CustomerSystem

IndividualCustomer

- ID: int- name: string- HTN: int- email: string

+ IndividualCustomers(int ID)+ getID(): int+ getName(): string+ getHomeTelephoneNumber(): string+ getEmail(): string+ setName(string name): void+ setHomeTelephoneNumber(string HTN): void+ setEmail(string email): void

InstitutionalCustomers

- ID: int- contactPersons: ArrayList

- InstitutionalCustomer(int ID)+ getID(): int+ getContactPersonAt(int i): ContactPerson+ addNewContact(): void+ getContactAt(string name)+ removeContactAt(string name)

ContactPerson

- name: string- HTN: int- email: string- WTN: int- jobPosition: string

+ getName(): string+ getHomeTelephoneNumber(): string+ getEmail(): string+ getWorkTelephoneNumber(): string+ getJobPosition(): string+ setName(string name): void+ setHomeTelephoneNumber(string HTN): void+ setWorkTelephoneNumber(string WTN): void+ setEmail(string email): void+ setJobPosition(string jobPosition): void

CustomerSystem

- individualCustomers: ArrayList- institutionalCustomers: ArrayList