Variables
There are different types of variables available in c++ with different keywords :
- int - It stores integers without the decimals .(EX): 635 or -635
- double - It stores floating point numbers with decimals.(EX): 19.55 or -19.55
- char - It stores single characters and they are surrounded by single quotes.(EX):'a' and 'b'
- string - It stores texts and they are surrounded by double quotes.(EX):"Gocourse"
- boolean - It stores values with two states.(EX):True or False
Declaration Of Variables:
- To create a variable, specify the type and assign the value.
- To combine both text and a variable, separate them with the (<< )operator.
- A variable name must only contain alphabets,digits and underscore.
- A variable name must start with an alphabet or an underscore only. It cannot start with a digit.
- No whitespace is allowed within the variable name.
- A variable name must not be any reserved word or keyword.
- To add a variable to another variable ,you can use the (+) operator.
- To declare more than one variable of the same type,use comma(,).