Variables in C#

Question

Please explain variables in depth

Answer 1

Easy!

//var
"var" is the lazy man of variables. If you're unsure what type of value an output will produce, then using "var" will have the compiler decide what variable is best fitted for the output. Though it is microscopically slower than all other types, so avoid using this unless absolutely needed.

//float
In a Visual Studio based environment, these are useless, as they only hold 7 numbers and a decimal. However, in engines like Unity, you will be forced to use these ALL the time.

//double
The big brother of "float", a double can hold a max of (if I remember correctly) 16 numbers, along with a decimal. It allows for VERY precise numbers, in fact the real name of a double is a double precision float.

//int
An "int" is your average Joe. Allowing you to use any whole number you please, and is the most basic value type for numbers.

//string
You will be forced to work with these monsters a TON. A string allows a long sequence of characters to either be displayed or manipulated, while also giving the possibility to convert them out to other value types.

//char
Short for character, this variable is fairly useless alone, only allowing a max of one character. Do note though, that these will become useful in advanced manipulation of strings.

//bool
A boolean, my favorite kind of variable. Booleans work by accepting a true or false output. No matter what you get into, the bool will almost always be used. So DEFINITELY remember how to use these.

I hope this helps not only you, but everyone else who needed help on these. If you have any further questions, feel free to ask me.

Answer 2

Dont forget byte and sbyte, very useful for saving memory if you are storing small numbers or doing something directly related to memory

IntPtr and UIntPtr are also useful for storing pointers or handles

Answer 3

Thank you :)

Answer 4

and int8,int32 etc?