java bigdecima 除法_java精确除法运算(BigDecimal)
除法运算的函数定义如下BigDecimal.divide(BigDecimaldivisor, intscale,RoundingModeroundingMode);scale为小数位数;Java中BigDecimal取整方法,scale为0BigDecimal bd = new BigDecimal("12.1");long l = bd.setScale( 0, BigDecima...