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Functional Program Design in Scala

Functional Program Design in Scala

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8.5/10 (Our Score)
Product is rated as #11 in category Scala

In this course you will learn how to apply the functional programming style in the design of larger applications. You’ll get to know important new functional programming concepts, from lazy evaluation to structuring your libraries using monads. We’ll work on larger and more involved examples, from state space exploration to random testing to discrete circuit simulators. You’ll also learn some best practices on how to write good Scala code in the real world. Several parts of this course deal with the question how functional programming interacts with mutable state. We will explore the consequences of combining functions and state. We will also look at purely functional alternatives to mutable state, using infinite data structures or functional reactive programming. Learning Outcomes. By the end of this course you will be able to: – recognize and apply design principles of functional programs, – design functional libraries and their APIs, – competently combine functions and state in one program, – understand reasoning techniques for programs that combine functions and state, – write simple functional reactive applications. Recommended background: You should have at least one year programming experience. Proficiency with Java or C# is ideal, but experience with other languages such as C/C++, Python, Javascript or …

Instructor Details

Martin Odersky is a professor at EPFL in Lausanne, Switzerland. He has been working on programming languages for most of his career. He first studied structured and object-oriented programming as a PhD student of Niklaus Wirth, then fell in love with functional programming while working as a post doc at IBM and Yale. When Java came out, he started to add functional programming constructs to the new platform. This led to Pizza and GJ and eventually to Java 5 with generics. During that time he also developed javac, the current reference compiler for Java. Over the last 10 years, Martin worked on unifying object-oriented and functional programming in the Scala language. Scala quickly escaped from the research lab and became a popular open source tool and industrial language. He now oversees development of Scala as head of the programming group at EPFL and as chairman of the Typesafe company.

Specification: Functional Program Design in Scala

Duration 13 hours
Year 2016
Level Intermediate
Certificate Yes
Quizzes Yes

98 reviews for Functional Program Design in Scala

4.2 out of 5
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  1. Avatar

    Siyuan W

    there are a lil bit disordered of the course arrangement

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  2. Avatar

    John S

    Very enjoyable course!

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  3. Avatar

    Angelos M

    It is a really nice course but a bit dated.

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  4. Avatar

    Ignacio G S

    Excellent course from the best professionals in the world. The Futures content should be tested as well.

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  5. Avatar

    Antoine L

    This course felt a bit less fundamental than the Functional Programming Principles but offered some nice introduction to more advanced concepts that feel to bridge the gap between theoretical advantages and real world use cases. On the other hand the Monad concept which I often hear about still feels a bit fuzzy, I felt like less time was dedicated to theory in this course. This time again the exercises are challenging but fun and above all really help internalizing the concepts, although it feels like it will take me more work to really grok Signals not to mention Future which are not used in any exercises.

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  6. Avatar

    Marcin Z

    Better than the first part!

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  7. Avatar

    Subodh C

    The structure of course could be refined to be more coherent.

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  8. Avatar

    Joel V

    Provides an interesting theoretical bird view on: monads & its relation to for expressions, streams & lazy evaluation, elegant examples of mixing mutable and immutable data structures for stateful programs, and finally signals for event management. The exercises are fun ; ) and illustrative although not too challenging.

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  9. Avatar

    Joel V

    Provides an interesting theoretical bird view on: monads & its relation to for expressions, streams & lazy evaluation, elegant examples of mixing mutable and immutable data structures for stateful programs, and finally signals for event management. The exercises are fun ; ) and illustrative although not too challenging.

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  10. Avatar

    Bidhya N S

    The course is not structured well. Also concepts like monads and functors are not covered in detailed way.

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  11. Avatar

    Bidhya N S

    The course is not structured well. Also concepts like monads and functors are not covered in detailed way.

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  12. Avatar

    Patrik M

    I’ve enjoyed some lectures. But overall, this course was less educative than the first one in the Scala specialisation. I do appreciate Erik Meijer as a professional and a scientist. But, in my humble oppinion, he is not a great lecturer.

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  13. Avatar

    Patrik M

    I’ve enjoyed some lectures. But overall, this course was less educative than the first one in the Scala specialisation. I do appreciate Erik Meijer as a professional and a scientist. But, in my humble oppinion, he is not a great lecturer.

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  14. Avatar

    Malhar J

    The course was good but not as good/detailed as the first one. Martin did an excellent job as usual though. I felt the course content was interesting but got very dull towards the end. The assignments were not really challenging.

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  15. Avatar

    Malhar J

    The course was good but not as good/detailed as the first one. Martin did an excellent job as usual though. I felt the course content was interesting but got very dull towards the end. The assignments were not really challenging.

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  16. Avatar

    Light0617

    great!!!

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  17. Avatar

    Light0617

    great!!!

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  18. Avatar

    Alex L

    Definitely challenging. Sometimes there were some tricky gaps between what the lectures covered and what the assignments were looking for information wise.

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  19. Avatar

    Alex L

    Definitely challenging. Sometimes there were some tricky gaps between what the lectures covered and what the assignments were looking for information wise.

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  20. Avatar

    Andrius V

    Course material needs reviewing and updates

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  21. Avatar

    Andrius V

    Course material needs reviewing and updates

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  22. Avatar

    Ankur S

    Very Good. Some parts can be provided with some material to refer . Example reactive programming.

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  23. Avatar

    Santiago A

    The course is great. I put 4 stars because week 4 is very hard to follow up and may take more than one week.

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  24. Avatar

    Ankur S

    Very Good. Some parts can be provided with some material to refer . Example reactive programming.

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  25. Avatar

    Santiago A A

    The course is great. I put 4 stars because week 4 is very hard to follow up and may take more than one week.

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  26. Avatar

    Dmytro S

    This is actually a very good course. There are some inconsistencies but it’s actually good: when I fix them I have realized that I’ve learned more deeply. Anyway, this is a “must” course for someone who is learning Functional Programming Design.

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  27. Avatar

    Dmytro S

    This is actually a very good course. There are some inconsistencies but it’s actually good: when I fix them I have realized that I’ve learned more deeply. Anyway, this is a “must” course for someone who is learning Functional Programming Design.

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  28. Avatar

    Zeb S

    I suspect I am not alone in finding the fourth week of this course to be somewhat lacking. I agree with the majority of the feedback regarding the shortcomings of the final week; however, as a whole this was a fun course and I learned a lot.

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  29. Avatar

    Zeb S

    I suspect I am not alone in finding the fourth week of this course to be somewhat lacking. I agree with the majority of the feedback regarding the shortcomings of the final week; however, as a whole this was a fun course and I learned a lot.

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  30. Avatar

    Jonathan S R

    everything was intuitive and enjoyable

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  31. Avatar

    Jonathan S R

    everything was intuitive and enjoyable

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  32. Avatar

    Tihomir N

    One of the very top courses on Coursera. Prof. Martin Odersky, is truly incredible !

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  33. Avatar

    Tihomir N

    One of the very top courses on Coursera. Prof. Martin Odersky, is truly incredible !

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  34. Avatar

    Yichun Y

    The last week’s lectures are hard to grasp, but everything else is excellent!

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  35. Avatar

    Yichun Y

    The last week’s lectures are hard to grasp, but everything else is excellent!

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  36. Avatar

    Sebas O C

    nice

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  37. Avatar

    Sebas O C

    nice

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  38. Avatar

    Georgreen

    The intructor is very clear and the materail is intresting, enough to capture your attention.

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  39. Avatar

    Georgreen

    The intructor is very clear and the materail is intresting, enough to capture your attention.

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  40. Avatar

    Martiniano J

    In order to save time I will quote this other review By Abhinav P. that reflects 100% what I think: “I was optimistic about this course based on the previous course, because that course was consistent, self contained, and systematic. On the other hand, this course was clearly put together by throwing together, rather haphazardly, bits and pieces of other courses, some of which no longer even exist. This is outrageous; a course like this would never be taught at a prestigious institution like EPFL, and it is highly deceptive to give us a course, put together in a arbitrary, incoherent, Frankensteinish fashion, right after a course that was quite systematic and coherent. Week one and two were not bad, hence why I gave two stars instead of one. But week three involves a programming project that has literally nothing to do with the lectures at all. To be sure, I didn’t mind learning about Scala Check, but I had to do it pretty much entirely on my own; it was mentioned for about five seconds in the lecture videos. If I wanted to just read documentation without any actual teaching, why would I sign up for a course like this? And week 4! Coursera/whoever put this course together isn’t even trying anymore. The videos are clearly from multiple different courses, and Odersky himself makes references entire weeks worth of content that simply doesn’t exist anymore. This is a damn mess. In its current state, the course is simply not worth publishing.”

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  41. Avatar

    Martiniano J

    In order to save time I will quote this other review By Abhinav P. that reflects 100% what I think: “I was optimistic about this course based on the previous course, because that course was consistent, self contained, and systematic. On the other hand, this course was clearly put together by throwing together, rather haphazardly, bits and pieces of other courses, some of which no longer even exist. This is outrageous; a course like this would never be taught at a prestigious institution like EPFL, and it is highly deceptive to give us a course, put together in a arbitrary, incoherent, Frankensteinish fashion, right after a course that was quite systematic and coherent. Week one and two were not bad, hence why I gave two stars instead of one. But week three involves a programming project that has literally nothing to do with the lectures at all. To be sure, I didn’t mind learning about Scala Check, but I had to do it pretty much entirely on my own; it was mentioned for about five seconds in the lecture videos. If I wanted to just read documentation without any actual teaching, why would I sign up for a course like this? And week 4! Coursera/whoever put this course together isn’t even trying anymore. The videos are clearly from multiple different courses, and Odersky himself makes references entire weeks worth of content that simply doesn’t exist anymore. This is a damn mess. In its current state, the course is simply not worth publishing.”

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  42. Avatar

    Alan A C

    I have the sensation that this second part is not so well explained as the first one. Week 3 was confusing. The assignment is not related to the video contents. Week 4 was confusing too. The mix between Martin and the other guy’s videos is weird. Also I expected much more reactive stuff.

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  43. Avatar

    Alan A C

    I have the sensation that this second part is not so well explained as the first one. Week 3 was confusing. The assignment is not related to the video contents. Week 4 was confusing too. The mix between Martin and the other guy’s videos is weird. Also I expected much more reactive stuff.

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  44. Avatar

    Daniel B

    Good course with a lot of useful material though not quite as polished as the first one

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  45. Avatar

    Daniel B

    Good course with a lot of useful material though not quite as polished as the first one

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  46. Avatar

    Joaquin D R

    Too short, In my opinion i would spend more time on future and async. I dont like too much, when the teacher changes..

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  47. Avatar

    Shi Y

    A bit of confusion about the assignment instruction.

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  48. Avatar

    Joaquin D R

    Too short, In my opinion i would spend more time on future and async. I dont like too much, when the teacher changes..

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  49. Avatar

    Shi Y

    A bit of confusion about the assignment instruction.

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  50. Avatar

    Alexey P

    The topic very interesting as well as course assignments. But not so good as progfun1. It looks like some topics were thrown away. E.g. quick check assignment is not in a right place. Assignment about Streams is too complicated and does not illustrate streams well. There is not enough information about design e.g. more patterns and guidance when to use mutable state with oop princilpes and when to use fp.

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  51. Avatar

    Alexey P

    The topic very interesting as well as course assignments. But not so good as progfun1. It looks like some topics were thrown away. E.g. quick check assignment is not in a right place. Assignment about Streams is too complicated and does not illustrate streams well. There is not enough information about design e.g. more patterns and guidance when to use mutable state with oop princilpes and when to use fp.

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  52. Avatar

    Gabriele A

    Good course but not much coherence between lessons and exercises.

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  53. Avatar

    Gabriele A

    Good course but not much coherence between lessons and exercises.

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  54. Avatar

    Pedro C P P

    A little less content than the first course. Also the videos and materials of the second professor are way worst than the first one.

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  55. Avatar

    Pedro C P P

    A little less content than the first course. Also the videos and materials of the second professor are way worst than the first one.

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  56. Avatar

    Ishan

    Assignments 3 and 4 can be improved. They are a bit hard to get started with and at the end only require a handful of lines of code to implement. It does not match the learning outcome of the difficult topics taught in the lectures.

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  57. Avatar

    Ishan

    Assignments 3 and 4 can be improved. They are a bit hard to get started with and at the end only require a handful of lines of code to implement. It does not match the learning outcome of the difficult topics taught in the lectures.

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  58. Avatar

    Michael R

    This course was a bit of a mixed bag some great bits and some really badly designed bits! Seems it was originally two courses which have been mashed together, and the joins are pretty rough… First week on Streams/Lazy Lists was great, but seemed to actually have originally been the final week of the functional programming principles course. The circuits example was interesting, but could have done with an assignment to bed in the knowledge the actual assignment had little bearing on this material. The futures section was interesting, but there appeared to be some missing sections due to the course reorganisation, so it didn’t flow especially well. Again, some more concrete examples and an associated assignment would have been appreciated. Definitely a useful course, but be prepared to put up with the rough edges!

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  59. Avatar

    Michael R

    This course was a bit of a mixed bag some great bits and some really badly designed bits! Seems it was originally two courses which have been mashed together, and the joins are pretty rough… First week on Streams/Lazy Lists was great, but seemed to actually have originally been the final week of the functional programming principles course. The circuits example was interesting, but could have done with an assignment to bed in the knowledge the actual assignment had little bearing on this material. The futures section was interesting, but there appeared to be some missing sections due to the course reorganisation, so it didn’t flow especially well. Again, some more concrete examples and an associated assignment would have been appreciated. Definitely a useful course, but be prepared to put up with the rough edges!

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  60. Avatar

    Milan V

    The 2nd part was kind of confusing and less concise.

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  61. Avatar

    Milan V

    The 2nd part was kind of confusing and less concise.

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  62. Avatar

    Ivan P

    The first week is simply useless 🙁

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  63. Avatar

    Ivan P

    The first week is simply useless 🙁

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  64. Avatar

    David S

    This is a great course with a clear exposition of some of the more complex topics in FP such as Monads. However, I feel the treatment of concurrency left me with more questions than answers (though I also understand the next course will explore it in more detail). I would have also liked some more excercises about building a Scala program “from scratch”.

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  65. Avatar

    David S

    This is a great course with a clear exposition of some of the more complex topics in FP such as Monads. However, I feel the treatment of concurrency left me with more questions than answers (though I also understand the next course will explore it in more detail). I would have also liked some more excercises about building a Scala program “from scratch”.

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  66. Avatar

    Roman A

    The course covers a range of interesting and important topics and the quality of lectures and exercises is pretty high. However, it is organized in a less coherent way than the first course in the specialization. Exercises do not match their weeks, lecturer suddenly changes in Week 4 and delivers something not clearly following from the previous lectures.

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  67. Avatar

    Roman A

    The course covers a range of interesting and important topics and the quality of lectures and exercises is pretty high. However, it is organized in a less coherent way than the first course in the specialization. Exercises do not match their weeks, lecturer suddenly changes in Week 4 and delivers something not clearly following from the previous lectures.

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  68. Avatar

    Patrik

    Challenging and rewarding

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  69. Avatar

    Patrik

    Challenging and rewarding

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  70. Avatar

    Max B

    Cool stuff

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  71. Avatar

    Max B

    Cool stuff

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  72. Avatar

    Nikolas V

    The course material about the futures, although interesting should have been developed further and at least with an extra week in the course (and have an assignment associated to it). As things are, week 4 didn’t flow as well as the previous ones, or any of the weeks from the course “Functional programming in Scala”.

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  73. Avatar

    Nikolas V

    The course material about the futures, although interesting should have been developed further and at least with an extra week in the course (and have an assignment associated to it). As things are, week 4 didn’t flow as well as the previous ones, or any of the weeks from the course “Functional programming in Scala”.

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  74. Avatar

    Jiby N

    Homework could be a little tougher, especially the last one (calculator)

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  75. Avatar

    Jiby N

    Homework could be a little tougher, especially the last one (calculator)

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  76. Avatar

    OLEKSIY B

    It’s was an awesome and amazing journey! Like in my childhood on interschool programmers contests

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  77. Avatar

    OLEKSIY B

    It’s was an awesome and amazing journey! Like in my childhood on interschool programmers contests

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  78. Avatar

    Akshay A

    Last two weeks are definitely confusing, since the staff seems to have rearranged and removed some ofthe content.

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  79. Avatar

    Samir V

    Really great course!

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  80. Avatar

    Akshay A

    Last two weeks are definitely confusing, since the staff seems to have rearranged and removed some ofthe content.

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  81. Avatar

    Samir V

    Really great course!

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  82. Avatar

    Masud H

    Very good.

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  83. Avatar

    Masud H

    Very good.

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  84. Avatar

    Tomasz N

    In week 4 sudden change of teacher and topic from reactive programming principles to Futures is confusing.

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  85. Avatar

    Tomasz N

    In week 4 sudden change of teacher and topic from reactive programming principles to Futures is confusing.

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  86. Avatar

    Pavel O

    Some stuff was weird, like the quickcheck task, too much weird syntax, hard to understand what’s going on, especially because there was no explanation for binomial heap

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  87. Avatar

    Pavel O

    Some stuff was weird, like the quickcheck task, too much weird syntax, hard to understand what’s going on, especially because there was no explanation for binomial heap

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  88. Avatar

    Daniel Z

    The course is much better than the first one it give much more real hands one experience. Would be nice to have: lecture slides, assignments with futures

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  89. Avatar

    Daniel Z

    The course is much better than the first one it give much more real hands one experience. Would be nice to have: lecture slides, assignments with futures

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  90. Avatar

    Yuan Y

    material for first two weeks are good. third and fourth are not so good. assignment is a bit too simple

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  91. Avatar

    Yuan Y

    material for first two weeks are good. third and fourth are not so good. assignment is a bit too simple

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  92. Avatar

    Edvinas `

    Interactive quizzes seem to have been missing from the videos.

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  93. Avatar

    Razertory

    Martin is smart and knowledgeable. This course really helped me on Scala Programming. Personally, I’d like something more on algebraic design lectures and code assignments such as monoid, functors, applicative functors and many kinds of monads. Anyway, it’s my 1st experience on coursera, thanks a lot : )

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  94. Avatar

    Peter B

    Great course! Once they work out the bugs with grading the calculator project it will be 5 stars.

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  95. Avatar

    Max S

    Just like the first course in the specialization this one teaches valuable insights into quite a lot of concepts. However more than the first one you realize in this course that initially the entire specialization was taught as one coherent course. In this course this sometimes show and confused me a bit. Additionally there where almost no exercises in the lectures.

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  96. Avatar

    Hong C

    Lecture 1.4 Monads is too abstruse.

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  97. Avatar

    Aydar U

    That was really amazing!

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  98. Avatar

    Taewoo K

    Good

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