Example usage for java.math BigDecimal BigDecimal

Introduction

In this page you can find the example usage for java.math BigDecimal BigDecimal.

Prototype

public BigDecimal(long val)

Source Link

Document

Translates a long into a BigDecimal .

Usage

From source file:Main.java

/**
 * bytes to mb//from w ww .j  a va  2 s  .co m
 * @param bytes
 * @return
 */
public static String bytes2mb(long bytes) {
    BigDecimal filesize = new BigDecimal(bytes);
    BigDecimal megabyte = new BigDecimal(1024 * 1024);
    float returnValue = filesize.divide(megabyte, 2, BigDecimal.ROUND_UP).floatValue();
    return (returnValue + "  MB ");
}

From source file:Main.java

@SuppressLint("DefaultLocale")
public static String getPriceString(double price) {
    BigDecimal a1 = new BigDecimal(Double.toString(price));
    return String.valueOf(a1.doubleValue());
}

From source file:Main.java

public static String keepNSecimal(String numberStr, int n) {
    double number = Double.parseDouble(numberStr);
    BigDecimal b = new BigDecimal(number);
    String ss = b.setScale(n, BigDecimal.ROUND_HALF_UP).doubleValue() + "";
    int pointIndex = ss.lastIndexOf(".");
    int fractionCount = ss.length() - pointIndex - 1;
    for (int i = 0; i < n - fractionCount; i++) {
        ss += 0;//ww w .  ja  va  2  s.  co m
    }
    return ss;
}

From source file:Main.java

public static int compareInt(double valone, double valTwo) {
    BigDecimal val1 = new BigDecimal(valone);
    BigDecimal val2 = new BigDecimal(valTwo);
    int result = -1;
    if (val1.compareTo(val2) < 0) {
        result = -1;//from   w ww  .  ja v a2s .  co m
    }
    if (val1.compareTo(val2) == 0) {
        result = 0;
    }
    if (val1.compareTo(val2) > 0) {
        result = 1;
    }
    return result;
}

From source file:Main.java

public static double round(double value, int scale, int roundingMode) {

    BigDecimal bd = new BigDecimal(value);

    bd = bd.setScale(scale, roundingMode);

    double d = bd.doubleValue();

    bd = null;/*w  ww  .ja  va  2 s.c  o  m*/

    return d;

}

From source file:Main.java

public static String doubleParseToString(double d1) {
    Double d = new Double(d1);
    BigDecimal bd = new BigDecimal(d.toString());
    return bd.toPlainString();
}

From source file:Main.java

public static double round(double value, int places) {

    BigDecimal bd = new BigDecimal(value);
    bd = bd.setScale(places, RoundingMode.HALF_UP);
    return bd.doubleValue();
}

From source file:Main.java

public static String formatNumber(int number) {
    double kilo = ((double) number) / 1000;
    if (kilo > 1) {
        BigDecimal result = new BigDecimal(Double.toString(kilo));
        return result.setScale(1, BigDecimal.ROUND_HALF_UP).toPlainString() + "k";
    } else {/* ww  w  . j av a 2 s .  c o  m*/
        return number + "";
    }
}

From source file:Main.java

public static Double div(Double v1, Double v2) {
    BigDecimal b1 = new BigDecimal(v1.toString());
    BigDecimal b2 = new BigDecimal(v2.toString());
    return Double.valueOf(b1.divide(b2, DEF_DIV_SCALE, BigDecimal.ROUND_HALF_UP).doubleValue());
}

From source file:Main.java

public static BigDecimal formatToYuan(String money) throws NumberFormatException {
    if (money.equals("")) {
        return new BigDecimal(0);
    }//w  ww.  j a v a2s .c om
    long m = Long.parseLong(money);
    return BigDecimal.valueOf(m);
}