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

2,188 ratings

About the Course

How do Java programs deal with vast quantities of data? Many of the data structures and algorithms that work with introductory toy examples break when applications process real, large data sets. Efficiency is critical, but how do we achieve it, and how do we even measure it? This is an intermediate Java course. We recommend this course to learners who have previous experience in software development or a background in computer science, and in particular, we recommend that you have taken the first course in this specialization (which also requires some previous experience with Java). In this course, you will use and analyze data structures that are used in industry-level applications, such as linked lists, trees, and hashtables. You will explain how these data structures make programs more efficient and flexible. You will apply asymptotic Big-O analysis to describe the performance of algorithms and evaluate which strategy to use for efficient data retrieval, addition of new data, deletion of elements, and/or memory usage. The program you will build throughout this course allows its user to manage, manipulate and reason about large sets of textual data. This is an intermediate Java course, and we will build on your prior knowledge. This course is designed around the same video series as in our first course in this specialization, including explanations of core content, learner videos, student and engineer testimonials, and support videos -- to better allow you to choose your own path through the course!...

Top reviews


Oct 12, 2017

Great into to Java, instructors have clearly put thought in to the format with the choose your own learning style videos, and additional coverage where it may be needed. These have been very helpful.


Dec 18, 2015

The course curriculum is well designed and teaches students the basic data structures needed to be a successful software engineer. The project is good, and the weekly assignments are challenging.

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176 - 200 of 438 Reviews for Data Structures and Performance

By Joshua D P

Dec 23, 2015

What l learn is how cool is data structure and how useful in real world.

By Sudharaka P

Feb 17, 2016

Great course. I learnt a lot about data structures and Java in general.

By Matt S

Oct 11, 2020

Great class to learn more advanced Java concepts and general CS stuff.

By Aman S T

Jul 20, 2019

The lectures are really good. And content provided was really helpful.

By Alysha V

Apr 9, 2021

Very well structured course with an AutoGrader for coding assignments

By Mehul R

Feb 29, 2016

Loved it .

Best MOOC specialization i have attended.

Thanks a lot!!!

By Ziwei L

Apr 18, 2016

clear logic and you could get to know data structure in a fast pace

By Red T

Oct 19, 2020

More than i expected. I loved this course, was a real experience.

By Priyanka G

Nov 14, 2018

Very useful in growing your knowledge as a software professional.

By Avijit S

Sep 30, 2018

Very good explanation of major and commonly used data structures.

By Yubo T

Jun 18, 2017

detailed and condense lecture, lots of hands on practical project

By Nidhi V

Sep 24, 2017

Good material and systematic in teaching concepts. Great course!

By Roberto R

Apr 8, 2017

I love the course, good explanation of basics in Java.... NEEDED

By Abhishek N

Jun 11, 2016

A very good course. Sets a very strong base in data structures.

By André L d O D

Oct 31, 2015

Interesting approach of core and support tracks! Great content.

By Melburne R

Sep 16, 2018

The best course to learn fundamental data structures in java!!

By Yagmyr B

Jun 30, 2018

Great course! Thanks so much for putting this course together.

By 李紹弘

Jul 25, 2017

This course helps a lot for my concept of Java Data Structure.

By md t a

Nov 23, 2016

Content is well organised and explanation is really very good


Jan 4, 2019

Super great course! I would recommend this to any developer.

By Qianli S

Jun 17, 2017

Nice course with extensive tutoring. Thank you instructors!!

By Kareem E

May 4, 2016

great course and valuable material that is worth to learn .

By Thomas H

Jan 23, 2016

Very challenging, but totally rewarding and worth the effot!

By Aakash K

Jun 27, 2020

Amazing teaching resources and way especially by Mia ma'am.

By Deleted A

Dec 31, 2015

This course is great and uses real world projects to teach.