import?java.math.BigDecimal;
public?class?AccuratelyFloat?{
????public?static?void?main（String[]?args）?{
????????double?money?=?2;//?現有金額
????????double?price?=?1.1;//?商品價格
????????double?result=money?-?price;
????????System.out.println（“非精確計算“）;
????????System.out.println（“剩余金額：“+result）;//?輸出運算結果
????????//?精確浮點數的解決方法
????????BigDecimal?money1?=?new?BigDecimal（“2“）;//?現有金額
????????BigDecimal?price1?=?new?BigDecimal（“1.1“）;//?商品單擊
????????BigDecimal?result1=money1.subtract（price1）;
????????System.out.println（“精確計算“）;
????????System.out.println（“剩余金額：“+result1）;//?輸出精確結果
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????301??2010-07-07?10:21??.classpath
?????文件?????????379??2010-09-07?10:47??.project
?????文件?????????635??2010-07-07?10:21??.settings\org.eclipse.jdt.core.prefs
?????文件????????1193??2013-11-21?08:40??bin\AccuratelyFloat.class
?????文件?????????659??2010-07-07?11:00??src\AccuratelyFloat.java