a way to describe how your class utilizes objects
Variables
First
Minus(-) : variable is private Plus(+): variable is public
Then
instance variables/attribute names ALL CAPS for constants underline for static variables
Finally
colon (:) data type
Methods
First
Minus(-): method is private Plus(+): method is public
Followed By
methods/behavior name underline for static variables
Then
empty brackets () if no parameters brackets with (parameter name:datatype)
Finally
colon(:) return datatype blank if void return