so you think you can change? - javazone 2010

Together. Free your energies Anders Sveen

So you think you can change?

Anders Sveen

JavaZone 2010


agile


change


responding to change over following a plan- agile manifesto


Plans are worthless. Planning is essential.

- Dwight D. Eisenhower, general and president (1890-1961)


continious learning


experience


changes your view


how support change?


stand up


backlog


discover change


the user story is already approved


the database can’t be altered


the interface is locked


the change is too big


preventing, stopping or minimizing change


smallest change


shortcuts


change is an opportinity


change must be as easy as possible


AUTOMATED TESTINGYour safety net


safety


quality in tests


quality in your test data


tests that are willing to change


your safety net becomes an obstacle


CODE THAT’S WILLING TO CHANGE

Quality matters


quality


evolvable design


knowledge, experience and discipline


short cuts and bad design


encapsulation


real object oriented design


good tests


test data


CHANGE IS HARD


experience, knowledge and focus


try, try and try again


it pays off


water fall or agile?your choice


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