통화 포맷 / java 원단위/krw

NumberFormat currencyFormat = NumberFormat.getCurrencyInstance(Locale.KOREA);
for (Map product1 : catelist){
    double price1 = product1.getDouble("salePrice");
    String formattedAmount = currencyFormat.format(price1)
          .replaceAll(currencyFormat.getCurrency().getSymbol(), "");;

    product1.put("unitconversion", formattedAmount);
}