📄 choice8.mht
字号:
-font-family:
"Times New Roman";color:black'>(c) maintenance testing<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'>(d) regression testing<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Correct
answer is <span style=3D'mso-tab-count:1'> </=
span>(d)<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Your
score on this question is: <span style=3D'mso-tab-count:1'> &nbs=
p; </span>10.00<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Feedback:
<span style=3D'mso-tab-count:1'> </span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-spacerun:yes'>
</span>See section 8.2 of the course notes. See section 15.4.2 in the textb=
ook.
<span style=3D'mso-tab-count:1'> </span=
><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>7.
<span style=3D'mso-tab-count:1'> </span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>When
the only documentation available for a software code is the code itself, the
process of reconstructing the design and specifications is called <span
style=3D'mso-tab-count:1'> </span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>(a)
backward engineering<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'>(b) forward engineering<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'>(c) reverse engineering<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'>(d) reengineering<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Correct
answer is <span style=3D'mso-tab-count:1'> </=
span>(c)<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Your
score on this question is: <span style=3D'mso-tab-count:1'> &nbs=
p; </span>10.00<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Feedback:
<span style=3D'mso-tab-count:1'> </span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-spacerun:yes'>
</span>See section 15.7, pages 514–5 in the textbook. <span
style=3D'mso-tab-count:1'> </span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>8.
<span style=3D'mso-tab-count:1'> </span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Inheritance
in object-oriented systems makes maintenance <span style=3D'mso-tab-count:1=
'> </span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>(a)
easier because code is localized<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'>(b) easier because code is reused and does n=
ot
need retesting<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'>(c) harder because the type of values may ch=
ange
at run time<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'>(d) harder because definitions may be spread=
out
all over the code<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Correct
answer is <span style=3D'mso-tab-count:1'> </=
span>(d)<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Your
score on this question is: <span style=3D'mso-tab-count:1'> &nbs=
p; </span>10.00<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Feedback:
<span style=3D'mso-tab-count:1'> </span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-spacerun:yes'>
</span>See section 8.3 of the course notes. See section 15.5 in the textboo=
k. <span
style=3D'mso-tab-count:1'> </span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>9.
<span style=3D'mso-tab-count:1'> </span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Which
of the following is (are) true about specific classes in the Java class
hierarchy that derive their code from classes higher up in the hierarchy?<o=
:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-spacerun:yes'>
</span>1. The methods of derived classes may differ from methods with the s=
ame
name from base classes.<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-spacerun:yes'>
</span>2. Hidden class incompatibilities may be created.<o:p></o:p></span><=
/p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-spacerun:yes'>
</span>3. The fragile-base class problem may be created.<o:p></o:p></span><=
/p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span><o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>(a)
I, II, and III<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'>(b) III only<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'>(c) II and III only<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'>(d) I and II only<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Correct
answer is <span style=3D'mso-tab-count:1'> </=
span>(a)<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><span style=3D'mso-tab-count:1'> =
</span>Your
score on this question is: <span style=3D'mso-tab-count:1'> &nbs=
p; </span>10.00<o:p></o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
-font-family:
"Times New Roman";color:black'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-family:Arial;mso-bidi=
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