How to learn Data Structures and Algorithms online

How to learn data structures and algorithms online, nowadays, is the most frequently asked question on the internet by budding programmers as online learning is easy and is getting popular among the community day by day.

If you are in search of the right platform or website to learn data structures and algorithms, well by the end of this discussion you will definitely find a worthy platform for your learning.


Importance of Data Structures and Algorithms in Programming

A lot of beginners and professional developers avoid learning data structures and algorithms because it is quite complex and they usually think that there is no use of data structures and algorithms in real life. So, before we talk about the topic, I am going to toss a simple problem at you and you have to discover the answer to that.

If you have to look through your roll number in 20000 pages of PDF document (roll numbers are organized in increasing order) how might you do that?

The most efficient way to solve this problem is by using data structures for fast searching and lookups.


Best way to learn Data Structures and Algorithms

Data structures and algorithms are probably the most important topics for developers whether to find a job or to do well in their coding projects as well as for computer science students to score well in their programming courses.

Again, “How to learn data structures and algorithms online”, I have encountered this question quite often in many online discussions. And, frankly, there’s no best way to learn Data Structures and Algorithms.

There are many sources that you can learn from and the best way to learn data structures and algorithms is to learn tidbits from some of them in cohesion.

To write an effective code, you must have a good knowledge of data structures and algorithms in the entire sense.

Right now, I am going to brief you about how to learn data structures and algorithms online. I will share some best platforms and websites to learn data structures and algorithms online. These websites will help you in leaning data structures and algorithms in following 7 popular programming languages :

  1. Javascript, best for Web developers
  2. C++, best for ‘old-timers’
  3. Python, best for the data scientists
  4. Java, best for backend developers
  5. Swift, best for iOS engineers
  6. C#, best for Microsoft experts
  7. Go, best for early adopters of tech

So here we go!


Best Websites to learn Data Structures and Algorithms (Free + Paid courses)

Let me explain a little more about the best website to learn data structures and algorithms. There are multiple worthy sources where you can learn data structures and algorithms from basics to a professional level.

Here is my list of some top websites that will tell you about the best data structures and algorithms courses that come at very low prices and some of them even for free.

Some popular and easily understandable websites are as follow:


1. Udemy

Course QualityHigh
Course Value in IndustryMedium
Price$7-$12

If you are looking for valuable paid online courses on data structures and algorithms, that are easy on your pocket, you can go on Udemy. This platform is extremely impressive in teaching online technical courses. There, you can find the best data structures and algorithms course in python, Java and almost all programming languages.

Just look at this image below. I searched “Data Structures and Algorithms” in the search bar of Udemy and I got over 10,000 search results! Isn’t that the best website to learn Data Structures and Algorithms?

How to learn data structures and algorithms online

The course on Udemy ranges between $7 and $12 per course. This makes this website really amazing. These are quality courses at such affordable prices. No one waits for the second day to buy a course from here!


2. Coursera

Course QualityHigh
Course Value in IndustryHigh
PriceScholarships

You can check Coursera to find a suitable course of data structures and algorithms just according to your experience level.

Coursera stands for courses that have really high brand value and so are its courses on data structures and algorithms. These courses are taught by the professors of top institutions around the globe. This will surely help you in making your resume seem more loaded with a quality education from quality institutes.

Just look at those premier institutions offering those programs on Coursera. So, if you are someone who is looking to get hold of some good brands onto your resume, and that is one of your big objectives, Coursera should be your choice.


3. AlgoExpert

Course QualityHigh
Course Value in IndustryMedium
Price$85

Now, AlgoExpert is the new kid on the block but by far the most promising one, especially because of its focus on Data Structures and Algorithms.

AlgoExpert is offering all types of courses in 7 popular languages
They have explanation videos, several hand-picked questions for preparing you for the interview and provide written code solutions of the 7 popular languages that I mentioned above.

Recently, this platform has made a lot of buzzes and I have been hearing ‘is AlgoExpert worth it?’ . Well. if you are preparing for a job interview and need some tips for the interview then you should go for AlgoExpert.

There aren’t many AlgoExpert Reviews out there on the internet, but if you look at the instructors who are teaching this course, you will get an idea that this will be a good one.

This is what the workspace of AlgoExpert looks like. Those of you who are Data Scientists and have learned it from DataCamp would feel that the look and feel of this workspace is similar to the DataCamp workspace.


4. Codecademy

Course QualityMedium
Course Value in IndustryMedium
Price$15.99/month

Codecademy is a go-to place for a lot of new and aspiring coders out there. Codecademy teaches coding in many languages and data structures and algorithms is just one of there courses.

So if you are someone who is familiar with Codecademy and have learned coding from it earlier, it will be worthwhile for you to learn from here. As you can see, the Data Structures and Algorithms programs are a part of its Codecademy Pro subscription which goes at $15.99 per month.

My suggestion here would be that if you are planning to learn Data Structures and Algorithms from Codecademy then set aside one month, take the susbcription for a month and cancel it if you don’t wish to continue.

But I am sure, that the learning experience on Codecademy will be a really good experience.


Best books on Data Structure and Algorithms

If you are a person who loves to read and understand books with your self-learning quality then you shouldn’t be asking the question of how to learn data structures and algorithms online. Just visit the Amazon website and grab your most fitting book on data structures and algorithms.

I am going to share some of the best-seller books on data structures and algorithms.


1. Teach Yourself Data Structures and Algorithms in 24 Hours

Here’s is a book by Robert Lafore, where you can learn data structure and algorithms in 24 hours. If you are someone who can go through the 500+ pages of this book with full dedication in 24 hours, then yes, you will teach yourself Data Structures and Algorithms in just 24 hours. Otherwise, you can just simply take your time. Check the discount on Amazon.


2. Introduction to Algorithms, 3rd Edition (The MIT Press)

The following book from MIT will help you to learn data structures and algorithms from scratch. This is one book that is highly regarding by professors from Yale University. The book uniquely combines rigor and comprehensiveness and brings all the knowledge to the reader in the form of well crafted small chapters. Check the discount on Amazon.


3. Data Structures and Algorithms in Java, 2nd Edition

This is another book by Robert Lafore, who is also the author of the first book that I mentioned in the list. Data Structures & Algorithms in Java by Robert Lafore is even more detailed than the ‘Teach Yourself Data Structures and Algorithms in 24 hours’ book. Quite a lot of people consider this book to be the bible of this topic and the respect for this book can be seen in the Amazon reviews. Check the discount on Amazon.


4. Cracking the Coding Interview: 189 Programming Questions and Solutions, 6th Edition

If you are preparing for a coding interview and looking for the best way to learn data structures and algorithms, then this book will help you a lot in preparing for your interviews.
The author, Gayle Laakmann McDowell is the founder and CEO of CareerCup and has worked at companies like Google, Microsoft, and Apple. This book brings to you 189 programming interview questions, ranging from the basics to the trickiest algorithm problems. Check the discount on Amazon.


5. C++ Programming: Program Design Including Data Structures, 6th Edition

If you are looking to learn data structure and algorithms in C++, the best book that I personally recommend is this book by Prof. D.S. Malik. This is a book I have personally studied and have enjoyed the learning experience that it provides. D.S. Malik is a Professor of Mathematics at Creighton University. Check the discount on Amazon.


Free platforms to learn Data Structures and Algorithms

I know you are probably thinking that free platforms or courses are not as much help as the paid ones. But this is far from the truth. In fact, free platforms to learn Data Structures and Algorithms are the best platforms to start with.

With the help of these free platforms you will learn basic and essential data structures like linked lists, stacks, queues, binary trees, and hash tables, and searching and sorting algorithms like binary search, bubble sort, mergesort, insertion sort, etc.

YouTube can be the best free source to learn data structures and algorithms. There are just so many good instructors teaching corresponding content to learners of all experience level programming. You can not only learn tips and techniques if you are an expert but also all the basics as well. It will surely help you to initiate your learning process.

Here’s the full tutorial by William Fiset explaining data structures from easy to advance level. It’s an 8-hour video and from it, you can learn data structures and algorithms in just a matter of hours.


Conclusion

I was just amazed at how much is this question there in every beginners’ mind – “How to learn data structures and algorithms online”. And therefore, I had to write out this entire article to tell you about the best ways to learn Data Structures and Algorithms online.

You already know that for being a good programmer, courses on Data Structures and Algorithms are crucial either to find a job or perform well in an existing job.

The topic is generally taught in universities to the computer science students but the students failed to grab its value at that time. So, people search how to learn data structures and logarithm online after realizing its worth when they enter the programming world.

Many websites are proving themselves quite useful in providing guides to data structures and algorithms like Algoexpert, Udemy, Coursera and GeeksForGeeks, etc. Also, many books on Amazon are also playing a vital role in helping people to master the course of data structure and algorithms.

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