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        将 Java 数字转换为 BigDecimal:最好的方法

        Convert Java Number to BigDecimal : best way(将 Java 数字转换为 BigDecimal:最好的方法)
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                • 本文介绍了将 Java 数字转换为 BigDecimal:最好的方法的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我正在寻找将数字转换为 BigDecimal 的最佳方法.

                  I am looking for the best way to convert a Number to a BigDecimal.

                  这够好吗?

                  Number number;
                  BigDecimal big = new BigDecimal(number.toString());
                  

                  我们可以使用 toString() 方法丢失精度吗?

                  Can we lose precision with the toString() method ?

                  推荐答案

                  这很好,记住使用 BigDecimal 的构造函数来声明一个不是 String 类型的值是很危险的.考虑以下...

                  This is fine, remember that using the constructor of BigDecimal to declare a value can be dangerous when it's not of type String. Consider the below...

                  BigDecimal valDouble = new BigDecimal(0.35);
                  System.out.println(valDouble);
                  

                  这不会打印 0.35,它实际上是......

                  This will not print 0.35, it will infact be...

                  0.34999999999999997779553950749686919152736663818359375
                  

                  我会说你的解决方案可能是最安全的.

                  I'd say your solution is probably the safest because of that.

                  这篇关于将 Java 数字转换为 BigDecimal:最好的方法的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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