JAVA date Plus and minus

1. Using Java.util.Calender to achieve

Calendar calendar=calendar.getinstance ();
Calendar.settime (New Date ());
System.out.println (Calendar.get (Calendar.day_of_month));//Today's date
Calendar.set (Calendar.day_of_month,calendar.get (calendar.day_of_month) +1);//Let date plus 1
System.out.println (Calendar.get (calendar.date));//top of date plus 1

2. Use Java.text.SimpleDateFormat and java.util.Date to achieve

Date D=new date ();
SimpleDateFormat df=new SimpleDateFormat ("Yyyy-mm-dd");
System.out.println ("Today's Date:" +df.format (d));
System.out.println ("Two days ago Date:" + Df.format (new Date (D.gettime ()-2 * 24 * 60 * 60 * 1000)));
System.out.println ("Date after three days:" + df.format (new Date (D.gettime () + 3 * 24 * 60 * 60 * 1000)));

JAVA date Plus and minus