Example usage for java.lang Double valueOf

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public static Double valueOf(double d)

Source Link

Document

Returns a Double instance representing the specified double value.

Usage

From source file:Main.java

public static Double Doubleformat(DecimalFormat df, Double value) {
    if (value == null || value.compareTo(0.0) == 0) {
        return 0.0;
    }/* w  w w. ja v  a 2  s.  c om*/
    if (df == null) {
        df = doubleFormat;
    }
    String dfValue = df.format(value);
    dfValue = dfValue.replaceAll("[ ]", "");
    dfValue = dfValue.replaceAll("[,]", "");
    return Double.valueOf(dfValue);
}

From source file:Main.java

public static String getTimeZoneOffset() {
    TimeZone timezone = TimeZone.getDefault();
    int i = timezone.getRawOffset() / 1000;
    int j;/* w ww .j a v a  2 s  . com*/
    double d;
    Object aobj[];
    if (timezone.useDaylightTime() && timezone.inDaylightTime(new java.sql.Date(System.currentTimeMillis())))
        j = 1;
    else
        j = 0;
    d = (double) i / 3600D + (double) j;
    aobj = new Object[1];
    aobj[0] = Double.valueOf(d);
    return String.format("%.2f", aobj);
}

From source file:Main.java

/**
 * Helper method used to get default value for wrappers used for primitive types
 * (0 for Integer etc)//  w  w  w  . jav a2  s . c  o m
 */
public static Object defaultValue(Class<?> cls) {
    if (cls == Integer.TYPE) {
        return Integer.valueOf(0);
    }
    if (cls == Long.TYPE) {
        return Long.valueOf(0L);
    }
    if (cls == Boolean.TYPE) {
        return Boolean.FALSE;
    }
    if (cls == Double.TYPE) {
        return Double.valueOf(0.0);
    }
    if (cls == Float.TYPE) {
        return Float.valueOf(0.0f);
    }
    if (cls == Byte.TYPE) {
        return Byte.valueOf((byte) 0);
    }
    if (cls == Short.TYPE) {
        return Short.valueOf((short) 0);
    }
    if (cls == Character.TYPE) {
        return '\0';
    }
    throw new IllegalArgumentException("Class " + cls.getName() + " is not a primitive type");
}

From source file:Main.java

public static double DoubleLonLatFromString(String string) {
    int pos = -1;
    double k = 1f / 60f;
    double result = 0;
    if (string.indexOf('.') != -1) {
        pos = string.indexOf('.');
    }/*  w ww  .  j  av a  2 s .c o m*/
    if (string.indexOf(',') != -1) {
        pos = string.indexOf(',');
    }
    if (pos == -1) {
        //TODO
        if (string.length() >= 2) {
            result = result + Double.valueOf(string.substring(0, 2));
        }
        if (string.length() >= 4) {
            result = result + k * Double.valueOf(string.substring(2, 4));
        }
        if (string.length() >= 6) {
            result = result + k * k * Double.valueOf(string.substring(4, string.length()));
        }
    }
    //dd,dddddddddd
    //ddd.ddddddddd
    if (pos == 1 || pos == 2) {
        result = Double.valueOf(string);
    }
    //ddmm.mmmmmm
    //dddmm.mmmmmmmm
    if (pos == 5) {
        result = Double.valueOf(string.substring(0, 3))
                + k * Double.valueOf(string.substring(3, string.length() - 1));
    }
    //dddmm.mmmmmmmm
    if (pos == 4) {
        result = Double.valueOf(string.substring(0, 2))
                + k * Double.valueOf(string.substring(2, string.length()));
    }

    //ddmmss.ssssssssss
    if (pos == 6) {
        result = Double.valueOf(string.substring(0, 2)) + k * Double.valueOf(string.substring(2, 4))
                + k * k * Double.valueOf(string.substring(4, string.length()));
    }
    //dddmmss.ssssssssss
    if (pos == 7) {
        result = Double.valueOf(string.substring(0, 3)) + k * Double.valueOf(string.substring(3, 5))
                + k * k * Double.valueOf(string.substring(5, string.length()));
    }
    return result;
}

From source file:Main.java

/**
 * Convert a number of meters to feet./*from   w  w  w . j  a  v a 2 s  .c o m*/
 * @param meters Value to convert in meters.
 * @return meters converted to feet.
 */
public static double asFeet(final double meters) {
    DecimalFormat twoDForm = new DecimalFormat("#.##");
    return Double.valueOf(twoDForm.format(meters * FEET_CONVERT));
}

From source file:Main.java

public static double calculateMinWeight(double height) {
    DecimalFormat format = new DecimalFormat("0.0");
    double result = 18.5 * height * height / 10000;
    return Double.valueOf(format.format(result).toString());
}

From source file:Main.java

public static double calculateMaxWeight(double height) {
    DecimalFormat format = new DecimalFormat("0.0");
    double result = 24.0 * height * height / 10000;
    return Double.valueOf(format.format(result).toString());
}

From source file:Main.java

public static double asMiles(final long meters) {
    DecimalFormat twoDForm = new DecimalFormat("#.##");
    return Double.valueOf(twoDForm.format(asMiles(meters / 1000.0)));
}

From source file:Main.java

public static double calculateBMI(double weight, double height) {
    DecimalFormat format = new DecimalFormat("0.00");
    double result = weight / (height * height) * 10000;
    return Double.valueOf(format.format(result).toString());
}

From source file:Main.java

/**
 * <p>Extract decimal values from an array of strings into an array of double.</p>
 *
 * <p>Exceptions in the format of the string are trapped and 0 value(s) returned.</p>
 *
 * @param   src   an array of strings, each of which should be a decimal numeric value
 * @return      an array of double/*w ww  .j  a  v  a 2  s. c o  m*/
 */
static public double[] copyStringToDoubleArray(String[] src) {
    if (src == null)
        return null;
    int n = src.length;
    double[] dst = new double[n];
    for (int j = 0; j < n; ++j) {
        double value = 0;
        try {
            value = Double.valueOf(src[j]).doubleValue();
        } catch (NumberFormatException e) {
        } catch (NullPointerException e) {
        }
        dst[j] = value;
    }
    return dst;
}