Example usage for java.lang Double parseDouble

Introduction

In this page you can find the example usage for java.lang Double parseDouble.

Prototype

public static double parseDouble(String s) throws NumberFormatException

Source Link

Document

Returns a new double initialized to the value represented by the specified String , as performed by the valueOf method of class Double .

Usage

From source file:Main.java

/**
 * parse value to double/*from  w ww . j a va 2 s  .c  o  m*/
 */
public static double toDouble(String value) {
    return TextUtils.isEmpty(value) ? 0 : Double.parseDouble(value);
}

From source file:Main.java

public static String getNormal(String txamt) {
    String str = txamt;// ww w. jav  a  2s  .c om
    if (str != null) {
        try {
            String sum = "";
            int index = 0;
            char c = str.charAt(index);
            while (c == '0') {
                index++;
                c = str.charAt(index);
            }
            sum = str.substring(index);
            double i = Double.parseDouble(sum);
            i = i / 100;
            BigDecimal bg = new BigDecimal(i);
            double j = bg.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
            sum = "" + j;
            return sum;

        } catch (Exception e) {

            e.printStackTrace();
        }
    }
    return null;
}

From source file:Main.java

protected static final String encodingUTF8andSignPrefix(byte[] src, int srart, int length) throws Exception {
    byte[] b = new String(src, srart, length, "euc-kr").getBytes("utf-8");
    String str = new String(b).trim();
    str = str.substring(searchChar(str));
    DecimalFormat f = new DecimalFormat("###,###,###");
    f.setPositivePrefix("+");
    f.setNegativePrefix("-");
    return f.format(Double.parseDouble(str));
}

From source file:Main.java

public static Double[] getDataList(Node sampleNode) {
    if (sampleNode == null)
        return new Double[0];
    List<Double> measureValues = new ArrayList<Double>();
    Node n = sampleNode.getFirstChild();
    while (n != null) {
        if (n.getNodeName().equalsIgnoreCase("data")) {
            String ms = n.getFirstChild().getNodeValue();
            double mesVal = Double.parseDouble(ms);
            measureValues.add(new Double(mesVal));
        }//www. j a v  a2 s.  c om
        n = n.getNextSibling();
    }
    return measureValues.toArray(new Double[0]);
}

From source file:Main.java

public static String formatMoney(String amount) {
    if (TextUtils.isEmpty(amount)) {
        return "0.00";
    }//from   w  w  w.  j a  v a2 s  . com
    String result;
    try {
        double num = Double.parseDouble(amount);
        DecimalFormat formater = new DecimalFormat("###,##0.00");
        result = formater.format(num / 100.0d);
    } catch (NumberFormatException e) {
        result = amount;
    }
    return result;
}

From source file:Main.java

/**
 * Loads an optional double element value from a XML element
 *//* w ww  . j a  v a  2 s .  c  om*/
public static double getDoubleNode(Element element, String name) {
    Element child = getSingleElement(element, name);

    if (child == null)
        return 0.0;

    String value = child.getTextContent();

    if (value == null)
        return 0.0;

    if (value.length() == 0)
        return 0.0;

    return Double.parseDouble(value);
}

From source file:Main.java

public static double[] getVivaCurrentLocation(Context context) {
    String loc = getPreferences(context).getString(Viva_Current_Location, "0,0");
    String[] locArray = loc.split(Pattern.quote(","));
    return new double[] { Double.parseDouble(locArray[0]), Double.parseDouble(locArray[1]) };
}

From source file:Main.java

public static double parseDouble(String value, double defaultValue) {
    try {// w w  w.  ja  v  a  2s.  c  o m
        return Double.parseDouble(value);
    } catch (NumberFormatException nfe) {
        return defaultValue;
    }
}

From source file:Main.java

public static Double convertDouble(String str) {
    double val = 0;
    try {//from  ww w  .  j  a  v  a2s. c  o m
        val = Double.parseDouble(str);
    } catch (NumberFormatException ex) {
    }
    return new Double(val);
}

From source file:Main.java

/** Helper method - gets a named element's value as a <I>double</I>.
   @param pElement The parent <I>Element</I>.
   @param strName Name of the element./*from www  .  jav a 2 s .  c o  m*/
   @return Value of the element.
 */
public static double getElementDouble(Element pElement, String strName)
        throws ClassCastException, NumberFormatException {
    String strValue = getElementString(pElement, strName);

    if (null == strValue)
        return Double.NaN;

    return Double.parseDouble(strValue);
}