第45題Given that:Gadget has-a Sprocket andGadget has-a Spring andGadget is-a Widget andSCJP 6.0 認證教戰手冊 黃彬華著 碁峰出版24Widget has-a SprocketWhich two code fragments represent these relationships? (Choose two.)
(A) class Widget{Sprocket s;}class Gadget extends Widget{Spring s;}
(B) class Widget{}class Gadget extends Widget{Spring s1; Sprocket s2;}
(C) class Widget{Sprocket s1; Spring s2;}class Gadget extends Widget{}
(D) class Gadget{Spring s;}class Widget extends Gadget{Sprocket s;}
(E) class Gadget{}class Widget extends Gadget{Sprocket s1; Spring s2;}F. class Gadget{Spring s1; Sprocket s2;}class Widget extends Gadget{}