資源簡介
正在學(xué)習(xí)設(shè)計模式,為練習(xí)用就用簡單工廠模式實現(xiàn)了個簡單的四則運(yùn)算器,很簡單,第一次上傳東西,初學(xué)或者要學(xué)設(shè)計模式的可以下來看看~~

代碼片段和文件信息
/*Add.java*/
package?koala;
class?Add?implements?IfourSpecies??//加法類
{
private?double?opd1opd2;
public?Add(double?opd1double?opd2)
{
this.opd1=opd1;
this.opd2=opd2;
}
public?double?Calculate()
{
return?(opd1+opd2);
}
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????250??2008-11-11?11:00??koala\Add.java
?????文件????????273??2008-11-07?22:33??koala\BadOperatorException.java
?????文件???????1208??2008-11-13?13:14??koala\Cal.java
?????文件????????251??2008-11-11?11:02??koala\Div.java
?????文件????????263??2008-11-07?22:33??koala\DivideZeroException.java
?????文件????????631??2008-11-13?13:15??koala\Factory.java
?????文件????????156??2008-11-07?22:53??koala\IfourSpecies.java
?????文件????????251??2008-11-11?11:04??koala\Min.java
?????文件????????251??2008-11-11?11:04??koala\Mul.java
?????文件?????????68??2008-11-13?13:18??koala\run.bat
?????文件????????310??2008-11-13?13:25??koala\介紹.txt
?????文件??????22787??2008-11-13?13:22??koala\簡略類圖.jpg
?????目錄??????????0??2008-11-13?13:25??koala
-----------?---------??----------?-----??----
????????????????26699????????????????????13
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