explain detailed structure of course++ program ( for five marks)
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Answer:
These statements form the structure of a C++ program. C++ program structure is divided into various sections, namely, headers, class definition, member functions definitions and main function. ... A simple C++ program (without a class) includes comments, headers, namespace, main() and input/output statements
Explanation:
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Answer:
Structure of a c++ program:
A c++ program is structured in a specific and particular manner. In c++ ,a program is divided into following three sections :
- Standard Librarian section.
- Main function section.
- Function body section.
1) Standard Librarian section:
● Is a specific preprocesser command that effectively copies and pastes the entire text of the file, specified between the angle brackets, into the source code.
● The file which Is a standard file that should come with the c++ compiler , is short for input-output streams .This command contains code for displaying and getting an input from the users .
● Namespace is a prefix that applied to all the names in a certain set. Iostream file defines two names used in this program -cout and endl.
● This code is saying : use the cout and endl tools from the std toolbox.
2) Main function section:
● The starting point of all c++ programs is the main function.
● This function is called by the operating system when your program is executed by the computer .
● ( { ) Signifies the start of a block of code , and ( } ) is signifies the end .
3) Function body section:
● The name cout is short for character output and displays whatever is between the<< brackets.
● Symbols such as << can also behave like functions and are used with the keyword cout
● The return keyword tells a program to return a value of the function intmain .
● After the return statement , execution control returns to the operating system component that launched this program.
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