Feb 7, 2010 · A constant variable has its value constant in whole of the code. For example, if you set the constant variable like " const int a=5 ", then this value for "a" will be constant in whole of your program.

Jan 20, 2014 · A const variable most certainly is immutable. The question isn't whether const confers immutability, it's to what does const confer immutability? If the variable holds a reference to an …

I am trying to get a sense of how I should use const in C code. First I didn't really bother using it, but then I saw a quite a few examples of const being used throughout. Should I make an effort ...

May 30, 2015 · Please help me understand the difference between constant variables and final variables in Java. I am a bit confused with it.

Apr 26, 2015 · Just to clarify, what is the difference in specifying constants and variables in C, and really, when do you need to use a constant instead of a variable? I know folks say to use a constant when …

Apr 21, 2010 · 1438 You cannot declare a variable or value as constant in Python. To indicate to programmers that a variable is a constant, one usually writes it in upper case:

It has no effect on whether a variable is constant or not - in fact, such variables are often specifically non-constant so that initialization can be cached. The difference between using const and #define is …

In practice, the main thing that changes is scope: constant variables obey the same scoping rules as standard variables in C, meaning that they can be restricted, or possibly redefined, within a specific …

The sizes of statically-bounded arrays need to be constant expressions, and unfortunately in C that's only something like a literal constant or a sizeof expression or such like, but not a const -typed variable.

Oct 16, 2009 · I wonder where constant variables are stored. Is it in the same memory area as global variables? Or is it on the stack?