How many methods return an int?

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