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The c++ const keyword is used to specify that the value of a variable cannot be changed. In this tutorial, you will learn about c++ constants with the help of examples. Constants are like a variable except that once defined, their value never changes during the program's execution.
Defining constants there are two simple ways in c++ to define constants âˆ' using #define preprocessor. Using const keyword. The #define preprocessor following is the form to use #define preprocessor to … Preprocessor definitions (#define) another mechanism to name constant values is the use of preprocessor definitions. They have the following form: #define identifier replacement after this …
They have the following form: #define identifier replacement after this …
