Deliberate PracticeBecoming a better programmer

Alex Aitken

@alexaitken

<EPAM>

blog.thoughtcorp.com

alexaitken.com

Thursday, 16 August, 12

Agenda

Define Deliberate PracticeOne Per WeekFizzBuzz RandooriObject Calisthenics DemoHow do you start?

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Deliberate PracticeThursday, 16 August, 12

One Hour Per Week

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FizzBuzz

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Debrief

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calisthenics Gymnastic exercises to achieve bodily fitness and grace of movement

Thursday, 16 August, 12

Object Calisthenics

• Use only one level of indentation per method• Don’t use the else keyword• Wrap all primitives and strings• Use only one dot per line• Don’t abbreviate• Keep all entities small• Don’t use any classes with more than two instance variables• Use first-class collections• Don’t use any getters/setters/properties

- Jeff Bay

Thursday, 16 August, 12

Object Calisthenics

• Use only one level of indentation per method• Don’t use the else keyword• Wrap all primitives and strings• Use only one dot per line• Don’t abbreviate• Keep all entities small• Don’t use any classes with more than two instance variables• Use first-class collections• Don’t use any getters/setters/properties

Thursday, 16 August, 12

Demo

Thursday, 16 August, 12

Debrief

Thursday, 16 August, 12

How do you start?

Thursday, 16 August, 12

Thursday, 16 August, 12

References

Object Calisthenics http://www.markhneedham.com/blog/2008/11/06/object-calisthenics-first-thoughts/

Katashttp://codingdojo.org/cgi-bin/wiki.pl?KataCatalogue

Doing practice with your team http://blog.thoughtcorp.com/2011/07/18/practice-built-in/

Constraint exercisehttps://gist.github.com/3355541

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Credits

http://www.flickr.com/photos/magnuz/4111206/

http://www.flickr.com/photos/totalaldo/503335275/

http://www.flickr.com/photos/ajc1/2799103829/

http://www.flickr.com/photos/adam_jones/3793605961/

http://www.flickr.com/photos/paulmoody/643667931/

Thursday, 16 August, 12

Please fill out surveys

Deliberate Practice

Alex Aitken

Aug 16 2012

Thank youThursday, 16 August, 12