#include?

class?cylinder
{??
public:
?????cylinder（double?adouble?b）;
?????void?vol（）;
private:
???????double?rh;
???????double?volume;
};

cylinder::cylinder（double?adouble?b）
{??
	r=a;?
	h=b;
????volume=3.141592*r*r*h;
}
void?cylinder::vol（）
{??
	cout<<“volume?is:?“<}
void?main（）
{?
????cylinder?x（2.87.02）;
????x.vol（）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-06-04?21:07??C++作業\
?????文件?????????386??2012-05-26?15:24??C++作業\3.32.cpp
?????文件????????3038??2012-05-26?15:25??C++作業\3.32.PNG
?????文件?????????400??2012-05-26?19:23??C++作業\3.33.cpp
?????文件????????1372??2012-05-26?19:20??C++作業\3.33.png
?????文件?????????426??2012-05-26?19:22??C++作業\3.34.cpp
?????文件????????2126??2012-05-26?19:23??C++作業\3.34.png
?????文件?????????584??2012-05-26?15:30??C++作業\3.35.cpp
?????文件????????2752??2012-05-26?15:31??C++作業\3.35.PNG
?????文件?????????920??2012-05-26?19:52??C++作業\3.36.cpp
?????文件????????4542??2012-05-26?19:52??C++作業\3.36.png
?????文件?????????884??2012-05-26?15:54??C++作業\4.21.cpp
?????文件????????2543??2012-05-26?15:55??C++作業\4.21.PNG
?????文件????????1289??2012-05-28?13:18??C++作業\4.22.cpp
?????文件???????17665??2012-05-28?13:18??C++作業\4.22.png
?????文件?????????765??2012-05-26?21:17??C++作業\4.23.cpp
?????文件????????6387??2012-05-26?21:16??C++作業\4.23.png
?????文件????????9912??2012-05-26?21:17??C++作業\4.23（2）.png
?????文件?????????616??2012-05-26?21:06??C++作業\4.24.cpp
?????文件????????9728??2012-05-26?21:00??C++作業\4.24.png
?????文件????????1627??2012-05-26?15:07??C++作業\5.17.cpp
?????文件????????1642??2012-05-26?15:12??C++作業\5.18.cpp
?????文件????????6369??2012-05-26?15:12??C++作業\5.18.PNG
?????文件?????????784??2012-05-26?21:52??C++作業\5.19.cpp
?????文件???????12885??2012-05-26?21:52??C++作業\5.19.png
?????文件????????1190??2012-05-26?23:13??C++作業\5.20.cpp
?????文件???????11157??2012-05-26?23:13??C++作業\5.20.PNG
?????文件????????6689??2012-05-26?15:08??C++作業\捕獲.PNG