Should a Fortran-savvy educator learn Java, Flash, both, or neither? Michael Dubson, Physics Dept University of Colorado at Boulder

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Presentation transcript:

Should a Fortran-savvy educator learn Java, Flash, both, or neither? Michael Dubson, Physics Dept University of Colorado at Boulder PER Group CU-Boulder Funding: Kavli Operating Institute NSF

2 Physics Education Technology Project Wendy Adams, Mike Dubson, Noah Finkelstein, Kathy Perkins, Noah Podolefsky, Sam Reid, and Carl Wieman U.Colorado at Boulder, Ron LeMaster, Kavli Operating Institute Highly interactive, visual physics simulations (~35) Fun, real world, visual/conceptual models Research-based and user-tested Freeware, online or downloadable

3 JAVA: Programming language from Sun Compiler is free Clients require ~ 15 Meg download to run on PC or Mac FLASH: Animation tool and scripting language from Macromedia Authorware ~$100 Flash viewer is free Clients require ~500K browser plug-in

4 Java and Flash are both… Platform-independent (mostly) Immune to viruses (they say) Widely available (hmm…) Powerful (truly!) ~ ideal for creation and wide Internet delivery of educational software

5 Java and Flash are both.. Complex: Difficult to master without previous experience in Object Oriented Programming Evolving: Java appears to have stabilized, but Flash is still undergoing major revisions at ~2 year intervals. FlashFlash MXFlash MX 2004

6 My Java/Flash books

7 What is Object Oriented Programming? It is not Procedural Programming. Procedural Programming (Fortran, Basic, Pascal, …) variables functions OO Programming (Java, C++, …) objects

8 Why Object Oriented Programming? More “natural” (to the unfossilized young) Much less debugging needed Easier to maintain, extend, update

9 Java vs. Flash A “real” programming language : compiled, fast full-featured compiler free A scripting language plus graphics tools: interpreted, slow limited features Authorware ~$100 Java has some advantages:

10 Java vs. Flash On fewer machines Bigger plug-in (15M) Bigger programs Bit-mapped graphics No GUI graphics tools On more machines Smaller plug-in (0.5M) Smaller programs Vector graphics User-friendly graphics tools Flash has some advantages:

11 Use Java or Flash to create sophisticated, interactive simulations that can be delivered widely and safely over the Internet Use Java if you need speed, or have a very complex simulation. Use Flash is you want the most users. Use someone else unless you have lots of time. Conclusions:

12 phet.colorado.edu Website freeware