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Fujitsu Computer Systems

Block 1

.NET Technology OverviewFujitsu Software Corporation

Customer Training Series

Presented by:

Tim OBrienSenior Systems EngineerFujitsu Software Corporation

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PAGE 2 Fujitsu Computer Systems

Let us begin

A journey of a t ousand mi!es must begin wit a sing!e step"# $Si% &entury B"C" C inese p i!osop er 'ao T(u

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PAGE Fujitsu Computer Systems

!ere we "re

Software development of is an industry besetwith incompatibilities

Different LanguagesDifferent Operating Systems

Different Hardware latforms!ncompatible " !sShifting "rchitectural Focus

Changes were necessary#icrosoft$s vision% &'(T

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PAGE # Fujitsu Computer Systems

$icroso%t h"s " vision

"ddresses development issues of the past witha view toward the future

(mbodied in #icrosoft &'(T

'ew way of building applications that leveragesindustry standards

#a)es interoperability a reality

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PAGE & Fujitsu Computer Systems

$icroso%t h"s " vision '(ont)

&'(T Framewor)latform for building and running &'(T applications

#a)es development significantly easier

Streamlines the development process

(liminates the most common and debilitating bugsrovides a common " ! for all languages

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PAGE * Fujitsu Computer Systems

$icroso%t h"s " vision '(ont)

(ncompasses new trends in softwaredevelopment

Distributed computingComponenti*ation(nterprise services+eb integration of applicationsLanguage interoperability

(ncompasses many standards , SO" - +SDL-.DD!- HTT - HT#L- /#L

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About Progr",,ing L"ngu"ges

#icrosoft &'(T languagesC0

12&'(T

C3340

Fujitsu &'(T languages

CO2OLFortran

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About our new evelo/,ent worl

1isual Studio &'(T is the common !D( for all &'(T

languages

"DO&'(T

+indows Forms

"S &'(T and +eb Forms

+eb Services

Smart Devices

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About our new evelo/,ent worl '(ont)

&'(T is a new "pplications latformDevelopment Tools and framewor)

Speciali*ed &'(T (nterprise Servers such asS5L Server

2i*tal) Server Commerce Server

"pplication Center Server

Host !ntegration Server

!nternet Security Server "cceleration Server

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Buil ing Blocks

Operating System on Servers, Desktops, Notebooks and smart devices

.NET BuildingBlock Services.NET Framework NET Enterprise

Servers

isual Studio .NET

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Putting together the /u le

'etCO2OL for&'(T

12&'(T "DO&'(T

CTS

C0

CL6 & '(T

Framewor)

C33 "S &'(T

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(o,/onents "n Ter,s '(ont)

'amespaces

4ust in Time 74!T8 compilers and the 1erifier

Common Language 6untime 7CL68

#anaged vs& .nmanaged Code

latform !nvocation Services

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(o,/onents "n Ter,s '(ont)

Framewor) base classes

Data and /#L Classes

+indows Forms

+eb Forms

+eb Services

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PAGE 1& Fujitsu Computer Systems

(o,,on L"ngu"ge 3/eci%ic"tion '(L3)

Supports multiple language integration

Specifies a set of common data types7CTS8

Defines rules for e9ternal componentaccessibility

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PAGE 1* Fujitsu Computer Systems

(L3 '(ont)

Ta)es full advantage of e9ceptions- inheritance-and polymorphism&

rovides for automatic garbage collection

"ll &'(T compilers must adhere to the CLS andCTS

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PAGE 1+ Fujitsu Computer Systems

$icroso%t 4nter,e i"te L"ngu"ge '$34L)

"bstract intermediate language , a conceptcommon to many CO2OL compilers

Similar to an "ssembly Language with additionalcommands to handle objects

"ll &'(T Compilers must produce #S!L

7sometimes called ;!L

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PAGE 1- Fujitsu Computer Systems

$34L 5 (OBOL 3ource

The following e9ample shows a snippet of code from the

#S!L produced by the 'etCO2OL compiler for aHello+orld e9ample as shown%

"met od pub!i& idebysig stati& int)* Pro&edure+, &i! managed - "entrypoint

.. Code si(e *)/ +0%ea, "ma%sta&1 2

"!o&a!s init +int)* 3405&!ass 6Fujitsu"COBO'7Fujitsu"COBO'"8untime"ProgramContro!"9isp!ay nfo67 34;5

&!ass 6Fujitsu"COBO'7Fujitsu"COBO'"8untime"ProgramContro!"9isp!ay nfo67 34*5

3 8O>=E>T 9 3 S O>"

9ATA 9 3 S O>"O8 > $STO8A ESECT O>"P8OCE9D8E 9 3 S O>"

9 SP'A GE''OO8'9 "E>9 P8O 8A= =A >"

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$et" "t"

&'(T (9ecutables contain metadata , detaileddescriptions of data types and interfaces

This includes descriptions of classes- methods-

properties- fields- events- etc&

#etadata allows e9ecutables to be truly self=contained and self=describing

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$et" "t" '(ont)

#etadata is )ind of li)e a super type library

The use of #etadata removes the re>uirementto use the +indows registry

" vast improvement over CO#

"ids in language interoperability

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$"ni%est

&'(T assemblies also contain a #anifest whichdescribes everything about the assembly such as filesbelonging to that component

(9ternal references to other assemblies and classes

ermission re>uests

"nything else re>uired for component usage

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4L6A3$

!LD"S# ,!ntermediateLanguageDisasembler is autility that lets you

view metadata&

!t will also allow

you to see #S!L?

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A//lic"tion 6o,"ins

'(T "ssemblies e9ecute within an "pplication Domain

Similar to +indows rocesses

#ultiple "pplication Domains may runwithin a single +indows rocess

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PAGE 2& Fujitsu Computer Systems

Asse,blies

&'(T (9ecutables are called ;"ssemblies

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