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PROGRAMMING PARADIGMS

PROGRAMMING PARADIGMS. Jason Atkin and Graham Hutton University of Nottingham. Today. Module evaluation (SET / SEM); Reflection on FP + Haskell; Reflection on OO + Java. Final Lectures. Exam preparation + revision. 1. Exam Information. 2.5 hours duration, four questions;

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PROGRAMMING PARADIGMS

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  1. PROGRAMMING PARADIGMS Jason Atkin and Graham Hutton University of Nottingham

  2. Today • Module evaluation (SET / SEM); • Reflection on FP + Haskell; • Reflection on OO + Java. Final Lectures • Exam preparation + revision. 1

  3. Exam Information • 2.5 hours duration, four questions; • 2 questions on OO + 2 questions on FP; • Haskell standard prelude provided. Fri 29th March, 11am = OO exam revision Fri 29th March, 3pm = FP exam revision 2

  4. COMMENTS FROM JASON 3

  5. Module Evaluation bluecastle.nottingham.ac.uk Complete two short surveys for G51PGP: SET - Graham’s teaching only; SEM - Module content (both). 5 means strongly agree ! 4

  6. REFLECTION ON FP + HASKELL 5

  7. What Have You Learned? • How to write simple Haskell programs; • A new way of thinking; • The power of types; • The power of abstraction. 6

  8. Key Concepts • Saying what to compute, rather than how: sum . map (^2) . filter even • Separating pure and impure code: Int  IO Bool Int  Bool vs 7

  9. Key Concepts • Functions as first-class citizens: map :: (a  b)  [a]  [b] • Equational reasoning about programs: map f . map g map (f . g) = 8

  10. Main Drawbacks • Difficult to reason about efficiency; • Limited tool support for developers; • Requires ability to think abstractly. 9

  11. Taking Things Further • G52AFP Advanced Functional Programming; • G54RFP Real-World Functional Programming; • G52ACE, G52LAC, G53CMP, G54FOP, …; • C#, F#, Scala, Erlang, …; • Industry jobs + PhD positions. 10

  12. REFLECTION ON OO + JAVA 11

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