Rounding necessary错误解决Java的BigDecimal除法的 出现Rounding necessary错误原因是使用了 BigDecimal 的 setScale 方法导致。 错误原因:setScale方法保留小数位数小于实际位数并且未指定roundingMode参数即报错。如下代码: BigDecimalrs=newBigDecimal("2057.9200"); rs.setScale(2); 上述代码实际数值是2057.9200是4位小数,而...
Divide(BigDecimal, MathContext) Returns aBigDecimalwhose value is(this / divisor), with rounding according to the context settings. C# [Android.Runtime.Register("divide","(Ljava/math/BigDecimal;Ljava/math/MathContext;)Ljava/math/BigDecimal;","GetDivide_Ljava_math_BigDecimal_Ljava_math_MathContext_...
使用BigDecimal的divide(除法)方法时也应指定第二个参数roundingMode,否则在遇到无限循环/不循环小数时也会报错,错误为: Non-terminating decimal expansion; no exact representable decimal result. divide的重载方法: divide(BigDecimal divisor) divide(BigDecimal divisor, int roundingMode) divide(BigDecimal divisor, int...
java.math.BigDecimal BigDecimal类型用来存储金额等有小数,需要精度的数据 BigDecimal不能直接使用int类型赋值! 2种使BigDecimal初始化为0的方法: 同样可以用new BigDecimal(int val);来给BigDecimal类型赋值。 加减乘除:...java之BigDecimal 介绍 概述: BigDecimal 是Java在java.math包中提供的API类,主要是用于金钱...
BigDecimal intermediateValue; intermediateValue = endDateIndexPointValue.divide(startDateIndexPointValue, 5, RoundingMode.HALF_UP); The problem is that this using this precision and using the rounding mode, I am not getting the exact intermediate value. I need the intermediate value for further...
The BigDecimal class provides operations for arithmetic, scale manipulation, rounding, comparison, hashing, and format conversion. The #toString method provides a canonical representation of a BigDecimal. The BigDecimal class gives its user complete control over rounding behavior. If no rounding mode is...
使用Double 转 BigDecimal 并保留两位小数出现异常: java.lang.ArithmeticException: Rounding necessary 的原因是:精度丢失。 setScale(int newScale) 方法内部调用 setScale(int newScale, int roundingMode) 方法,传入默认舍入模式:ROUND_UNNECESSARY,在方法内部对精度处理时,如果存在精度丢失则抛出异常,如果不存在精度...
【Java】在JDK11下BigDecimal类的源码只读不解 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39....
scale() + MIN_EXPONENT; int undiscardedPrecision = ensureExactRounding(initialValue, diff); BigInteger divisor = undiscardedPrecision == 0 ? BIG_INT_ONE : BIG_INT_TEN.pow(diff); value = new BigDecimal(initialValue.unscaledValue().divide(divisor), initialValue.scale() - diff); } else { ...
How to divide two BigDecimals in java? How to remove trailing zero from BigDecimal? Java BigDecimal provides a lot of options to control rounding. You can choose various rounding modes such as round half up or round up down to do the rounding. Here is simple way to create a BigDecimal.We...