Experience Agile Programming

Agile Meetup, Sri LankaJohannes Brodwall

Steria Norway

@jhannesFeaturing: Shihan Iqbal

Goal• Introduce Agile

•To have fun now!• For you to have fun now!• For you to have fun later

(stretch goal)

Agenda• What is «agile programming»

•What to look for•Demonstration

•Discussion•Possibly: Tips and tricks

What is «agile programming»?

What is Agile?

Deliver frequently

Deliver frequently

=> Incomplete code

Incomplete code

=> Ability to change

Ability to change

=> Quality and discipline

Practicing discipline:Ping pong

Ingredience #1:Pair programming

Ingredience #2:Test driven

development

Failing test

Write code

Failing test

Write code

Failing test

Ingredience #3:Refactoring

Failing test

Write code

Failing test

Write code

Failing test

Refactor code and tests

Refactor code and tests

Put together

Failing test

Write code

Failing test

Write code

Failing test

Failing test

Write code

Failing testWrite code

Failing test

Refactor code and tests

Refactor code and tests

What effect do you expect?• On time• On cost

• On quality• On work environment

Demonstration

What to watch for?

If you’re a project manager

If you’re a developer

If you’re a tester

If you’re neither

Please:• Talk about what you see to the person

next to you (whisper)•Tweet to @jhannes

Demonstration(Featuring Shihan Iqbal)

Kata: Minesweeper

What did you see?

What did you see?• How often did we switch ”driver”?

• Effects of pairing?• What did the ”non-driver” do?

•How do you expect it to be different?

What do you think?•Pairing two seniors?•Pairing two juniors?

• Pairing senior and talent?• Pairing senior and junior?

What did you see?• Was the step size right?• What was the first test?

• How did we decide next test?• What was the final test?

What did you see?•Did we refactor the right amount?

• How long was the code red?• Strengths in final design

•Weaknesses in final design•Enough comments?

How to practice

PracticePractice at work

Practice katasPractice in dojos

Why become better at programming?

Seriously. Why?

Only 13.37% of effort

Getting better quality

Getting better qualityCorrectness

Maintainability

But more importantly!

Think better

Think betterRaise your level of abstraction

Sri Lanka Coding Dojo?

Sri Lanka Code Retreat

http://www.coderetreat.lk/

Conclusion

ConclusionFree your mind

Free your mindPractice our art

Thank youjohannes@brodwall.com

http://johannesbrodwall.comhttp://twitter.com/jhannes