資源簡介
用接口的方式實現(xiàn)繼承多態(tài)，可以求方形、圓形和三角形的面積，并且有興趣的同學(xué)可以根據(jù)此程序改成抽象類也可以實現(xiàn)功能。
代碼片段和文件信息
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????5632??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.exe
?????文件??????15872??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.pdb
?????文件??????14328??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.vshost.exe
?????文件????????490??2007-07-21?01:33??ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.vshost.exe.manifest
?????文件???????2511??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\ConsoleApplication1.csproj
?????文件????????397??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj\Debug\ConsoleApplication1.csproj.FileListAbsolute.txt
?????文件???????5632??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj\Debug\ConsoleApplication1.exe
?????文件??????15872??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj\Debug\ConsoleApplication1.pdb
?????文件???????2339??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\Program.cs
?????文件???????1394??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\Properties\AssemblyInfo.cs
?????文件????????947??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1.sln
????..A..H.?????10752??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1.suo
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj\Debug\TempPE
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\bin\Debug
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj\Debug
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\bin
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\Properties
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1
-----------?---------??----------?-----??----
????????????????76166????????????????????20
-----------?---------??----------?-----??----
?????文件???????5632??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.exe
?????文件??????15872??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.pdb
?????文件??????14328??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.vshost.exe
?????文件????????490??2007-07-21?01:33??ConsoleApplication1\ConsoleApplication1\bin\Debug\ConsoleApplication1.vshost.exe.manifest
?????文件???????2511??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\ConsoleApplication1.csproj
?????文件????????397??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj\Debug\ConsoleApplication1.csproj.FileListAbsolute.txt
?????文件???????5632??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj\Debug\ConsoleApplication1.exe
?????文件??????15872??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj\Debug\ConsoleApplication1.pdb
?????文件???????2339??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\Program.cs
?????文件???????1394??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\Properties\AssemblyInfo.cs
?????文件????????947??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1.sln
????..A..H.?????10752??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1.suo
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj\Debug\TempPE
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\bin\Debug
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj\Debug
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\bin
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\obj
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1\Properties
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1\ConsoleApplication1
?????目錄??????????0??2010-08-08?08:42??ConsoleApplication1
-----------?---------??----------?-----??----
????????????????76166????????????????????20
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