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 String formatDouble(double dblValue) {
    DecimalFormat df = new DecimalFormat("####.00");
    return df.format(dblValue);
}

From source file:Main.java

public static String calculateSizeToString(long size) {
    String str = "";
    DecimalFormat df = new DecimalFormat("#.00");
    if (size < 1024) {
        str = df.format(size) + "B";
    } else if (size < 1024 * 1024) {
        str = df.format(size / 1024) + "KB";
    } else if (size < 1024 * 1024 * 1024) {
        str = df.format(size / 1024 / 1024) + "M";
    } else {/*ww w .j  av  a  2  s.  c  o m*/
        str = df.format(size / 1024 / 1024 / 1024) + "G";
    }
    return str;
}

From source file:Main.java

public static String getVersion(int version, String ver) {
    NumberFormat formatter = new DecimalFormat("000");
    String number = ver + "." + formatter.format(version);
    return number.toLowerCase();
}

From source file:Main.java

public static String getTrafficData(long total) {

    String dataText = "0";
    DecimalFormat df = new DecimalFormat("###.00");
    if (total == -1) {
        return dataText;
    } else if (total < 10240) {
        dataText = "<10K";

    } else if (total < 1024 * 1024) {
        dataText = df.format(total / 1024f) + "KB";
    } else if (total < 1024 * 1024 * 1024) {
        dataText = df.format(total / 1024f / 1024f) + "MB";
    } else if (total < 1024 * 1024 * 1024 * 1024) {
        dataText = df.format(total / 1024f / 1024f / 1024f) + "GB";
    }//from w  ww  .j  a  va  2s.  c om
    return dataText;
}

From source file:Main.java

public static String formatFloat2Point(float num) {
    String f1 = "";
    try {/* w w w. ja va 2s .  com*/
        DecimalFormat fnum = new DecimalFormat("0.00");
        f1 = fnum.format(num);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return f1;
}

From source file:Main.java

public static String FormetFileSize(long fileSize) {
    DecimalFormat df = new DecimalFormat("0.0");
    String fileSizeString = "";
    if (fileSize < 1024L)
        fileSizeString = df.format(fileSize) + "B";
    else if (fileSize < 1048576L)
        fileSizeString = df.format(fileSize / 1024.0D) + "K";
    else if (fileSize < 1073741824L)
        fileSizeString = df.format(fileSize / 1048576.0D) + "M";
    else {//  w w w  .  ja v a2  s.  c  om
        fileSizeString = df.format(fileSize / 1073741824.0D) + "G";
    }
    return fileSizeString;
}

From source file:Main.java

public static String countBMI(float paramFloat1, float paramFloat2) {
    float f = paramFloat1 / (paramFloat2 * paramFloat2);
    return new DecimalFormat("######.0").format(f);
}

From source file:Main.java

public static String formatedIntStringFromInput(String inputStr) {
    Long n = longFromString(inputStr);
    DecimalFormat df = new DecimalFormat("#,###");
    return df.format(n);
}

From source file:Main.java

public static double roundTwoDecimals(double d) {
    try {//from ww  w  .  j av a2  s  . c  o  m
        DecimalFormat twoDForm = new DecimalFormat("#.##");
        return Double.valueOf(twoDForm.format(d));
    } catch (NumberFormatException nfe) {
        Log.d("nfe", nfe.toString());
        try {
            int i = (int) (d * 100);
            d = (i / 100);
            return d;
        } catch (NumberFormatException ne) {
            return d;
        }
    }
}

From source file:Main.java

public static String formatFileSizeToString(long fileLen) {
    DecimalFormat df = new DecimalFormat("#.00");
    String fileSizeString = "";
    if (fileLen < 1024) {
        fileSizeString = df.format((double) fileLen) + "B";
    } else if (fileLen < 1048576) {
        fileSizeString = df.format((double) fileLen / 1024) + "K";
    } else if (fileLen < 1073741824) {
        fileSizeString = df.format((double) fileLen / 1048576) + "M";
    } else {//w  ww . j  ava  2 s  .  c o m
        fileSizeString = df.format((double) fileLen / 1073741824) + "G";
    }
    return fileSizeString;
}