BigDecimal.setScale(精度)的方法介绍
BigDecimal.setScale(int newScale, int roundingMode)newScale: 保留newScale位小数roundingMode: 舍去规则(0 <= roundingMode <= 7)一、BigDecimal.ROUND_DOWNBigDecimal num = new BigDecimal("5.26412");// 直接舍去多余的位数,不进行四舍五入System.out.println(num.setScale(1, BigDec
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2020-08-03 14:46:17 ·
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