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!!!!!!!!!!!!!!!!INTRODUCTION! ! Name: Srinivasa Nihant - PowerPoint PPT Presentation

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!!!!!!!!!!!!!!!!INTRODUCTION! ! Name: Srinivasa Nihant Gangadharabhatla ! Program: M.S in Computer Science ! Class: Object Oriented Analysis and Design(CSCI 5448) ! Instructor: M.Kenneth Anderson ! Graduate School: University of Colorado, Boulder

  1. !!!!!!!!!!!!!!!!INTRODUCTION! ! Name: Srinivasa Nihant Gangadharabhatla ! Program: M.S in Computer Science ! Class: Object Oriented Analysis and Design(CSCI 5448) ! Instructor: M.Kenneth Anderson ! Graduate School: University of Colorado, Boulder

  2. !!!!!!!!!!!!!!!!!!INDEX! ! !INTRODUCTION! ! !ABOUT!.NET!FRAMEWORKS!&!C#! ! !SOME!FACTS!ON!C#! ! !PROPERTIES!AND!FEATURES!OF!C#! ! MISCELLANEOUS!ABOUT!C#! ! !GRAPHICAL!USER!INTERFACE!IN!C#!! ! !SUMMARY! ! !REFERENCES!

  3. !!!!!!!!!!!!!!TOPIC!-!DETAILS! ! ! Topic&name :!C#!and!.NET!(#!musical!notation)! ! ! Details :!The!presentation!is!about!some!features!and! implementation!details!of!C#!and.NET!Frameworks!!

  4. .NET!Frameworks!–!Development! ! The!.NET!Framework!(pronounced!dot!net)!is!a! software!framework!developed!by!Microsoft!that! runs!primarily!on!Microsoft!Windows.! ! Although!the!development!started!in!1990s,!the! initial!release!was!in!the!year!2000.! ! The!class!library!and!the!CLR(Common!Language! Runtime)!together!constitute!the!.NET!Framework.! ! The!.NET!Framework's!Base!Class!Library(BCL)! provides!user!interface,!data!access,!database! connectivity,!cryptography,!web!application! development,!numeric!algorithms,!and!network! communications.!! !!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  5. !!!!!!!!!!!!!!!What!is!.NET?! Web Services Building Blocks (e.g. for Services) Sharepoint ... ... .NET Applications Enterprise Servers Languages : SQL Server BizTalk ... C#, Visual Basic, etc Runtime Common Common Services: .NET and COM+ Type Language System Runtime .NET Framework Operating System From MSDN

  6. .NET!Basic!Understanding!! ! Given!here,!is!the!.NET! ! !!!from!Wikipedia! Framework!Stack.!

  7. .NET!Design!Features! ! Interoperability :!Generally,!the!computer!systems! commonly!need!interaction!between!newer!and!older! applications,!the!.NET!Framework!provides!means!to! access!functionality!implemented!in!newer!and!older! programs!that!execute!outside!the!.NET!environment.! ! The/Common/Language/Runtime/(CLR) :& CLR!serves! as!the!execution!engine!of!the!.NET!Framework.! All!.NET!programs!execute!under!the!supervision!of!the! CLR.!It!guarantees!certain!properties!and!behaviors!in! the!areas!of!memory!management,!security,!and! exception!handling.!! ! Language/Independence :& The!.NET!Framework! introduces!a!Common!Type!System,!or!CTS.!The!CTS! specification!defines!all!possible!datatypes!and! programming!constructs!supported!by!the!CLR!and!how! they!may!or!may!not!interact!with!each!other! conforming!to!the!Common!Language!Infrastructure! (CLI)!specification.!

  8. .NET!Design!Features! ! Base/Class/Library(BCL) :& The!Base!Class!Library!(BCL),! part!of!the!Framework!Class!Library!(FCL),!is!a!library!of! functionality!available!to!all!languages!using!the!.NET! Framework.!The!BCL!provides!classes!that!encapsulate!a! number!of!common!functions,!including!file!reading! and!writing,!graphic!rendering,!database!interaction,! XML!document!manipulation,!and!many!other.!It! consists!of!classes,!interfaces!of!reusable!types!that! integrates!with!CLR(Common!Language!Runtime). && ! Security :The !design!addresses!some!of!the! vulnerabilities,!such!as!buffer!overflows.!Moreover,!.NET! provides!a!common!security!model!for!all!applications.! ! .NET!also!is!provided!by!features!such!as! portability,& simplified&deployment.&

  9. .NET!Basics! ! Languages!that!comply!with!the!CLI!specification! of!.NET,!can!be!implemented!on!.NET!Framework.! ! Following!are!common!.NET!Languages:! ! � C#! ! � !Visual!Basic! ! � !A#!(CLI!Implementation!of!ADA)! ! � !J#!(CLI!Implementation!of!JAVA)! ! � !Iron!Ruby/Iron!Python(An!openasource!CLI! implementation)! ! � !Jscript.NET!(A!CLI!Implementation)! !!

  10. .NET!Languages!! ! Languages!that!comply!with!the!CLI!specification! of!.NET,!can!be!implemented!on!.NET!Framework.! ! Following!are!common!.NET!Languages:! ! � C#!(Provided!by!Microsoft)! ! � !Visual!Basic!(Provided!by!Microsoft)! ! � !A#!(CLI!Implementation!of!ADA)! ! � !J#!(CLI!Implementation!of!JAVA,!Provided!by! Microsoft)! ! � !Iron!Ruby/Iron!Python(An!openasource!CLI! implementation)! ! � !Jscript.NET!(A!CLI!Implementation,Provided!by! Microsoft)! !!

  11. Some!IDEs!for!.NET!development!! ! The!below!are!some!IDEs!for!development!and! testing!of!.NET!Frameworks!are:! a!Visual!Basic!! a!Visual!C++!! a!Visual!C#!! a!Visual!Web!Developer!!

  12. C#!is!a!mulL-paradigm!language!! ! C#!is!a!multiaparadigm!languge:! !aObject!Oriented! !a!Strongly!typed! !a!Functional,!declarative! !a!Generic! !a!Component!Oriented! ! It!was!developed!by!Microsoft!within!its!.NET!initiative!and! later!approved!as!a!standard!by!ECMAand!ISO!.! ! !C � !is!one!of!the!programming!languages!designed!for!the! Common!Language!Infrastructure.! ! It!was!focussed!to!be!a!simple,!modern,!general!purpose!Object! Oriented!Programming!language!

  13. InteresLng!things!about!C#!! ! !C#!was!released!in!the!year!2000!by!Microsoft! ! !Anders!Hejlsberg!of!Microsoft!was!the!principle! developer.!! ! !Current!version!is!5.0,!released!on!August!15,!2012.! ! !C#!resembles!a!lot!of!features!of!C++!and!JAVA.! ! !It!supports!Graphical!User!Interface!for!personal! computers!really!easy.!

  14. !!!!!!!!!!!!!!!!!!ApplicaLons!! ! !Applications!that!can!be!run!on!C#!! !!!!!a!Windows!Form!Application:!It!is!Graphical! !!!!!!!!User!Interface!based! !!!!!! !!!!!a!Console!Application:!This!application!is! !!!!!!!implemented!on!command!prompt!!!!!!!!!!!!!!

  15. !!!!!A!Simple!Basic!C#!Program! ! Output!to!be!continued..!

  16. A!Simple!Basic!C#!Program!output!

  17. !!!!!!!!!!!!!!!!!Keywords! ! !Some!of!the!common!keywords!used!are:! !!!!a!abstract!!a!extern!!!a!object!!!!!!!!a!try! !!!!a!break!!!!!!!a!finally!!!a!override!!!a!this! !!!!a!case!!!!!!!!!a!for!!!!!!!!!!a!params!!!!a!throw!! !!!!a!catch!!!!!!!a!foreach!!a!private!!!!!a!typeof! !!!!a!class!!!!!!!!a!if!!!!!!!!!!!!!a!protected!!a!using! !!!!a!const!!!!!!!a!interface!a!public!!!!!!!a!virtual! !!!!a!delegate!!a!internal!!a!return!!!!!!!a!void! !!!!a!enum!!!!!!a!namespace!a!static!!!!!a!while!!!!

  18. !!!!!!!!!!!Different!TYPES! ! !Different!Types!are:! ! ! Value&Type:& The!variable!name!consists!of!the!!! &&&&&&&&&&&&&&&&&&&&&&&&&&&& value!only! &&&&&:& int,!double,!float,!enum & ! &&Reference&Type: !Here,!the!refernece!or!the!pointer!of! the!actual!address!of!the!memory!is!stored! &&&&&:& Array,!Delegate,!Class,!Interface!and!so!on. &

  19. !!!!!!!!!!!!Comments! ! !Comments!can!be!assigned,!so!that!the!code!is!easy! to!understand!for!single!line!comments!and! delimited!comments,!documentation!comments! !!!a! Syntax:& /*!Here!text!is!ignored!by!compiler!*/! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(OR)! !!!!!!!!!!!!!!!!!!!!//!Comments!is!also!valid!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(OR)! !!!!!!!!!!!!!!!!!!!///!Documentation!Comments! ! Nested!Comments!are!not!allowed!!

  20. !!!!!!!!!!!!!!!!!!!!Arrays! ! !C#!provides!two!types!of!arrays:! !!!!!a!One!dimensional!arrays!can!be!thought!of!as!a!!! single!line!or!vectors!of!elements! !! !!!!a!Multiadimensional!arrays!are!composed!such!that! each!position!in!the!primary!vector!is!itself!an!array,! called!a!subaarray!!

  21. !!!!!!!!One-dimensional!Arrays!

  22. !!!!MulL-dimensional!Arrays! ! !Multiadimensional!arrays!are!of!two!types:!! • !!!!Rectangular!Arrays! !!!!!!!a!Where!all!subaarrays!in!a!particular! !!!!!!!!!!dimension!have!same!length!! !!!!!! int&x&=&myArr[2,3,1]&& //one!set!square!brackets! • !!!Jagged!arrays! !!!!!!a!Each!subaarray!is!an!independent!array! !!!!!!a!can!have!subaarray!of!different!lengths! !!!! jagArr[2][3][5]&&//three&sets&of&square&brackets !

  23. !!!!Explicit!IniLalilizaLon!ofArrays! ! !For!a!one!dimensionaarrays!we!can!set!explicit!initial! values!by!including!an!initializing!list! !!!!int[]!intArr!=!new!int[5]!{!10,25,30,40};! ! ! !For!initializing!a!rectangular!array! ! !int[,]!intArr1!=!new!int[3,2]!{!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!{10,1},{2,3},{4,5}};!

  24. !!!!!!!!!!!!!!!!!!ProperLes! ! !There!are!two!types!of!methods:!Properties!are! members!of!the!class!which!provide!two!simplified! methods!setters!and!getters!implementation!of!its! private!fields! ! !Implementation!is!coming!up…!

  25. !!!!!!!!!!!!!!!!ProperLes!

  26. The!properLes!can!be!set! automaLc!in!C#! ! C#!allows!the!feature!to!automatically!implement!the! getter!and!setter.! !!!! ! Hence,!we!can!have!a!direct!access!to!the!data! members!of!the!class.! ! !The!implementation!is!in!the!following!slide..!

  27. !!ProperLes!can!be!set!automaLc!

  28. !!!!!!!!!!!!!Classes!and!Structs! ! !Classes!are!declared!by!using!the!class!keyword! ! Explained!as,! !!!!public!class!Employer{! !!!!//!Fields,!properties,!!methods!and!others! !!!!…}! ! !Structs!are!defined!by!using!the!struct!keyword! ! Explained!as,! !!!!public!struct!Employee!{!//!Fields,!properties,!!!!!!! methods!!and!so!on! !!!!...!}!

  29. !!!!!!!!!!!!!!Nested!Classes! Nested!Classes!are!supported!by!C#,!defaults!to!private!!

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