@startuml
skinparam classAttributeIconSize 0
class CrewMember {
    - name: String
    - position: String
    - rank: String
    - species: String
    - assignment: String
    + <<constructor>> CrewMember(name: String, position: String, rank: String, species: String, assignment: String)
    + <<constructor>> CrewMember(name: String, position: String, rank: String, species: String)
    + toString(): String
    + getName(): String
    + setName(name: String)
    + getPosition(): String
    + setPosition(position: String)
    + getRank(): String
    + setRank(rank: String)
    + getSpecies(): String
    + setSpecies(species: String)
    + getAssignment(): String
    + setAssignment(assignment: String)
}

skinparam classAttributeIconSize 0
class Starship {
    - name: String
    - registry: String
    - starshipClass: String
    - crew: ArrayList<CrewMember>
    + <<constructor>> Starship(name: String, registry: String, starshipClass: String)
    + toString(): String
    + addCrewMember(crewMember: CrewMember)
    + getNumberOfPersonnel(): Integer
    + getName(): String
    + setName(name: String)
    + getRegistry(): String
    + setRegistry(registry: String)
    + getCrew(): ArrayList<CrewMember>
    + setCrew(crew: ArrayList<CrewMember>)
    + getStarshipClass(): String
    + setStarshipClass(starshipClass: String)
}

skinparam classAttributeIconSize 0
class Fleet {
    - name: String
    - starships: ArrayList<Starship>
    + <<constructor>> Fleet(name: String)
    + toString(): String
    + getSizeOfFleet(): Integer
    + addStarship(starship: Starship)
    + getName(): String
    + setName(name: String)
    + getStarships(): ArrayList<Starship>
    + setStarships(starships: ArrayList<Starship>)
    + loadStarships(starshipsDirectory: String)
}

skinparam classAttributeIconSize 0
class Lab2 {
    + _  main(args: String[]): void
}

Fleet o-- Starship
Starship o-- CrewMember
Lab2 ..|> Fleet
@enduml