I really liked this course, I liked the teachers, and the way they explained, I am very grateful that they gave me access to financial assistance in connection with the war in my country, thanks to this course I learned a lot, writing the first program with a graphical interface, adding markers, setting up interactivity in the application, class inheritance, polymorphism, data sorting, and sorting types, writing correct algorithms

Really good stuff to learn! Java & Algorithms used to be headache to me, cuz many concepts are involved and I don't know ever how pieces of codes work together in Java. While the course itself is project-based, I do not feel tired anymore and I am really interested!! Though the project seems tough sometimes, overall it is really an excellent experience for me and I really recommend this course to all of those who struggle in Java!

Pefrect course for beginners like myself. Everything was really well explained but not too slow either, the way things were presented was easy to follow, but also interesting; touching subjects close to real life problems we might encounter. Last, but not the least (on contrary), lecturers were really easy to listen, they explained everything well, but the feeling wasn't too strict or overly professional. It was a joy. :)

great introduction to some java and CS fundamentals (the reason I (and others probably) are taking the class). I like how the project gets you to look at real code, not "baby code" with only a car class and some type of extension of that class. Here you get to actually incorporate/use data and analyze and display it on a map. And the extension part of the project lets you explore and have fun with java and the project

Easy to comprehend, full of examples, a lot of challenges, excellent teachers, and everything! I love this course's programming assignments as those assignments show me directly the "real" application of each week's topic.

The most extremely valuable thing that I got from this course is that I now can read documentation properly. I thought that reading documentation is tedious, but now I know that it is very fundamental.

This course is an amazing introduction to Java programming, OOP and using libraries. It was fulfilling both on the practical and theoretical side. One of the amazing things the instructors did was emphasizing on the importance of using documentation and available libraries throughout the course project and how this would make us able to build amazing software simply without re-inventing the wheel.

Christine, Mia and Leo - you are absolutely fantastic!

To convey programming concepts with such enthusiasm, dedication and professionalism! The course is well designed and planned. The assignments are very interesting and actual. I would definitely recommend this course in my professional circles and to my friends.

Thank you very much!

In pleasurable anticipation of your next course. Thank you.

Fantastic course that does exactly what the tutors say. You feel challenged all the way without ever feeling overwhelmed, and the projects are so much fun to do. I just finished my degree in Computer Engineering and this course filled so many gaps in what I already knew. Congratulations to the MOOC team and UC San Diego for creating this amazing course and specialization. You guys rock!

Blown away by this course. Hands down the best I've taken on Coursera and in the running for best course ever. The manner in which the professors taught and tested us through the Concept challanges really clicked with me. Kind of wish I went here for undergrad. UC San Diego courses haven't dissapointed me so far. I am really excited for the next one in the specialization.

It's one of the best online courses I've ever found online with useful content that covers all the essential materials that one would need as a Java programmer. The instructors have invested so much time and effort to give you a thorough understanding to confront and solve the challenges that you might face while using object oriented programming approach in Java.

Great course, especially if you have some background in programming. With a lot of help from the lectures you develop a real life proyect since week 1, which is pretty awesome. The instructors' explanations are clear and simple. I had never had any contact with Java before and I feel like I have learned a lot. Thank you so much for this course!

Excellent course! 100% recommended!

Despite I had a strong background in computing and I found it a little bit easy, I really enjoyed the lectures and programming assignments and I have learned some interesting stuff.

In my case, I know how to program but I have coded in Matlab for too long. So I am finding the whole specialization very useful.

This is a great course with interactive tasks. It helps very well to improve skills in Java programming, especially in the field of object-oriented programming. Also a very interesting educational project with a map and various markers on it. I really liked the teachers, special thanks to them.

I recommend this course for those who study Java.

Interesting project, great pacing. The lectures are well designed and presented. The additional videos (quick interviews with industry vets, students figuring out a selection of code) are useful to reinforce understanding. Most of the knowledge here transfers smoothly (with syntax adjustments) to other languages and stacks, such as C#.

For me it can be difficult rating courses that cover material that I've already seen in some form before because sometimes it's the repetition that causes a concept to click. However, having never used Java, this really helped me to get a more solid grasp of OOP basics. The instructors are awesome and the pacing is just right.

Excellent explanation of material and pavement of the right thinking patterns in students. Definitely piqued a substantial interest for me to go back to school, but hey, no need! Love how the entire curriculum contains these mini challenges that pick your brain and prevent it from getting distracted. Great stuff, all around!

Very well guided course. Enjoyed the programming modules. The right difficulty and guidance to achieve the programming assignments without having to have interactive help from tutors. I feel like the lectures also gave me a good holistic view that is often missing from online courses. Thank you, I will recommend this course.

My intention behind taking this course was to brush up my knowledge on OOPs, but the insight i gained and faults i discovered in my understanding was an eye opener, how bad of an understanding i had before w.r.t. Object oriented programming. Glad i took this course, time spent well. Thanks Mia, Leo, Christine. Great stuff.

This course was difficult for me as I am new to Java and this is not an introductory course. I had to spend some serious time watching the videos, taking the quizzes and doing the weekly assignments. This course was well structured and included lots of good references, so I somehow managed to get through it successfully!

This course was so fun and really helped to bring back my programming skills after not using them for a few years. I would highly recommend this course. The professors tie in real world examples and help you understand why each concept is important beyond just the class, but for future jobs and programming assignments.

I have learned quite a bit on thinking about code. Memory models especially was a new concept for me. Now I can take that skill and apply to bigger projects if I want to run through and understand that better. I also like that we can watch students talking over the code. Awesome course and great personable teachers.

Great course for a fresher and experienced Java programmer. I've used Java from 1.0 - 1.4. But its been changing so fast in the last few versions, I wanted to catch up. This course gave me that. Instructions and tests were useful to validate what I knew and didn't. Decently paced as well. Kudos to the instructors.

Very Good Course. The Programming Assignment were a bit challenging. It first looked all alien but the Instructions were very helpful and I enjoyed a lot while doing it. This is the best course I have taken up on Coursera and for that matter any online course.It was very interactive. Thank you Coursera. Keep it up

This is a very well organized course, which shows clearly that the professors in charge have put real efforts to create its syllabus and training code. I have had a significant benefit by going through the course, and it helped me to implement OO techniques in a very detailed way. I highly recommend this course.

In this course, I could consolidate the concepts of inheritance and polymorphism. The theory part was focused and concise, and the main important points had clear explanations and examples. I also enjoyed the programming part, which linked the theory with a very interesting feature to monitore earthquakes.