What are the best practices for using constants in programming?

What are the best practices for using constants in programming?

Using constants improves code readability and maintainability. Always use descriptive names and group related constants.

Should I use uppercase letters for constant names?

Yes, it's a common convention to use uppercase letters with underscores for constant names, like MAX_VALUE.

Is it better to define constants in a separate file?

It depends on the project size. For larger projects, defining constants in a separate file can help organize your code.

Can constants be changed during runtime?

No, constants should remain unchanged throughout the program. If you need a variable value, use a regular variable instead.