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Functions in C++ Interview Questions & Answers

Below we have listed all the Functions in C++ Interview Questions and answers. Feel free to comment on any Functions in C++ Interview Questions or answer by the comment feature available on the page.

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Functions in C++ Interview Questions & Answers

A function is a group of statements that together perform a task. Every C++ program has at least one function, which is main(), and all the most trivial programs can define additional functions. You can divide up your code into separate functions. Functions allow to structure programs in segments of code to perform individual tasks. In C++, a function is a group of statements that is given a name, and which can be called from some point of the program. The most common syntax to define a function is: type name ( parameter1, parameter2, ...) { statements }.

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What does the keyword virtual mean in the method definition?
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What is the syntax for calling an overloaded constructor within a constructor (this() and constructorname() does not compile)?
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What are inline functions?

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1.why the six operators cann't be overloaded?

2.why main() is a userdefined function?
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What is friend function?
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What is an explicit constructor?
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What does extern mean in a function declaration?
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