C++ Variables
Presentation
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Computers
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University
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Practice Problem
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Hard
Kittisay SENGTHONG
Used 46+ times
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13 Slides • 13 Questions
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C++ Variables
ຕົວປ່ຽນຂອງພາສາ C++
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Declaring (Creating) Variables
To create a variable, you must specify the type and assign it a value:
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Syntax variable C++
Where type is one of C++ types (such as int), and variable is the name of the variable (such as x or myName). The equal sign is used to assign values to the variable.
Create a variable called myNum of type int and assign it the value 15:
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Syntax Variables
You can also declare a variable without assigning the value, and assign the value later:
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Syntax Variables
Note that if you assign a new value to an existing variable, it will overwrite the previous value:
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C++ Identifiers
how to create Variables is very good
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C++ Constants
When you do not want others (or yourself) to override existing variable values, use the const keyword (this will declare the variable as "constant", which means unchangeable and read-only):
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Poll
C++ Variables
ຕົວປ່ຽນຂອງພາສາ C++
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