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C++ with Cevelop 17 - Global And Local Variables (Where are they?)

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First published at 21:10 UTC on April 12th, 2020.

King Tut

King_Tut

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We learned about how variables are used. The question for this is does it matter where variables are declared?

Short answer: Yes!

Long answer: When you are declaring a variable inside of a main function or functions that you declared and defined,…

We learned about how variables are used. The question for this is does it matter where variables are declared?

Short answer: Yes!

Long answer: When you are declaring a variable inside of a main function or functions that you declared and defined, it is used under that function and other functions cannot make use of the same variable. This is called a local variable. The variable is local to the function. If you declared the variable on top of all functions (including main), every function will make use of that variable. This is called a global variable. The variable is used globally by all functions.

I would not recommend global functions and I will show you why in future tutorials to help you get an understanding.

Hope this helps!

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The IDE and Compiler I use for C++ with Cevelop series:
Cevelop (version may vary) - https://www.cevelop.com/
MSYS2 (version may vary) - https://www.msys2.org/
Getting Started Tutorial - https://www.youtube.com/watch?v=U0ZOG...

Check out my source code for my Github Page:
Github - https://github.com/king-tut-learn

Email - [email protected]

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https://www.patreon.com/user?u=32923326

#dev #programming #cpp

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