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android 算數異常 divide by zero ArithmeticException NullPointerException
06-11
# Java基礎 java 算數異常 setScale BigDecimal ArithmeticException
02-28
![BigDecimal類setScale方法問題：算數異常，精确度丢失-ArithmeticException: Rounding necessary[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)