class diagram

Request

-username:String-email:String-status :boolean

-sendEmail()-sendRequest()

Account

-usertype: int-username:String-password:String

-addVolunteerAccount(vol:Volunteer)-editVolunteerAccount(vol:Volunteer)-deleteVolunteerAccount(volid:int)-addManagerAccount(ma:Manager)-addManagerAccount(ma:Manager)-addManagerAccount(ma:Manager)

Administrator

- username: String- password: String- email :String- usertype: int

Service

-serviceDescription: String-volunteerNumber: int-starttim : Date-endtime: Date-createPersonId:id

-placeService()-editService(ser:Service)-postServices(ser:Services)-deleteService(serviceid:int)

Manager

-handleRequest(re:Request)

Volunteer

- username: String- password: String- email :String- usertype: int-userid: int