C++ history session 00 history

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Learn C++History of C++

Arun Prakash M

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• CPL – Combined Programming Language (1960s, University of Cambridge, University of London)

• BCPL – Basic Combined Programming Language (1966, Martin Richards, language for writing compilers)

• B (Dennis Ritchie, Bell Labs, 1969)• C (Dennis Ritchie, Bell Labs, early 1970s, general purpose)

• C++ (Stroustrup, Bell Labs, 1983, C with objects)• C++/CLI (Microsoft, 2005, “Managed” ECMA C++ Standard)

C++ - Evolution


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Early programming languages

Classic C

Simula

Pascal

Algol68

BCPL

Fortran

Lisp

COBOL

Algol60

PL\1

1950s: 1960s: 1970s:

Red==major commercial use

Yellow==will produce important “offspring”

Shamelessly taken from Stroustrup/Programming


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Modern programming languagesShamelessly taken from Stroustrup/Programming

Object Pascal

C++

Java95

C#Ada98

C++98

Java04

C++0x

PythonLispSmalltalk

Fortran77

Ada

EiffelSimula67

COBOL89

PHP

C89

Pascal

PERLVisual Basic

COBOL04 Javascript


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Why C++?

• C++ is General purpose programming language

• Mid level language: Combination of both high level language and low level language


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Whats Needed

• It is a way to make programs more comprehensive

• Code– Each function has a clearly defined purpose and a

clearly defined interface to other parts of program– Module: Grouping of a number of functions together

• Variables– Global data: The one that is accessible to all the

functions– Local Data: the one that is accessible only to its own

confined block


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Object oriented programming

• Combine data + functions into a single unit that operate on that data; such a unit is called

an object/Thing– data + functions object/Thing

• Object functions: Provide only way to access its data; if you want to read a data item you only need to access its function;


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Quote

“There are only two kinds of languages: the ones people complain about and the ones nobody uses”

Bjarne Stroustrup


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Nandri makka


Technology

C++ history session 00 history