https://mathonline.se/index.php?action=history&feed=atom&title=Variablers_livsl%C3%A4ngd_%26_%C3%96verskuggning_av_variabler
Variablers livslängd & Överskuggning av variabler - Versionshistorik
2026-06-25T18:32:37Z
Versionshistorik för denna sida på wikin
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https://mathonline.se/index.php?title=Variablers_livsl%C3%A4ngd_%26_%C3%96verskuggning_av_variabler&diff=16428&oldid=prev
Taifun den 12 januari 2025 kl. 16.24
2025-01-12T16:24:26Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Versionen från 12 januari 2025 kl. 16.24</td>
</tr><tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">__TOC__</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">__NOTOC__</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979" width="5px" | &nbsp;</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979" width="5px" | &nbsp;</div></td></tr>
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Taifun
https://mathonline.se/index.php?title=Variablers_livsl%C3%A4ngd_%26_%C3%96verskuggning_av_variabler&diff=16426&oldid=prev
Taifun den 12 januari 2025 kl. 16.21
2025-01-12T16:21:48Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Versionen från 12 januari 2025 kl. 16.21</td>
</tr><tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">__NOTOC__</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">__TOC__</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979" width="5px" | &nbsp;</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979" width="5px" | &nbsp;</div></td></tr>
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Taifun
https://mathonline.se/index.php?title=Variablers_livsl%C3%A4ngd_%26_%C3%96verskuggning_av_variabler&diff=4780&oldid=prev
Taifun den 30 november 2022 kl. 07.55
2022-11-30T07:55:51Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Versionen från 30 november 2022 kl. 07.55</td>
</tr><tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">__TOC__</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">__NOTOC__</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979" width="5px" | &nbsp;</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979" width="5px" | &nbsp;</div></td></tr>
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Taifun
https://mathonline.se/index.php?title=Variablers_livsl%C3%A4ngd_%26_%C3%96verskuggning_av_variabler&diff=4749&oldid=prev
Taifun den 27 november 2022 kl. 17.15
2022-11-27T17:15:22Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Versionen från 27 november 2022 kl. 17.15</td>
</tr><tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">__NOTOC__</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">__TOC__</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979" width="5px" | &nbsp;</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979" width="5px" | &nbsp;</div></td></tr>
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Taifun
https://mathonline.se/index.php?title=Variablers_livsl%C3%A4ngd_%26_%C3%96verskuggning_av_variabler&diff=4732&oldid=prev
Taifun den 27 november 2022 kl. 15.34
2022-11-27T15:34:31Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Versionen från 27 november 2022 kl. 15.34</td>
</tr><tr><td colspan="2" class="diff-lineno">Rad 2:</td>
<td colspan="2" class="diff-lineno">Rad 2:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979" width="5px" | &nbsp;</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979" width="5px" | &nbsp;</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>{{Not selected tab|[[Lektion 24 (Csharp 2)|Lektion 24]]}}</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">{{Not selected tab|[[Lektion 5 (OOP)| <<&nbsp;&nbsp;Agenda]]}}</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><!-- </ins>{{Not selected tab|[[Lektion 24 (Csharp 2)|Lektion 24]]}} <ins class="diffchange diffchange-inline">--></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{{Selected tab|[[Variablers livslängd & Överskuggning av variabler|Genomgång]]}}</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>{{Selected tab|[[Variablers livslängd & Överskuggning av variabler|Genomgång]]}}</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>{{Not selected tab|[[Övningar 24 (Csharp 2)|Övningar]]}}</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">{{Not selected tab|[[Övningar 5 (OOP)|Dagens övningar]]}}</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><!-- </ins>{{Not selected tab|[[Övningar 24 (Csharp 2)|Övningar<ins class="diffchange diffchange-inline">]]}} --></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">{{Not selected tab|[[Lektion 6 (OOP)|Nästa lektion&nbsp;&nbsp;>> </ins>]]}}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979"  width="100%"| &nbsp;</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style="border-bottom:1px solid #797979"  width="100%"| &nbsp;</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr>
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Taifun
https://mathonline.se/index.php?title=Variablers_livsl%C3%A4ngd_%26_%C3%96verskuggning_av_variabler&diff=4730&oldid=prev
Taifun den 27 november 2022 kl. 15.30
2022-11-27T15:30:11Z
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Versionen från 27 november 2022 kl. 15.30</td>
</tr><tr><td colspan="2" class="diff-lineno">Rad 79:</td>
<td colspan="2" class="diff-lineno">Rad 79:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><br></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><br></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"><!--</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>= <b><span style="color:#931136">Läs om Variablers livslängd och Överskuggning av variabler i [http://www.mathonline.se/Progr_2/Boken%20Progr_2_Cs.pdf <span style="color:blue">kursboken</span>] på sid 164-171.</span></b> =</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>= <b><span style="color:#931136">Läs om Variablers livslängd och Överskuggning av variabler i [http://www.mathonline.se/Progr_2/Boken%20Progr_2_Cs.pdf <span style="color:blue">kursboken</span>] på sid 164-171.</span></b> =</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">--></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
</table>
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https://mathonline.se/index.php?title=Variablers_livsl%C3%A4ngd_%26_%C3%96verskuggning_av_variabler&diff=4721&oldid=prev
Taifun: Skapade sidan med '__NOTOC__ {| border="0" cellspacing="0" cellpadding="0" height="30" width="100%" | style="border-bottom:1px solid #797979" width="5px" | {{Not selected tab|Lektion 24...'
2022-11-27T15:11:58Z
<p>Skapade sidan med '__NOTOC__ {| border="0" cellspacing="0" cellpadding="0" height="30" width="100%" | style="border-bottom:1px solid #797979" width="5px" | {{Not selected tab|Lektion 24...'</p>
<p><b>Ny sida</b></p><div>__NOTOC__<br />
{| border="0" cellspacing="0" cellpadding="0" height="30" width="100%"<br />
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{{Not selected tab|[[Lektion 24 (Csharp 2)|Lektion 24]]}}<br />
{{Selected tab|[[Variablers livslängd & Överskuggning av variabler|Genomgång]]}}<br />
{{Not selected tab|[[Övningar 24 (Csharp 2)|Övningar]]}}<br />
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= <b><span style="color:#931136">Blockstruktur</span></b> =<br />
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<div style="border:1px solid black;display:inline-table;margin-left: 0px;"> [[Image: Blockstruktur.jpg]]</div><br />
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<b><span style="color:red">Variablers räckvidd (eng. scope)</span></b>, blir ett problem när programmen växer. <br />
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Reglerna ovan <b><span style="color:red">(eng. scoping)</span></b> tillämpas automatiskt.<br />
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Överskuggning av variabler (eng. overriding) är ett verktyg för att styra <b><span style="color:red">variablers livslängd</span></b>. <br />
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= <b><span style="color:#931136">Programmet Block</span></b> =<br />
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[[Image: Block.jpg]]<br />
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Den lokala variabeln <b><span style="color:red">x</span></b> definieras i det <b><span style="color:red">yttre blocket</span></b> och initieras till 10.<br />
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<b><span style="color:red">x</span></b> "tränger genom" det inre blocket: blir 11 där och är 11 även efter det inre blocket.<br />
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Variabeln <b><span style="color:red">y</span></b> definieras i det <b><span style="color:red">inre blocket</span></b> och "dör" efter det inre blocket.<br />
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= <b><span style="color:#931136">Körexempel</span></b> =<br />
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<div style="border:1px solid black;display:inline-table;margin-left: 0px;"> [[Image: BlockKorex.jpg]]</div><br />
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= <b><span style="color:#931136">Överskuggning av variabler: Uppgiften</span></b> =<br />
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[[Image: Uppgiften.jpg]]<br />
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= <b><span style="color:#931136">Referensen this</span></b> =<br />
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[[Image: thisb.jpg]]<br />
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= <b><span style="color:#931136">Lösningen: Programmet OverrideVar</span></b> =<br />
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[[Image: Override.jpg]]<br />
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Metoden Inner():s lokala variabel <b><span style="color:red">bonus</span></b> överskuggar datamedlemmen <b><span style="color:green">bonus</span></b>.<br />
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= <b><span style="color:#931136">Överskuggning</span></b> =<br />
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[[Image: Overridea.jpg]]<br />
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= <b><span style="color:#931136">Körexempel</span></b> =<br />
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<div style="border:1px solid black;display:inline-table;margin-left: 0px;"> [[Image: OverrideVarKorex.jpg]]</div><br />
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= <b><span style="color:#931136">Läs om Variablers livslängd och Överskuggning av variabler i [http://www.mathonline.se/Progr_2/Boken%20Progr_2_Cs.pdf <span style="color:blue">kursboken</span>] på sid 164-171.</span></b> =<br />
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