Date conversions are very common scenarios in any application., Java Provides SimpleDateFormat class for String to Date, Date to String conversions. The below example shows How String format can be converted to Date Format. How to find difference between 2 Dates. Code:
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import java.text.SimpleDateFormat; import java.util.Date; class Example { public static void main(String args[]) { String date = "11/13/2018"; try { SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy"); Date parseDate = sdf.parse(date); System.out.println(parseDate); long differenceInMillis = new Date().getTime() - parseDate.getTime(); long differenceInDays = ((differenceInMillis/1000)/(60*60*24)); long year = differenceInDays/365; System.out.println("DifferenceInDays:"+differenceInDays); System.out.println("Age:"+year); } catch(Throwable t) { t.printStackTrace(); } } } |
Output
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Tue Nov 13 00:00:00 UTC 2018 DifferenceInDays:1099 Age:3 |