Question $20$

$5$ pts

How many public instance variables are there?

Refer to the following UML Class Diagram when answering this question.

Pet

name : int

age : String

hasFleas : Boolean

LicenseNumber : String

weight : float

Pet $()$

Pet$($name : String, age : int$)$

getName$()$: String

setName$($name : String$)$ : void

getAge$()$ : int

setAge$($age : int$)$ : void

speak$()$ : void

scratch$($itches : int$)$ : void

tostring$()$ : String

Quiz saved at $12\mathrm{.}09$ am