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LOOP
- 1. A programming environment supporting a prototype-based introduction to OOP martes 23 de agosto de 2011
- 2. CONTEXT First OOP course Previous knowledge in structured programming (PASCAL) Tight schedule martes 23 de agosto de 2011
- 3. PROBLEM Paradigm shift A lot of new “stuff” to learn in order to get a first working program martes 23 de agosto de 2011
- 4. EXAMPLE IN JAVA martes 23 de agosto de 2011
- 5. EXAMPLE IN SMALLTALK martes 23 de agosto de 2011
- 6. MOTIVATION Focus on: Messages Objects Rich interaction between them Polymorphism martes 23 de agosto de 2011
- 7. SOLUTION Start with a custom programming environment Delay the introduction of classes and inheritance martes 23 de agosto de 2011
- 8. WHAT ABOUT SELF? martes 23 de agosto de 2011
- 9. WHAT ABOUT SELF? Traits, prototypes, parent slots, etc. GUI is not familiar to the students martes 23 de agosto de 2011
- 10. FEATURES Definition and usage of objects Multiple object environments Live object diagrams Explicit diferentiation between objects and references martes 23 de agosto de 2011
- 11. EXAMPLE IN LOOP martes 23 de agosto de 2011
- 12. TOWARDS CLASSES saphira >> eat: aThing self weight: self weight + aThing weight. arthur >> weight ^yearsInThrone * 666 daisy >> weight ^732 martes 23 de agosto de 2011
- 13. TOWARDS CLASSES Dragon >> eat: aThing self weight: self weight + aThing weight. King >> weight ^yearsInThrone * 666 ScottishHairyCow >> weight ^732 martes 23 de agosto de 2011
- 14. EXPERIENCE WITHOUT WITH Quarter Pass Rate 100 2011 Q1 84,62% 2010 Q2 68,42% 80 2010 Q1 69,76% 60 2009 Q2 80,95% 2008 Q2 66,67% 40 2008 Q1 74,07% 20 2007 Q2 73,33% 2006 Q2 75,00% 0 Pass Rate martes 23 de agosto de 2011
- 15. CONCLUSIONS More time for the important concepts More time for more complex exercises Concrete to abstract learning path martes 23 de agosto de 2011
- 16. QUESTIONS ? martes 23 de agosto de 2011