java BigDecimal, Long 타입선언 및 사용법

// java BigDecimal 타입 선언
String prdNumStr = "";
BigDecimal prdNum = new BigDecimal("0.00000");
prdNumStr = dataArray[i][15];
prdNumStr = CommonUtil.getOnlyDigit1(prdNumStr);
if(!prdNumStr.isEmpty()) {
    prdNum = new BigDecimal(prdNumStr.replaceAll(",", ""));
}
header.setPrdNum(prdNum);   // 상품번호

// java Long Type선언 
String boxInCntStr = "";
Long boxInCnt = new Long("0");
boxInCntStr = dataArray[i][20];
boxInCntStr = CommonUtil.getOnlyDigit1(boxInCntStr);
if(!boxInCntStr.isEmpty()) {
    boxInCnt = new Long(boxInCntStr.replaceAll(",", ""));
}
header.setBoxInCnt(boxInCnt);           // 박스입수수량

// java BigDecimal 타입 선언
String prdNumStr = "";
BigDecimal prdNum = new BigDecimal("0.00000");
prdNumStr = dataArray[i][15];
prdNumStr = CommonUtil.getOnlyDigit1(prdNumStr);
if(!prdNumStr.isEmpty()) {
    prdNum = new BigDecimal(prdNumStr.replaceAll(",", ""));
}
header.setPrdNum(prdNum);   // 상품번호

// java Long Type선언 
String boxInCntStr = "";
Long boxInCnt = new Long("0");
boxInCntStr = dataArray[i][20];
boxInCntStr = CommonUtil.getOnlyDigit1(boxInCntStr);
if(!boxInCntStr.isEmpty()) {
    boxInCnt = new Long(boxInCntStr.replaceAll(",", ""));
}
header.setBoxInCnt(boxInCnt);           // 박스입수수량