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How do I declare a variable in C++?

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Experienced Computer trainer having worked in IT sector for 20 years.

Declaring (Creating) Variables type variableName = value; Where type is one of C++ types (such as int ), and variableName is the name of the variable (such as x or myName). The equal sign is used to assign values to the variable.
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Variable names in the C++ program are case sensitive. So one needs to be very specific while declaring a variable. For example, int x and int X are 2 different variables of type 'int'. While declaring a variable, variable names can consist of all uppercase letters 'A-Z', lowercase letters 'a-z', numbers...
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Related Questions

What is the actual size of INT in the C language, 2 or 4 bytes?
The actual size to int is determined by the compiler as the program runs. But theoretically the size is 2 bytes. You can increase the size by adding keyword long infront of it to make the size 4 bytes. Eg int a; // 2 bytes Long int b; // 4 bytes
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