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A problem about IS-A
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Fu Dong Jia
Ranch Hand
Joined: May 23, 2007
Posts: 131
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Which statements are true(choose all that applay)
a,is-a relationships always rely on inherritance.
b,is-a relationships always rely on instance variables.
c,is-a relationships always require at least two class types.
d,is-a relationships always rely on Polymorphism.
e,is-a relationships always tighthy coupled.
the answer is a,c and d.
I think there is only c is right.
Can anyone explain this.
thanks in advance.
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who dare win!<br />SCJP5(94%)|SCWCD5(86%)|SCBCD(100%)|SCEA in progress
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Kelvin Chenhao Lim
Ranch Hand
Joined: Oct 20, 2007
Posts: 513
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As you've discovered, this particular K&B mock exam question is unfortunately not very precise. See this thread for an earlier discussion of this question, including a brief comment by Bert.
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SCJP 5.0
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Fu Dong Jia
Ranch Hand
Joined: May 23, 2007
Posts: 131
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Thanks Kelvin!
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subject: A problem about IS-A
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