Modern C++ for Absolute Beginners: A Friendly Introduction to the C++ Programming Language and C++11 to C++23 Standards

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023

S. DmitrovićModern C++ for Absolute Beginnershttps://doi.org/10.1007/978-1-4842-9274-7_34

34. Exceptions

Slobodan Dmitrović¹  

(1)

Belgrade, Serbia

 

If an error occurs in our program, we want to be able to handle it in some way. One way to do this is through exceptions. Exceptions are mechanisms where we try to execute some code in the try{} block, and if an error occurs, an exception is thrown. The control is then transferred to a catch clause, which handles that exception. A structure of a try/catch block would be:

int main()

{

    try

    {

        // your code here

        // throw an exception if there is an error

    }

    catch (type_of_the_exception e)

    { ...