’s Shortest Path Algorithm
Prerequisites
For these data structures and algorithms classes, you need:
- Prior JavaScript Syntax knowledge
- However, no past computer science or data structure experience is needed
Who should take this course?
These data structures and algorithms classes are meant for:
- Anyone who is preparing for programming interviews
- Anyone wishing to better their problem-solving skills
- People who aspire to be a better developer
Kayla S.
“This course was straightforward and easy to follow. Thank you for such an amazing course. I learned some very crucial concepts in this course. I tend to get confused by other teachers, but I was able to follow along with the content.
6. Data Structures A-Z : Data Structures + Algorithms Bootcamp – [Udemy]
| Rating | 4.8 |
| Enrolled | 19,325 students |
| Duration | 7.5 hours on-demand video |
| Instructor | Vinoth Parthasarathy |
| Paid | Yes |
| Certification | Yes |
| Return or refund policy | 30-Day Money-Back Guarantee |
| Cons | The trainer speaks too fast. Hence, communication can be pretty problematic for the students. |
The primary objective of this best DSA course online is to offer you the most updated and comprehensive guide to be thorough with data structures and algorithms.
A great thing about this course is that it is full of fun and practical examples. So, you will learn everything hands-on. So, once you are through with the course, you will emerge into a professional programmer who can write codes fluently.
Learning Outcomes
This is the best course for data structures and algorithms. In this course, you will learn:
- Coding principles
- Writing codes efficiently by selecting suitable data structures and algorithms
- Knowledge of data structures, such as Arrays, Linked Lists, Hash tables, Trees, Graph, Stacks, Queues, and Sort algorithms and Search algorithms
- Selecting the suitable data structures and algorithms
- Basics of data structures and algorithms
- Knowledge of some prevalent algorithms and their use and cause
- Cracking the coding interviews
- Applicability and usability of data structures
Prerequisites
These data structures and algorithms classes are meant for complete beginners with no prior knowledge. The course is designed from scratch and gradually moves to advanced topics. However, you surely need:
- Desire to learn new skills
- Time
- Patience
- Work Ethic
- Enthusiasm
Who should take this course?
This data structures and algorithms training is meant for:
- Anyone who wishes to elevate their programming skill
- Someone wanting to be a better programmer
- Anyone who is hoping to crack their coding interview
- People wishing to better their problem-solving skills
- Beginners with no prior experience
- Pro developers wishing to refresh their skills or bridge some gaps
Vidhyasri K.
“It is a very good course. Explaining through real time examples helped a lot to understand very easily and quickly.
7. Introduction to Data Structures & Algorithms in Java – [Udemy]
| Rating | 4.5 |
| Enrolled | 22,095 students |
| Duration | 5 hours on-demand video |
| Instructor | Raghavendra Dixit |
| Paid | Yes |
| Certification | Yes |
| Return or refund policy | 30-Day Money-Back Guarantee |
| Cons | More detail on programming interpretation could have been helpful. Also, the video quality can be made better. |
Next, we have the best course for data structures and algorithms. It is an engaging and highly interactive course full of graphics and animations that make the lectures easy to digest and understand. Upon course completion, you will overcome your fear of working with data structures and algorithms.
Learning Outcomes
In this data structures and algorithms course online, you will learn several things. Some of them are:
- Different data structures and algorithms
- Implementation of data structures and algorithms recursion
- Writing your algorithms
- Fundamentals of data structures – arrays, linked lists, stacks, queues, trees and heaps
- Basics of algorithms – various sorting algorithms and algorithms for operations on binary search trees and heap
Prerequisites
Udemy is the best website to learn data structures and algorithms, which is well-proven from this course. Moreover, it is a great introductory course. So, any student with fundamental Java or any other programming language knowledge can take this course.
Who should take this course?
These data structures and algorithms classes are suitable for:
- Anyone appearing for interviews
- Anyone who needs to learn data structures and algorithms from the ground up
- People who wish to bridge the gap in the understanding of data structures and algorithms
- People interested in learning the data structures and algorithms fundamentals
Prasanti P.
Very nice course with clear explanation on every topic. Also, the assignments are good.
8. Master the Coding Interview: Data Structures + Algorithms – [Udemy]
| Rating | 4.7 |
| Enrolled | 142,738 students |
| Duration | 19.5 hours on-demand video |
| Instructor | Andrei Neagoie and Zero To Mastery |
| Paid | Yes |
| Certification | Yes |
| Return or refund policy | 30-day money-back guarantee |
| Cons | The course is meant solely for beginners. If you have some former knowledge of Data Structures and Algorithms, you can skip this course. |
Do you wish to bag a job in one of the top-class tech companies or crack interview questions like a pro? If yes, this is the best course for data structures and algorithms. With the strategies imparted in the course, you can learn to land offers from all the top and high-end companies.
Learning Outcomes
This is the best place to learn data structures and algorithms. In this course, you will learn:
- How to ace coding interviews by reputed tech companies
- Being better prepared for your coding interview
- Implementation and use of various data structures and algorithms
- Grabbing more interviews
- Handling offers
- Negotiating raises
- Being well-acquainted with computer science fundamentals
- Data structures topics, such as:
- Arrays
- Hash Tables
- Singly Linked Lists
- Doubly Linked Lists
- Queue
- Stacks
- Trees (BST, AVL Trees, Red-Black Trees, Binary Heaps)
- Tries
- Graphs
- Data algorithm topics, such as:
- Recursion
- Sorting
- Searching
- Tree Traversal
- Breadth-First Search
- Depth First Search
- Dynamic Programming
Prerequisites
For this data structures and algorithms course online, you will need the fundamental knowledge of any one programming language, preferably Java.
However, there is no need for you to possess any knowledge of data structures or algorithms. In addition, you also do not need prior computer science knowledge.
Who should take this course?
These data structures and algorithms classes are meant for:
- Developers, Programmers and Engineers interested in bettering their interviewing skills
- Anyone who wishes to amplify their whiteboard coding skills
- People wanting to be a better developer
- A self-taught programmer who does not possess a computer science degree
Abhigyan P.
Just amazing! I have built my foundation from this course. Not only that, it helped me in learning in a new way! Sir, I love your way of teaching! Thanks Andrei Sir.
9. Data Structures and Algorithms Specialization – by University of California San Diego – [Coursera]
| Offered by | University of California San Diego |
| Rating | 4.6 |
| Enrolled | 268,075 students |
| Duration | Approximately 8 months to complete Suggested pace of 6 hours/week |
| Instructor | Neil Rhodes, Pavel Pevzner, Daniel M Kane, and Alexander S. Kulikov |
| Paid | Yes |
| Certification | Yes |
| Return or refund policy | 14 days from the date of purchase |
| Cons | Firstly, the instructor needs to slow down with their communication pace. Also, the transcript should be worked upon. It has some errors. |
Coursera is undoubtedly the best website to learn data structures and algorithms. As part of this course, you will play with about 50 algorithmic puzzles on your smartphone. This can help you amplify your algorithm intuition.
In addition, you will be working on over 100 programming challenges often seen in top-tier tech companies. The instructors are responsive, and you will instantly receive feedback on your solutions.
You will study the same material covered by the undergraduate students in “Algorithms 101” at top universities and more.
Learning Outcomes
In this best DSA course online, you will learn:
- To apply algorithmic techniques and data structures
- To navigate in a Big Network
- To assemble a genome of a deadly pathogen from millions of short substrings of its DNA
Prerequisites
This is an intermediate-level best data structures, and algorithms course online. For this course, you must have a fundamental clarity on at least one of the programming languages – C++, Java, Python, C, C#, JavaScript, Haskell, Kotlin, Ruby, Rust, Scala.
In addition, you must have basic knowledge of discrete mathematics – proof by induction, proof by contradiction.
10. Data Science Foundations: Data Structures and Algorithms Specialization – Offered by University of Colorado Boulder – [Coursera]
| Offered by | University of Colorado Boulder |
| Rating | 4.7 |
| Enrolled | 6,169 students |
| Duration | Approximately 3 months to complete Suggested pace of 9 hours/week |
| Instructor | Sriram Sankaranarayanan |
| Paid | Yes |
| Certification | Yes |
| Return or refund policy | 14 days from date of purchase |
| Cons | The lectures seem pretty repetitive. |
This specialization is a cluster of three data structures and algorithms classes. You can take the specialization as part of CU Boulder’s Master of Science in Data Science (MS-DS) degree offered on the Coursera platform.
Learning Outcomes
There are many things you can expect to learn in these classes:
- Organizing, storing, and processing data efficiently with sophisticated data structures and algorithms
- Creating apps aided by top-end algorithms and structures
- Analyzing the algorithm complexity in terms of space usage and time
- Fundamental algorithm searching, indexing, and sorting concepts
- Data structures, such as arrays, hash-tables, heaps, trees and graphs
- Algorithms, such as sorting, searching, traversal and shortest path
Who should take this course?
This is the best data structures and algorithms course online for:
- Students interested in programming apps that can process large chunks of data
- Students familiar with Python fundamentals
Prerequisites
This is an advanced-level best DSA course online. For this, you need Python programming experience. Knowledge of calculus – derivatives and integrals and probability theory – distributions, expectations, and moments.
11. Algorithms, Part I – Offered by Princeton University – [Coursera]
| Offered by | Princeton University |
| Rating | 4.9 |
| Enrolled | 930,168 |
| Duration | Approx. 54 hours to complete |
| Instructor | Kevin Wayne and Robert Sedgewick |
| Paid | Free |
| Certification | No |
| Return or refund policy | No |
| Cons | There are multiple technical issues across the course. |
This is the best data structures and algorithms course online. It is an intermediate-level free course. So, there is no certification included.
Learner Career Outcomes
- Twenty-two percent of people started a new career post-course completion.
- Twenty-five percent of people received a tangible benefit from the course.
Learning Outcomes
As part of this course, you will learn possibly everything that a skilled programmer is supposed to know about data structures and algorithms, focusing on scientific performance and application analysis of Java implementation.
BJ.
“Good contents and the logic of the whole course structure is very clear for a novice like me. The weekly homework is also awesome. Would recommend to anyone who wants to learn about computer science.
Bonus Best DSA Course Online
1. Intro to Data Structures and Algorithms – Offered by Grow with Google – [Udacity]
There is a definite pattern followed in technical interviews, and if you know the design, you are already ahead of your competitors. This is the aim of this data structures and algorithms course online.
There will be mock interviews, practice questions, and quizzes to help assess your abilities. It is a free course that can be completed in four weeks. It is a 100% online course that follows self-paced learning.
Learning Outcomes
In this course, you will learn:
- Prevalent data structures and algorithms in Python
- Frequently-asked technical interview questions
- Structuring your responses in the interview
Who should take this course?
These are intermediate-level data structures and algorithms classes. So, you must possess prior knowledge to take the course.
2. Data Structures and Algorithms – [Udacity]
Next, we have the best DSA course online. It is a hands-on course wherein you will be working on over 80 practice questions. You will start with the defined problem associated with a particular data structure and algorithm. The whole course will take about four months for completion at a suggested pace of 10 hours every week.
Learning Outcomes
In this data structures and algorithms training, you will learn the following:
- Data structures and algorithms
- Evaluation and assessment of different data structures and algorithms for all open-ended problems
- Solution implementation according to your preferred design
Prerequisites
For this best data structures and algorithms course online, you need:
- Intermediate Python Programming language
- Fundamental algebra knowledge
3. Data Structures and Algorithms – by Georgia Tech – [edX]
The next best course for data structures and algorithms is presented to you by edX. It is a cluster of 4 skill-building courses. It is a self-paced, online course where you can progress at your pace. This is a five-month course and will need a weekly effort of nine to ten hours.
Learning Outcomes
edX is the best place to learn data structures and algorithms. In this course, you will learn:
- Differentiating between linear data structures and picking the proper structure for the situation
- Analyzing the data structure performance using the course visualization tool
- Knowledge of nonlinear/hierarchical data structures
- Understanding of tree operations & algorithms
- Learning about the probabilistic data structures
- Knowledge and difference between various complex tree data structures, their implementation, and self-balancing techniques
- Understanding of the Divide and Conquer sorting algorithms
- Implementation of the Pattern Matching algorithms
- Learning the essential graph traversal algorithms
4. Algorithms and Data Structures – Part 1 – [Pluralsight]
Next, we have another best course for data structures and algorithms. It will take you through the core data structures and algorithms, which are pivotal for applications globally. This is a hands-on course. So, you will learn to apply everything you grasp.
Learning Outcomes
In this data structures and algorithms training, you will learn:
- Data structures and algorithms used in app development
- Prevalent structures and associated algorithms
- Analyzing different algorithms
- Knowledge of other data structures, such as linked lists, stacks, queues, binary search trees, and hash tables
- Bettering a real-world application to use the data structures
5. Programming Foundations: Data Structures – [LinkedIn Learning]
Lynda or LinkedIn Learning is another best place to learn data structures and algorithms. Through this course, your instructor Kathryn Hodge offers a detailed overview of the vital data structures for programming.
You will learn simple grouping techniques followed by complex data structures. Upon completion, you will better understand data structure and know its usability.
These are a 2 hour and 20-minute data structures and algorithms classes for intermediate learners. This is a paid course, and you earn a certification on completion.
Conclusion
So, these are the top 16 best courses to learn about data structures and algorithms. Browse through each of the listed courses, and make your selection for the best data structures and algorithms course online.
