第45題
Given that:
Gadget has-a Sprocket and
Gadget has-a Spring and
Gadget is-a Widget and
SCJP 6.0 認證教戰手冊 黃彬華著 碁峰出版
24
Widget has-a Sprocket
Which 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{}
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