C++ Programs Asked in Interview for Freshers - 1
What are functions?
Functions are the building blocks of C++ programs. Functions are also the executable segments in a program.
The starting point for the execution of a program is main ().
What are the advantageous of Functions?
Functions are advantageous as they –
Reduce the size of the program.
Induce reusability of code.
Reusability of code (function fact is executed more than once).
A function can be shared by other programs by compiling it separately and loading them together.
What is calling a function?
A function can be called or invoked from another function by using its name. The function name may include a set of actual parameters, enclosed in parenthesis separated by comma.
What are the two methods used in Functions?
In C++, functions that have arguments can be invoked by
Call by value and
Call by reference.
What is an inline function?
An inline looks like a normal function in the source file but inserts the function’s code directly into the calling program.
Inline functions execute faster but require more memory space.
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