[Android, Java] Convenient method to calculate the difference in days

Thing you want to do

I want to create a convenient method to calculate the difference in days

Receives string date information as an argument → For example, `2018/01/01``` and `2018/01/20``` → Returns the difference of the date received as an argument as an integer

Implementation details

    public static int dateDiff(String dateFromStrig, String dateToString) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        Date dateTo = null;
        Date dateFrom = null;

        //Convert to Date type
        try {
            dateFrom = sdf.parse(dateFromStrig);
            dateTo = sdf.parse(dateToString);
        } catch (java.text.ParseException e) {

        //Calculate the number of days of difference
        long dateTimeTo = dateTo.getTime();
        long dateTimeFrom = dateFrom.getTime();
        long dayDiff = ( dateTimeTo - dateTimeFrom  ) / (1000 * 60 * 60 * 24 );

        System.out.println( "Difference days: " + dayDiff );
        return (int) dayDiff;

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