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Lesson 8 - Constant values

C++ introduces the const keyword, which is (as the name implies) designed to create constant values. We'll talk about how we can use it in our programs.

Constant values

A constant value is a value that can't be changed. We define it only once, we assign a value to it directly at the declaration, but if we want to change the value somewhere else, the compiler won't allow it. We mark the variable as constant with the keyword


 

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Article description

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In this article, we will look at another of the C++ keywords - const. Thanks to const, we can use constant values that cannot be changed in the program.

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Article has been written for you by Richard Bleier
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