??? ???? BigDecimal ???

?? ?? ??: 1. "compareTo()" ???? ?????. 2. "equals()" ???? ?????. 3. "compareTo()" ???? ????? ??? ?????. CompareTo()" ??? ?? ?? ?

1746

java bigdecimal

???? ??：Dec 06, 2023 pm 01:46 PM

??? ???? BigDecimal ???

BigDecimal? ??? ???? ??

?? ?? ??: 1. "compareTo()" ???? ?????. 2. "equals()" ???? ?????. 3. "compareTo()" ???? ????? ??? ?????. CompareTo()" ??? ?? ?

Dec 06, 2023 pm 01:44 PM

java bigdecimal

1. equals() ???? ????? ? BigDecimal? ?? ???? ? ?? ??? scale()? ???? ???. BigDecimald1=newBigDecimal("123.45");BigDecimald2=newBigDecimal("123.45000");System.out.println(d1.equals(d2));//false, ?? ???? ??? ??? System.out.println(d1.equals (d2) .stripTrailingZeros(

Apr 18, 2023 pm 04:25 PM

java bigdecimal

Java?? BigDecimal? ???? ??

1. BigDecimal? ?? ???? ???? ?? scale()? ?????. BigDecimald1=newBigDecimal("987.65");BigDecimald2=newBigDecimal("987.6500");BigDecimald3=newBigDecimal("98765400");System.out.println(d1.scale());//2, ??? ? ??? ?????. ???. out.println(d2.scale());//4Sy

Apr 18, 2023 pm 09:46 PM

java bigdecimal

Java?? BigDecimal? ??? ??????

1. java.math ????? Java? ???? API ??? BigDecimal? ???? 16?? ??? ?? ??? ???? ????? ?????. ???? ?? ??? ??? 16?? ?? ??? ??? ? ??? ?? ?? ??????? ? ??? ?? ??? ???? ???? ? ?? ????. 2. ???? BigDecimala=newBigDecimal(0.1);System.out.println("avaluesis:"+a);System.out.println("=================== = ===");BigDecimalb=

May 05, 2023 pm 05:13 PM

java bigdecimal