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BigDecimal 为什么可以保证精度不丢失?
所以可以得出结论:BigDecimal在计算时,实际会把数值扩大10的n次倍,变成一个long型整数进行计算,整数计算时自然可以实现精度不丢失。同时结合精度scale,实现最终结果的计算。 返回搜狐,查看更多 ...
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