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Introduction to .NET | C#.NET Tutorial | Mr. Bangar Raju — Transcript

by Naresh i Technologies · 2,362 words · 364 segments · language en · Watch on YouTube

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0:06[Music]
0:10I'm Mr bangar Raju and in this video I
0:12want to demonstrate you what is net and
0:16what exactly can we do with this
0:17particular
0:21net according to Microsoft there is no
0:25full form for this particular net we
0:26don't have any full form for this
0:28particular net and also so we don't have
0:30any standard definition for this
0:32particular net so what is this net means
0:35simply speaking we can just say it is
0:37going to be a
0:39software or a product that came from
0:42Microsoft which can be used for
0:43developing various kinds of applications
0:47so we use it in the development of
0:48various kinds of applications so if at
0:51all you want to develop any applications
0:52now you can develop them by using the
0:55net actually when we talk about
0:57applications we need to understand about
0:59this first applications are divided into
1:01various categories like we just call
1:04them as desktop
1:10applications web
1:15applications and the mobile
1:19applications like this we can just go
1:22for dividing an application into
1:24different categorizations first desktop
1:27applications web applications and mobile
1:29applications
1:30unfortunately what is the problem with
1:32the older programming languages is
1:35suppose if at all we are just going to
1:36work with older programming languages
1:38like C C++ we have a drawback the
1:41drawback is like uh we cannot use the
1:43same language for developing all the
1:46kinds of applications we cannot use the
1:48same language for developing all the
1:50kinds of applications where we required
1:52to use a different language for each
1:55application we are going to develop for
1:57example if you want to build a desktop
1:59applications we required to just use
2:02languages like C C++ Visual Basic power
2:05Builder so by with the help of those
2:07languages we can develop the desktop
2:09applications but those languages are not
2:12feasible for developing web applications
2:15if you want to develop web application
2:17we're required to just take the support
2:19of some other languages and Technologies
2:21like PHP CGI cold fusion ASP VB script
2:26JavaScript like this we need to take the
2:29help of a different language and
2:31technology for developing the web
2:32applications but when you come to mobile
2:34application development mobile
2:36application development was not
2:38available in the older days it will came
2:40into picture after 2000 so earlier
2:43mobile applications are not available in
2:45the industry so mobile applications came
2:47into picture after Java and net are
2:50introduced fine now so what is the
2:53drawback or what the problem I'm telling
2:55you is if you are a programmer if you
2:57are a programmer to develop different
2:59kinds of applications we required to
3:02just focus on or we required to learn
3:04different kinds of languages so as a
3:07programmer learning more number of
3:09languages putting all the syntaxes in
3:11the brain is a little bit confusing
3:13because we work with one language and
3:15from there if you go to the second
3:16language compulsory we Face the
3:18confusion with the old syntaxes in the
3:20new language so all the problems what we
3:24are talking right now are addressed with
3:26net what is it if you are going to use
3:29net with net we can develop desktop
3:32applications we can develop web
3:34applications we can develop mobile
3:36applications what not everything under a
3:39single roof so like this Microsoft has
3:41given as net a product that came from
3:44the Microsoft for developing various
3:46kinds of applications like desktop web
3:49and mobile now let us understand how to
3:52develop these applications if at all you
3:55want to develop these applications we
3:58right now require some from support now
4:01and to provide the support what did
4:03Microsoft done is under
4:07net under net it has provided as a set
4:11of
4:14languages
4:16see to develop an application you
4:18require a programming language so what
4:21did Microsoft done is under net it has
4:23provided you a set of programming
4:25languages not like one language n number
4:28of languages are provided for you so
4:30that's why I'm calling it languages
4:32officially there are 30 plus languages
4:36in net there are 30 plus languages in
4:40net so generally when we hear that 30
4:43plus languages we we get in a
4:46confusion what is the need of these many
4:48number of languages but the thing to
4:51understand here is the need for these
4:52many number of languages is different
4:55people come from different background
4:57means some people come from ball
4:59background some people come from Pascal
5:01background some people come from java
5:03background some people come from cc++
5:06background so when different people are
5:08coming from different backgrounds all
5:11these particular people if they want to
5:12work in the same language in one
5:14language they required to be they
5:17required to just have some confusion
5:19they face some confusion in acquainting
5:21with one L language so that's where
5:23Microsoft what it has done is it has
5:25given you multiple languages and said
5:28that if you come from a particular
5:30background you can use a particular
5:33language that is available here so
5:34suppose if you come from cc++ background
5:37Microsoft provides us a language called
5:41C so this C language is can be
5:45considered as an extension for C++ see
5:48all of us know that extension is C++ now
5:52you can just understand you can take c
5:54as an extension for C++ so because C is
5:57an extension for C++ what whatever we
6:00learned in C language or whatever we
6:02learned in C++ language can be applied
6:05in cop means we basically know the
6:07fundamentals of the language now data
6:09types conditional statements whatever we
6:11learned in ccpp can be used in C as it
6:14is with some minor differences same way
6:16if at all you come from VB background
6:19the classical Visual Basic there is a
6:21language from Microsoft in the '90s and
6:23if you come from that background
6:25Microsoft has given one language for
6:27developing applications called as vb.net
6:31so now you can build applications by
6:33using vb.net language so this is one
6:35programming language this is another
6:37programming language like this we have
6:40vc+
6:45plus.net
6:52f.net jp.net
6:57we have n number number of programming
7:00languages like this and we have nearly
7:0230 plus languages like this so what is
7:04the advantage for a programmer here is
7:07programmer has a choice of choosing a
7:10language according to his interest
7:12generally when we purchase a product we
7:15always take like this a a better color
7:18in the product if you're purchasing a
7:19mobile what you see you just try to
7:21check it out what are the various colors
7:23available and you pick the color of your
7:25choice and all the people will not pick
7:27the same color I may pick one color you
7:29pick another color so like this net is
7:32also offering you number of languages
7:34and telling you pick a language of your
7:37choice so what you can do if you are
7:39from cc++ background choose C if you are
7:42from VB background choose vb.net if you
7:44are from VC Plus+ background choose vc+
7:47plus.net if you are from java background
7:50choose J shop.net like this 30 plus
7:53languages are available for you to
7:56choose and you can choose any language
7:58according to your interest
7:59and no two people can or no people need
8:03to work with the same language all the
8:06people can work with the different
8:07different net language available but if
8:09not the case in Java if you go to Java
8:11Java means one programming language and
8:14all the developers has to build their
8:15applications by using the same
8:17programming language that is Java but
8:20come to net it's not like this you have
8:22a choice of choosing a language
8:24according to your interest but see even
8:28though a product is offered in multiple
8:29colors and we choose a color there will
8:31be one color which is fast moving one
8:33fast moving color exactly even though we
8:36have 30 plus languages in net the more
8:39powerful language or most used language
8:42in the industry right now is C so C
8:45plays the lead role here so applications
8:48basically are developed by using the C
8:51in the industry one of the most widely
8:53used language and the second preferred
8:55language is vb.net but the first
8:57preference is cop and as of today it was
9:00a right competitor for Java in the
9:02market so today if applications are
9:05being developed in the industry 70% of
9:07the applications we come up in the
9:09industry are developed either by using
9:11Java or net 70% applications are
9:14developed either by using Java or net so
9:18if you understand a point here if they
9:20are being developed in Java net Java
9:22means a Java language but if you come to
9:25net means any language we can use but
9:27the most preferred language is C
9:30so it was a big commentator for Java in
9:32the industry right now now let us
9:35understand about this
9:38C
9:41CA so if we follow this particular thing
9:45carefully when we learn C language or
9:48C++ languages we just they say like this
9:51what is it C++ language is an extension
9:53for C language if you have C the
9:56extension for this is
9:58C++
9:59why whatever you have in C is available
10:02for you in C++ with extra features like
10:05object oriented programming and now if
10:07you understand the extension for C++
10:09what I say is is
10:14C according to me c is an extension for
10:18C++ language so whatever things you find
10:21in C++ you'll find in C also so C++ if
10:25you just see it object oriented C is
10:28also object
10:29oriented and C++ provides you Securities
10:33reusability and all the things what we
10:35come in object or programming you can
10:37find all the things in C also but C++ is
10:41best used for developing desktop
10:43applications only but cop can be used
10:46for developing any kind of application
10:48that what I said to you desktop
10:50applications web applications mobile
10:52applications what not anything can be
10:54developed by using C so one language for
10:58developing all kinds of application so
11:00we have the same Advantage with the Java
11:02also but Java and C are two different
11:05Company products actually so whoever are
11:08interested with Java will go with Java
11:10whoever interested with net will go with
11:13c not like net whoever interested
11:16working with Microsoft products will
11:17always prefer the C language but whoever
11:21prefer working with sun Microsystems or
11:23Oracle Corporation will go with Java
11:25technology but it's a very widely used
11:29according to the recent statistics there
11:31are nearly 8 to 10% of the world
11:34programmers developing applications in C
11:388 to 10% of the world programmers are
11:40developing applications by using the C
11:42language so very powerful language what
11:45we can use in the industry for building
11:48a very excellent application now let us
11:52understand how do we use this particular
11:54C in application development or what can
11:57we do with this particular C
12:04so first let me tell you the G features
12:06of the C first it is
12:15objectoriented objectoriented the main
12:17strength of objectoriented programming
12:19is security reusability so what is that
12:23security reusability I will just explain
12:26you in the further videos we'll just
12:28practically see what is security and
12:30what is reusability in the further
12:32videos
12:36second flatform
12:43independent what is this platform
12:45independent the applications that you
12:47develop by using C you can run them on
12:50multiple platforms as of the current
12:53version of the net there's a direct
12:55support for building your cop
12:56applications to run on Windows Android
12:59phones as well as iPhones direct support
13:03is available in all the three things
13:04earlier also support was available but
13:06third party support but right now direct
13:08support from Microsoft for building
13:10applications to Windows phone iPhone as
13:13well as the Android phones in all the
13:15three places we can just use so that's
13:17what we call platform independent that
13:19is crossplatform
13:27language
13:33independent so what is this language
13:35independent language independent in the
13:37sense just now I was telling you C is
13:41one language in net but like this we
13:43have 30 plus languages in net so because
13:47we have 30 plus languages in net
13:49programmers can develop the applications
13:51by using any language of their choice
13:54like no two programmers required to
13:56write the code in the same language so I
13:58can choose one language you may choose
14:00another language suppose right now we're
14:02discussing on C that doesn't mean that
14:03everyone has to develop applications in
14:05C only so we are interested with c and
14:08going with C some other one can develop
14:10an application by using VB in a company
14:13two product two projects are being
14:15developed one project is developed in
14:17cop another project can be developed in
14:19vb.net so in this situation what you can
14:23do is suppose if any code what we are
14:26writing in C if can be used in vb.net if
14:30can be used in vb.net we can directly
14:33give our code to them and they can start
14:35consuming that code or if we want any
14:38code being written in VB to be used in
14:41cop we can directly take the code from
14:43them and we can use it in C so this is
14:46called as language independent or
14:49language independency simply speaking
14:52cross language reusability Java gives
14:55you reusability C++ gives you
14:57reusability but the thing to understand
14:59is the replace the reusability available
15:02in C++ language is a specific to C++
15:05mean c code can be reused in other net
15:08languages but not the case with C++ and
15:10Java C++ code can be reused in C++ only
15:13Java code can be reused in Java only but
15:16C code can be reused in all the 30 plus.
15:19net languages that's what we call cross
15:21language reusability or language
15:24independency so these are the three main
15:26features what you come across in
15:29object oriented security reusability
15:31platform independent that is cross
15:34operating system or cross platform
15:36execution language independency is cross
15:40language communication of your
15:41particular code between the languages of
15:44net so these are the interesting things
15:47about your particular
15:50[Music]
15:57C
16:00w

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