Example usage for java.text DecimalFormat DecimalFormat

Introduction

In this page you can find the example usage for java.text DecimalFormat DecimalFormat.

Prototype

public DecimalFormat(String pattern)

Source Link

Document

Creates a DecimalFormat using the given pattern and the symbols for the default java.util.Locale.Category#FORMAT FORMAT locale.

Usage

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 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

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 String formatFileSize(long fileS) {
    String fileSizeString = "";
    if (fileS <= 0) {
        return "0 KB";
    }/*w  ww. jav a2s .  c  o  m*/
    if (fileS < 1024) {
        fileSizeString = "1 KB";
    } else if (fileS < 1048576) {
        long inte = fileS / 1024;
        if (inte > 100) {
            DecimalFormat df = new DecimalFormat("##0");
            fileSizeString = df.format(Rounding((double) fileS / 1024)) + " KB";
        } else if (inte > 10) {
            DecimalFormat df = new DecimalFormat("##0.0");
            fileSizeString = df.format(Rounding((double) fileS / 1024)) + " KB";
        } else {
            DecimalFormat df = new DecimalFormat("##0.00");
            fileSizeString = df.format(Rounding((double) fileS / 1024)) + " KB";
        }
    } else if (fileS < 1073741824) {
        long inte = fileS / 1048576;
        if (inte > 100) {
            DecimalFormat df = new DecimalFormat("##0");
            fileSizeString = df.format(Rounding((double) fileS / 1048576)) + " MB";
        } else if (inte > 10) {
            DecimalFormat df = new DecimalFormat("##0.0");
            fileSizeString = df.format(Rounding((double) fileS / 1048576)) + " MB";
        } else {
            DecimalFormat df = new DecimalFormat("##0.00");
            fileSizeString = df.format(Rounding((double) fileS / 1048576)) + " MB";
        }
    } else if (fileS < 1099511627776L) {
        long inte = fileS / 1073741824;
        if (inte > 100) {
            DecimalFormat df = new DecimalFormat("##0");
            fileSizeString = df.format(Rounding((double) fileS / 1073741824)) + " GB";
        } else if (inte > 10) {
            DecimalFormat df = new DecimalFormat("##0.0");
            fileSizeString = df.format(Rounding((double) fileS / 1073741824)) + " GB";
        } else {
            DecimalFormat df = new DecimalFormat("##0.0");
            fileSizeString = df.format(Rounding((double) fileS / 1073741824)) + " GB";
        }
    } else {
        long inte = fileS / 1099511627776L;
        if (inte > 100) {
            DecimalFormat df = new DecimalFormat("##0");
            fileSizeString = df.format((double) fileS / 1099511627776L) + " TB";
        } else if (inte > 10) {
            DecimalFormat df = new DecimalFormat("##0.0");
            fileSizeString = df.format((double) fileS / 1099511627776L) + " TB";
        } else {
            DecimalFormat df = new DecimalFormat("##0.00");
            fileSizeString = df.format((double) fileS / 1099511627776L) + " TB";
        }
    }
    return fileSizeString;
}

From source file:Main.java

public static String formatMoney(String amount) {
    if (TextUtils.isEmpty(amount)) {
        return "0.00";
    }//from   w w  w . ja  v a  2  s . c  o m
    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

public static double calculateBMR(int sex, double weight, double height, int age) {
    double result = 0.0;
    DecimalFormat format = new DecimalFormat("0.00");
    if (sex == UserSexMale) {
        result = 655 + (9.6 * weight) + (1.8 * height) - (4.7 * age);
    } else {/*from  www.j av  a2 s . c o  m*/
        result = 66 + (13.8 * weight) + (5.0 * height) - (6.8 * age);
    }
    return Double.valueOf(format.format(result).toString());
}

From source file:Main.java

public static String getReadableSize(long bytes) {
    if (bytes <= 0)
        return "0";
    final String[] units = new String[] { "B", "KB", "MB", "GB", "TB" };
    int digitGroups = (int) (Math.log10(bytes) / Math.log10(1024));
    return new DecimalFormat("#,##0.#").format(bytes / Math.pow(1024, digitGroups)) + " " + units[digitGroups];
}

From source file:Main.java

static String formatTextSize(float textPxSize, String unit) {
    return new DecimalFormat("0").format(textPxSize) + unit;
}

From source file:Main.java

/**
 * //w  w  w . jav a2s . co m
 * @Title: formatCacheMeasure: format files' measure
 * @Description: formatCacheMeasure
 * @param @param path
 * @param @return
 * @return String
 * @throws @param path
 * @throws @return
 */
public static String formatCacheMeasure(String path) {
    String measure;
    DecimalFormat df = new DecimalFormat(CACHE_MEASURE_FORMATE);
    getCacheMeasure(path);
    if (mCacheMeasure == 0.0) {
        mCacheMeasure = 0;
        return null;
    } else if (mCacheMeasure < CACHESIZE1) {
        measure = df.format((double) mCacheMeasure / CACHESIZE0) + "K";
    } else if (mCacheMeasure < 1073741824) {
        measure = df.format((double) mCacheMeasure / CACHESIZE1) + "M";
    } else {
        measure = df.format((double) mCacheMeasure / CACHESIZE2) + "G";
    }
    mCacheMeasure = 0;
    return measure;
}