Here you can find the source of multiply(BigDecimal op1, int op2)
public static BigDecimal multiply(BigDecimal op1, int op2)
//package com.java2s; //License from project: Open Source License import java.math.BigDecimal; public class Main { public static BigDecimal multiply(BigDecimal op1, int op2) { return op1.multiply(new BigDecimal(op2)); }/*from w w w . j a v a 2 s .c o m*/ }