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cmygit/double.java

Created December 27, 2018 05:35
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double
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double.java
// 保留小数点后2位
Double d = 1.23456;
BigDecimal b = new BigDecimal(d);
// BigDecimal.ROUND_HALF_EVEN 银行家舍入法
d = b.setScale(2, BigDecimal.ROUND_HALF_EVEN).doubleValue();
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