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Ada Core Technologies established in 1994. 1995: Academic Ada contract to Intermetrics>17 (The Mandate s EffectIn 1994, 33% of code written in Ada, 22% in C, 37% in  other approved languages  Many projects have ignored or manipulated the policy on waivers, employing languages other than Ada without the required waiver  (NRC), %)!The Mandate DestroyedBased on the NRC report, Ada no longer mandated (March 1997) But where s the $15 million/year? AJPO closed Sept 1998 xu\;+Why we STILL teach Ada at USAFA, ((( vClear syntax Supports software engineering principles Cheaper development costs Time constraints for cadets are large!&P'P'@0Steelman RequirementsAda 93% Java 72% C++ 68% C 53% "Ada, C, C++, and Java vs. The Steelman" David Wheeler, Institute for Defense Analysis, 1997$]6"6A1Comparing Costs (C)Development costs of Ada were roughly half those of C, with C code having an order of magnitude greater errors. 75% of the programmers were experienced in C, while only 25% were experienced in Ada. Stephen Ziegler, Rational Corp. "Comparing Development Costs of C and Ada" (K>IB2Comparing Costs (C++)Ada error rate was approximately 50% of the norm. Cost of delivery of Ada was lower. Reifer Consultants "Quantifying the Debate: Ada vs. C++" (V9HD & C3Comparing Costs (C++)Analysis of info systems and C3 systems showed Ada had a 35% advantage in front-end development costs and a 70% advanatage in maintenance costs. "Ada and C++: A Business Case Analysis" USAF Report. (TRW);>/> 7D4Comparing Languages (FAA)Evaluation included capability, efficiency, availability/reliability, maintainability/ extensibility, lifecycle cost, and risk. Ada 78.8 C++ 63.9 C 59.5 FORTRAN 47.0 Software Engineering Institute (for FAA)"ZbZ]G6Comparing Ada and Java  Concludes Java is more difficult to teach to intro programmers because of complex syntax for simple programs, lack of pointers, difficulties with types. http://www.act-europe.fr/texts/papers/ada-java-teaching-comp.pdf (Brosgol) (K,@F5Eliminating Bugs"My Hairiest Bug War Stories" CACM April 1997. Ada compilers unaided would have caught 88% of these bugs. John McCormick ("Ada Kills Hairy Bugs")k*,0KH7Languages in CS1Ada instructors believed their current language was best at a ratio of 3-4x over C and C++ instructors. http://academic.scranton.edu/faculty/beidler/ levy/ (h4$l% ?/Nobody uses Ada Ada is used in lots of surprising places, including the NYC Subway and the Hertz navigation system. http://www.seas.gwu.edu/~mfeldman/ada-project-summary.html (d;$a:>.Ada in UniversitiesApproximately 150 universities use Ada in 1st or 2nd computer science course Number relatively constant over last couple of years http://www.seas.gwu.edu/~mfeldman/ada-foundation.html 6+,#\5 0 AP BoardStarts in Pascal (first offered 1984) Moves to C++ in 1998-1999 (despite open opposition from ACM educators) Moves to Java in 2003-2004O?'What kinds of tools are we looking for?(((^Cheap Simple Powerful Must compare favorably with Visual Studio, freely available Java tools=-/Tools to Support Ada in Education and Elsewhere00( GNAT/AdaGIDE J9Leveraging Technology with Ada(JGNAT Connect Four applet demoK:Leveraging Technology with Ada(qGtk/GLADE/GVD Primarily Linux based, but Windows version XML based GUI builder Multi-language debugging platform &ddoM<Leveraging Technology with Ada(SRAPID Multi-platform GUI builder http://www.usafa.af.mil/dfcs/bios/carlisle.html 22N)(N=Leveraging Technology with Ada(\CLAW Windows GUI builder Free demo, pay for full version RR software (www.rrsoftware.com) 25#XGP>Leveraging Technology with Ada(MGWindows Free OO Windows library Currently no GUI builder www.adapower.com 2 2 E$3L;Leveraging Technology with Ada(@GNATCOM MS reusable object technology http://www.adapower.com 29./6789:E  ` ̙33` ` ff3333f` 333MMM` f` f` 3>?" dd@,|?" dd@   " @ ` n?" dd@   @@``PR    @ ` ` p>> v(    6v P  T Click to edit Master title style! !  0/   RClick to edit Master text styles Second level Third level Fourth level Fifth level!     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