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avec


Joined: 2014/2/22
Messages: 9
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public class Format {

    public static String numberFormat(int value) {
        NumberFormat myFormatter = NumberFormat.getInstance();
        return myFormatter.format(value);
    }

    public static String decimalFormat(String pattern, int value) {
        DecimalFormat myFormatter = new DecimalFormat(pattern);
        return myFormatter.format(value);
    }

    public static void main(String[] args) {
        System.out.println(Format.readableFileSize(1000000));
    }


    public static String readableFileSize(long size) {
        if (size <= 0) return "0";
        final String[] units = new String[]{"B", "KB", "MB", "GB", "TB"};
        int digitGroups = (int) (Math.log10(size) / Math.log10(1000));
        return new DecimalFormat("#,##0.#").format(size / Math.pow(1000, digitGroups)) + " " + units[digitGroups];

    }
}
avec


Joined: 2014/2/22
Messages: 9
Offline
var speedCheck = (function (start) {
    var end = new Date().getTime();
    var time = (end - start);
    alert("Time(millisec) : " + time);
});
 
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