Mastering C++: A Comprehensive Quiz Based on 'Thinking in C++' 2025 - Free C++ Practice Questions and Study Guide

Question: 1 / 565

Where must the function declaration including default arguments be placed?

In the implementation file

In the header file

Function declarations including default arguments must be placed in the header file. This allows for the default arguments to be known to any other files that are accessing the function. Placing it in the implementation file or class definition may cause issues with other files trying to use the function. Placing it anywhere in the program is not the best practice and can lead to confusion and potential errors. Thus, the correct choice is B.

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In the class definition

Anywhere in the program

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