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Learner Reviews & Feedback for Data Structures by University of California San Diego

5,376 ratings

About the Course

A good algorithm usually comes together with a set of good data structures that allow the algorithm to manipulate the data efficiently. In this online course, we consider the common data structures that are used in various computational problems. You will learn how these data structures are implemented in different programming languages and will practice implementing them in our programming assignments. This will help you to understand what is going on inside a particular built-in implementation of a data structure and what to expect from it. You will also learn typical use cases for these data structures. A few examples of questions that we are going to cover in this class are the following: 1. What is a good strategy of resizing a dynamic array? 2. How priority queues are implemented in C++, Java, and Python? 3. How to implement a hash table so that the amortized running time of all operations is O(1) on average? 4. What are good strategies to keep a binary tree balanced? You will also learn how services like Dropbox manage to upload some large files instantly and to save a lot of storage space!...

Top reviews


May 23, 2016

I like this course very much! Rope is the cleverest task I have ever done! Of course, I hope in future I will work on even more difficult problems, but this is pretty good already for me as a student!


Jul 9, 2020

I think the course content and assignments were great. A suggestion though, it will be more helpful if there are more and varied corner cases that would save time spent in thinking and making cases.

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301 - 325 of 906 Reviews for Data Structures

By Muhammad A F B

Oct 4, 2020

Thank You So Much For Learning These Skills Help Me IN Future

By Juan D B P

May 12, 2020

Very well presented, at a good pace, and very good excersices

By Denis S

Jan 13, 2020

Awesome course, great compilation of programming assignments!

By Raj S

Jan 5, 2020

Learned something that i would have never learned otherwise.

By Rohit R A

Jul 6, 2019

Everything has been taught from basics. It is a good course.


Nov 23, 2020

This course is really helpful for me to grow as programmer.

By Andy L

Aug 11, 2020

Learn a lot about the data structure, it's helpful on work.

By Joseph G N

Mar 3, 2018

An amazing course, I hope to finish all the specialization.

By Vladislav V

Sep 21, 2016

Feels a bit rushed, but overall it's great and challenging.

By Sajal R

Jun 28, 2022

Great Course... Instructors explaination were exceptional.

By Ahsanul A S

Jul 23, 2020

Great course to increase anyone's problem-solving ability.

By 李伟超

Apr 12, 2016

the problem is very good,the teacher has a good teaching.


May 21, 2021

It is very Good course and helped me a lot in coding part

By Jose P H

Jan 1, 2018

Great course. Very well prepared programming assignments.

By Arseny A

Dec 27, 2016

Amazing course especially final task, I've learned a lot.

By Piyush M

Feb 3, 2018

It is a very good course to clear basic data structures.

By Ashok Y

Feb 2, 2022

very good experience i am experience with this course

By Samia A

Aug 31, 2020

It was a great experience learning from this course..

By Dileep K - M

Jan 3, 2023

This course is really helpful for me. Thank you Sir!

By Sagarika

Jan 7, 2022

Teaching was awesome and got to learn so many things

By shiva

Jan 3, 2022

It is indeed an informative course. Well designed !!

By José J L A

Jul 8, 2021

Excellent course!! Really learned Data Structures!!


Apr 22, 2021


By Enrique A

Oct 27, 2020

Mil Gracias maestro Alexander, Mil Gracias Coursera.

By Ritabroto G

Aug 21, 2020

Daniel Kane may be a genius, but he ain't no teacher