Java tutorial
//package com.java2s; /* * This software is in the public domain under CC0 1.0 Universal plus a * Grant of Patent License. * * To the extent possible under law, the author(s) have dedicated all * copyright and related and neighboring rights to this software to the * public domain worldwide. This software is distributed without any * warranty. * * You should have received a copy of the CC0 Public Domain Dedication * along with this software (see the LICENSE.md file). If not, see * <http://creativecommons.org/publicdomain/zero/1.0/>. */ import java.math.BigDecimal; import java.util.*; public class Main { public static void divideBigDecimalsInMap(Map<String, Object> baseMap, BigDecimal divisor) { if (baseMap == null || divisor == null || divisor.doubleValue() == 0.0) return; for (Map.Entry<String, Object> entry : baseMap.entrySet()) { if (!(entry.getValue() instanceof BigDecimal)) continue; BigDecimal baseVal = (BigDecimal) entry.getValue(); entry.setValue(baseVal.divide(divisor, BigDecimal.ROUND_HALF_UP)); } } }