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  1. stackoverflow.com › questions › 4103086#defining constants in C++ - Stack Overflow

    Nov 5, 2010 · In C++, a const-qualified object that is initialized with a constant expression (like const int x = 5 * 2;) is a constant and can be used in a constant expression, so you can and should use them. Share

  2. www.geeksforgeeks.org › how-to-define-constants-in-cppHow to Define Constants in C++? - GeeksforGeeks

    Jan 15, 2024 · Different Ways to Define Constants in C++. In general, we can define constants using the const keyword but C++ also provides more methods to define constants. Some of the methods to define constants in C++ are: Using const Keyword; Using Macro; Using enum; Using constexpr; Constants defined using each of these keywords have some similar and ...

  3. www.geeksforgeeks.org › cpp-constantsConstants in C++ - GeeksforGeeks

    Nov 15, 2023 · Constants in C++ refer to variables with fixed values that cannot be changed. Once they are defined in the program, they remain constant throughout the execution of the program. They are generally stored as read-only tokens in the code segment of the memory of the program.

  4. cplusplus.com › doc › tutorialConstants - C++ Users

    Constants are expressions with a fixed value. Literals are the most obvious kind of constants. They are used to express particular values within the source code of a program. We have already used some in previous chapters to give specific values to variables or to express messages we wanted our programs to print out, for example, when we wrote: 1.

  5. www.programiz.com › cpp-programming › constantsC++ Constants - Programiz

    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.

  6. www.w3schools.in › cplusplus › constantsC++ Constants - W3Schools

    What are Constants? Constants refer to as fixed values; Unlike variables whose value can be changed, constants - as the name implies, do not change; They remain constant. A constant must be initialized when created, and new values cannot be assigned to it later. Constants are also called literals. Constants can be any of the data types.

  7. www.w3schools.com › cpp › cpp_variables_constantsC++ Constant Variables - W3Schools

    Constants. When you do not want others (or yourself) to change existing variable values, use the const keyword (this will declare the variable as "constant", which means unchangeable and read-only ): Example. const int myNum = 15; // myNum will always be 15. myNum = 10; // error: assignment of read-only variable 'myNum' Try it Yourself »