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edwardinubuntu/OrderStepsFragment.java

Created January 18, 2017 02:49
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四捨五入小數點捨去法 Rounding unconditional rounding
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OrderStepsFragment.java
public static double round(double d, int decimalPlace) {
BigDecimal bd = new BigDecimal(d);
bd = bd.setScale(decimalPlace, BigDecimal.ROUND_FLOOR);
return bd.doubleValue();
}
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