자격증/OCJP_ExamD

QUESTION 25

IT grow. 2018. 8. 4. 17:03
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QUESTION 25
Given
that:
Gadget has-a Sprocket and Gadget has-a Spring and Gadget is-a Widget and 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 {
Solution : AC


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