Variables

Variable types must be declared:

Signed 

• sbyte    -128 to +127
• short    -32768 to +32767
• int        - 2^31 to +2^31-1
• long     -2^63 to +2^63-1

UnSigned 

• byte       -  0 to 255
• ushort    - 0 1o 65535
• uint        - 0 to 2^32-1
• ulong     - 0 to 2^64-1
• int         - hexadecimal (base 16)

Floating point

• float
• double
• decimal

Char

• char

Boolean

• bool

String

• string

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Variables of the same type can be declared sequentially, when separated by commas:
int myInt1 = 10, myInt1 = 101, myInt1 = 500000, myInt1 = 8,


int can be any kind of number except a floating point
String FirstString = "";//<--This is the identifier = "";
String SecondString = "";//I could allocate now if I wanted
//Or I can allocate data to the string var later in the program like this
FirstString = "Lorem";
SecondString = "Ipsom":

In the case of a constant: it must be initializedConst String FirstString = "Sit Amet";
This is helpful in a large program so you don't accidentally change something that shouldn't be changed.

Float DeciNumber = 3.14f;//You need an F here
Double can hold more memory and is like a bigger version of float
Double DeciNumber = 3553435.34531112;//You dont need an F here

Boolean //Chicken Flavored

bool Tralse = false;

if (Tralse) {
    run this statement;
} //This statement will not run because because it is false. If tralse were set to true it would run.

bool Tralse;
Tralse = (42 < 48);//You can also put a series of conditions in here joined by logical operators
if (Tralse) {
    run this statement;
} //This statement will run because because it is true.