How to calculate the difference between two dates

In the given example we will learn how to calculate the difference between two dates in java in terms of Second/ Minutes / Hours / Days.

public int getDateDiffFromNow(String date){
		int days = 0;
		try{
			SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault());
			long diff = new Date().getTime() - sdf.parse(date).getTime();
			long seconds = diff / 1000;
			long minutes = seconds / 60;
			long hours = minutes / 60;
			days = ((int) (long) hours / 24);
			Log.i(TAG, "Date "+date+" Difference From Now :"+ days + " days");
		}catch (Exception e){
			e.printStackTrace();
		}
		return days;
}

Call this function:

String old_date =  "2016-11-05";
getDateDiffFromNow(old_date)

Output

Date 2016-11-05 Difference From Now : 732 days