A variable holds a value that you can use and change throughout your code so long as the variable is within scope. With variable declaration, you not only want to know the syntax of how you declare a variable but you also want to know where. Are you allowed to declare a variable inline? What are the available scopes: local vs. global. Can you assign a value at the same time you declare a variable?
C++ Variables
Variable names are case sensitive.
The fundamental variable types in C++ are char, shortint, int, long int, bool, float, double, long double, and wchar_t. The integer data types char, short, long and int can be either signed or unsigned. Signed variables are positive and negative. Unsigned variables are positive only.
Syntax Example:
C++, Java, and C# all use C-like variable declaration.
C++
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