Here you can find the source of multiply(BigDecimal one, BigDecimal another)
public static BigDecimal multiply(BigDecimal one, BigDecimal another)
//package com.java2s; //License from project: Apache License import java.math.BigDecimal; import java.math.MathContext; import java.math.RoundingMode; public class Main { public static final MathContext _SCALE = new MathContext(100, RoundingMode.HALF_UP); public static BigDecimal multiply(BigDecimal one, BigDecimal another) { return one.multiply(another, _SCALE); }/*from w w w.j a v a 2s . c o m*/ }