Introduction to C++ | C++ Programming in Tamil

Опубликовано: 11 Октябрь 2024
на канале: Sriramasubramaniam Nagarajan

Introduction to C++ | C++ Programming in Tamil

Computers understand only one language and that language consists of sets of instructions made of ones and zeros - machine language.

C++ is designed to be a compiled language, meaning that it is generally translated into machine language that can be understood directly by the system, making the generated program highly efficient. For that, a set of tools are needed, known as the development toolchain, whose core are a compiler and its linker.

Console programs are programs that use text to communicate with the user and the environment, such as printing text to the screen or reading input from a keyboard.

Structure of a program

The best way to learn a programming language is by writing programs. Typically, the first program beginners write is a program called "Hello World"

comments do not affect the operation of the program; however, they provide an important tool to document directly within the source code what the program does and how it operates.

Using namespace std

If you have seen C++ code before, you may have seen cout being used instead of std::cout. Both name the same object: the first one uses its unqualified name (cout), while the second qualifies it directly within the namespace std (as std::cout).

cout is part of the standard library,
and all the elements
in the standard C++ library are
declared within
what is called
a namespace: the namespace std.

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