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📁 卡耐基梅隆大学 SSD课程体系 ssd1 exam2 答案
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ily:
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ase
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size:
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ing:
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  &quot;Submit Answers&quot; button when you have completed those questions=
.</span><span
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amily:
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document.write('<td class=3Dinstructions>' + 'You have 90 minutes to take t=
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idow-orphan'><a
name=3D"top_6588732"></a><span lang=3DEN-US style=3D'font-size:12.0pt;font-=
family:
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:widow-orphan'><span
  lang=3DEN-US style=3D'font-size:12.0pt;font-family:SimSun;mso-bidi-font-f=
amily:
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  </td>
  <td width=3D12 nowrap valign=3Dtop style=3D'width:9.0pt;padding:.75pt .75=
pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dright style=3D'text-align:right;mso-paginati=
on:widow-orphan'><span
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ly:Verdana;
  mso-bidi-font-family:SimSun;color:black;mso-font-kerning:0pt'>1.</span><s=
pan
  lang=3DEN-US style=3D'font-size:12.0pt;font-family:SimSun;mso-bidi-font-f=
amily:
  SimSun;mso-font-kerning:0pt'><o:p></o:p></span></p>
  </td>
  <td width=3D10 style=3D'width:7.2pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dleft style=3D'text-align:left;mso-pagination=
:widow-orphan'><span
  lang=3DEN-US style=3D'font-size:12.0pt;font-family:SimSun;mso-bidi-font-f=
amily:
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:widow-orphan'><span
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amily:
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  href=3D"https://www.icarnegie.com/takeassmcmd.php#6588732#6588732"><span
  style=3D'mso-bidi-font-size:12.0pt'>Go to bottom of question.</span></a> =
<o:p></o:p></span></p>
  </td>
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<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;mso-pagination:w=
idow-orphan'><span
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ily:
SimSun;display:none;mso-hide:all;mso-font-kerning:0pt'><o:p>&nbsp;</o:p></s=
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<table class=3DMsoNormalTable border=3D0 cellpadding=3D0 style=3D'mso-cells=
pacing:1.5pt'>
 <tr style=3D'mso-yfti-irow:0;mso-yfti-firstrow:yes;mso-yfti-lastrow:yes'>
  <td width=3D10 style=3D'width:7.2pt;padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dleft style=3D'text-align:left;mso-pagination=
:widow-orphan'><span
  lang=3DEN-US style=3D'font-size:12.0pt;font-family:SimSun;mso-bidi-font-f=
amily:
  SimSun;mso-font-kerning:0pt'><o:p>&nbsp;</o:p></span></p>
  </td>
  <td style=3D'padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal align=3Dcenter style=3D'mso-margin-top-alt:auto;mso-=
margin-bottom-alt:
  auto;text-align:center;mso-pagination:widow-orphan;mso-outline-level:2'><=
b><span
  lang=3DEN-US style=3D'font-size:14.0pt;font-family:"Trebuchet MS";mso-bid=
i-font-family:
  SimSun;color:#333333;mso-font-kerning:0pt'>Fish Simulation<o:p></o:p></sp=
an></b></p>
  <p class=3DMsoNormal align=3Dleft style=3D'mso-margin-top-alt:auto;mso-ma=
rgin-bottom-alt:
  auto;text-align:left;mso-pagination:widow-orphan;mso-outline-level:3'><b>=
<span
  lang=3DEN-US style=3D'font-size:12.0pt;font-family:"Trebuchet MS";mso-bid=
i-font-family:
  SimSun;color:#003366;mso-font-kerning:0pt'>Description<o:p></o:p></span><=
/b></p>
  <p class=3DMsoNormal align=3Dleft style=3D'mso-margin-top-alt:auto;mso-ma=
rgin-bottom-alt:
  auto;text-align:left;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:9.0pt;font-family:Verdana;mso-bidi-font-family:SimSun;
  color:black;mso-font-kerning:0pt'>This simulation builds on the simulation
  you have been working with, as given in <a
  href=3D"javascript:ContentByName('pg-simulation');"><span style=3D'mso-bi=
di-font-size:
  12.0pt'>Appendix C. Simulation of Living Beings in a Lake</span></a>. You=
 are
  required to add new functionality so the catfish can mate and produce
  offspring: Write a </span><span lang=3DEN-US style=3D'font-size:12.0pt;
  font-family:SimSun;mso-bidi-font-family:SimSun;color:black;mso-font-kerni=
ng:
  0pt'>findMate</span><span lang=3DEN-US style=3D'font-size:9.0pt;font-fami=
ly:Verdana;
  mso-bidi-font-family:SimSun;color:black;mso-font-kerning:0pt'> method in =
the </span><span
  lang=3DEN-US style=3D'font-size:12.0pt;font-family:SimSun;mso-bidi-font-f=
amily:
  SimSun;color:black;mso-font-kerning:0pt'>Catfish</span><span lang=3DEN-US
  style=3D'font-size:9.0pt;font-family:Verdana;mso-bidi-font-family:SimSun;
  color:black;mso-font-kerning:0pt'> class to find a mate. You are given the
  remainder of the </span><span lang=3DEN-US style=3D'font-size:12.0pt;font=
-family:
  SimSun;mso-bidi-font-family:SimSun;color:black;mso-font-kerning:0pt'>Catf=
ish</span><span
  lang=3DEN-US style=3D'font-size:9.0pt;font-family:Verdana;mso-bidi-font-f=
amily:
  SimSun;color:black;mso-font-kerning:0pt'> class.<o:p></o:p></span></p>
  <p class=3DMsoNormal align=3Dleft style=3D'mso-margin-top-alt:auto;mso-ma=
rgin-bottom-alt:
  auto;text-align:left;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:9.0pt;font-family:Verdana;mso-bidi-font-family:SimSun;
  color:black;mso-font-kerning:0pt'>For a catfish to mate and produce
  offspring, the following must be true:<o:p></o:p></span></p>
  <ul type=3Ddisc>
   <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-m=
argin-bottom-alt:
       auto;text-align:left;mso-pagination:widow-orphan;mso-list:l3 level1 =
lfo1;
       tab-stops:list 36.0pt'><span lang=3DEN-US style=3D'font-size:9.0pt;
       font-family:Verdana;mso-bidi-font-family:SimSun;mso-font-kerning:0pt=
'>The
       catfish and its mate must be in the same cell of the lake. <o:p></o:=
p></span></li>
   <li class=3DMsoNormal style=3D'color:black;mso-margin-top-alt:auto;mso-m=
argin-bottom-alt:
       auto;text-align:left;mso-pagination:widow-orphan;mso-list:l3 level1 =
lfo1;
       tab-stops:list 36.0pt'><span lang=3DEN-US style=3D'font-size:9.0pt;
       font-family:Verdana;mso-bidi-font-family:SimSun;mso-font-kerning:0pt=
'>The
       catfish and its mate must be at least 10 time-blocks old. <o:p></o:p=
></span></li>
  </ul>
  <p class=3DMsoNormal align=3Dleft style=3D'mso-margin-top-alt:auto;mso-ma=
rgin-bottom-alt:
  auto;text-align:left;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:9.0pt;font-family:Verdana;mso-bidi-font-family:SimSun;
  color:black;mso-font-kerning:0pt'>The catfish has to spend some energy to
  mate. Its mate does not spend any energy. The offspring has to be added to
  the simulation.<o:p></o:p></span></p>
  <p class=3DMsoNormal align=3Dleft style=3D'mso-margin-top-alt:auto;mso-ma=
rgin-bottom-alt:
  auto;text-align:left;mso-pagination:widow-orphan;mso-outline-level:3'><b>=
<span
  lang=3DEN-US style=3D'font-size:12.0pt;font-family:"Trebuchet MS";mso-bid=
i-font-family:
  SimSun;color:#003366;mso-font-kerning:0pt'>Example Solution<o:p></o:p></s=
pan></b></p>
  <p class=3DMsoNormal align=3Dleft style=3D'mso-margin-top-alt:auto;mso-ma=
rgin-bottom-alt:
  auto;text-align:left;mso-pagination:widow-orphan'><span lang=3DEN-US
  style=3D'font-size:9.0pt;font-family:Verdana;mso-bidi-font-family:SimSun;
  color:black;mso-font-kerning:0pt'>To observe the functionality of the
  simulation, download <a
  href=3D"https://www.icarnegie.com/content/SSD/SSD1/2.1/normal/pg-exam-int=
ro-java-oop/assm-exam-pr-intro-java-oop/pool-pr-exam-intro-java-oop/qn-pr-c=
atfish-mates/handout/sample.zip"><span
  style=3D'mso-bidi-font-size:12.0pt'>sample.zip</span></a> and extract its

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