$("#ray_9231").html("\n
1<\/a>
2<\/a>
3<\/a>
4<\/a>
5<\/a>
6<\/a>
7<\/a>
8<\/a>
9<\/a>
10<\/a><\/strong>
11<\/a>
12<\/a>
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14<\/a>
15<\/a>
16<\/a>
17<\/a>
18<\/a>
19<\/a>
20<\/a><\/strong>
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22<\/a>
23<\/a>
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27<\/a>
28<\/a><\/pre><\/td>\n  
class<\/span> <\/span>Bicycle<\/span>
<\/span>  <\/span>attr_reader<\/span> <\/span>:size<\/span>,<\/span> <\/span>:chain<\/span>,<\/span> <\/span>:tire_size<\/span>
<\/span>
<\/span>  <\/span>def<\/span> <\/span>initialize<\/span>(<\/span>**<\/span>opts<\/span>)<\/span>
<\/span>    <\/span>@size<\/span> <\/span>=<\/span> <\/span>opts<\/span>[<\/span>:size<\/span>]<\/span>
<\/span>    <\/span>@chain<\/span> <\/span>=<\/span> <\/span>opts<\/span>[<\/span>:chain<\/span>]<\/span> <\/span>||<\/span> <\/span>default_chain<\/span>
<\/span>    <\/span>@tire_size<\/span> <\/span>=<\/span> <\/span>opts<\/span>[<\/span>:tire_size<\/span>]<\/span> <\/span>||<\/span> <\/span>default_tire_size<\/span>
<\/span>  <\/span>end<\/span>
<\/span>
<\/span>  <\/span>def<\/span> <\/span>default_chain<\/span>
<\/span>    <\/span>"<\/span>11-speed<\/span>"<\/span><\/span>
<\/span>  <\/span>end<\/span>
<\/span>  <\/span># ...<\/span>
<\/span>end<\/span>
<\/span>
<\/span>class<\/span> <\/span>RoadBike<\/span> <\/span><<\/span> <\/span>Bicycle<\/span>
<\/span>  <\/span># ...<\/span>
<\/span>  <\/span>def<\/span> <\/span>default_tire_size<\/span>
<\/span>    <\/span>"<\/span>23<\/span>"<\/span><\/span>
<\/span>  <\/span>end<\/span>
<\/span>end<\/span>
<\/span>
<\/span>class<\/span> <\/span>MountainBike<\/span> <\/span><<\/span> <\/span>Bicycle<\/span>
<\/span>  <\/span># ...<\/span>
<\/span>  <\/span>def<\/span> <\/span>default_tire_size<\/span>
<\/span>    <\/span>"<\/span>2.1<\/span>"<\/span><\/span>
<\/span>  <\/span>end<\/span>
<\/span>end<\/span><\/pre><\/td>\n<\/tr><\/table>\n\n");