Computer <|-- Laptop

class Computer{
    - name: brand
    + SetBrand(brandP: string)
    + Computer(bP: string)
    + ToString() string
}

class Laptop{
    + «property» Battery: double
    - int screenSize
    + «property» ScreenSize: int 
    + Laptop(baP: double, ssP: int, brP: string)
    + ToString() string
}