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Intro To C++ Languge

Programming Language:
programming language is a formal language designed to communicate instructions to a machine, particularly a computer. Programming languages can be used to create programs that control the behavior of a machine and/or to express algorithms precisely.


compiler is a computer program (or set of programs) that transforms source code written in a programming language (the source language) into another computer language (the target language, often having a binary form known as object code). The most common reason for wanting to transform source code is to create an executable program.
C++ Language:

C++ is a programming language that is general purpose, statically typed, multi-paradigm and compiled. It is regarded as an intermediate-level language, as it comprises both high-level and low-level language features. Developed by Bjarne Stroustrup starting in 1979 at Bell Labs, adding object-oriented features such as classes, and other enhancements to the C programming language.

C++ Library File Standard Input / Output Streams Library:

standard input/output stream objects:


A namespace is an abstract container to hold a logical grouping of unique identifiers or symbols (i.e., names). An identifier defined in a namespace is associated only with that namespace.

Standard C++ Library (std):

A C++ program can call on a large number of functions from this conforming implementation of the Standard C++ Library. These functions perform essential services such as input and output and provide efficient implementations of frequently used operations.

cout (Standard output stream):

cout is an object of class ostream that represents the standard output stream. It corresponds to the cstdio stream stdout.

“<<“ is called insertion operator

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