Calendar date next day, month, etc.

Import java.util.Date; 

     
a Date DATE = new new    a Date (); // get time 
System.out.println (Date.toString ()); 
    Calendar Calendar    =    new new    the GregorianCalendar ();  
    calendar.setTime (DATE);  
    Calendar.add (Calendar.YEAR, 1); // . the increase later date pushed back a year integers, negative numbers move forward 
    Calendar.add (Calendar.DAY_OF_MONTH, 1); // put the date back a month increase to an integer. push, move forward negative 
    Calendar.add (calendar.DATE,. 1); // the date one day later increase integer pushed back, forward movement negative.  
    Calendar.add (calendar.WEEK_OF_MONTH,. 1); // put additional month later date pushed back integers, negative numbers move forward. 
    dATE = calendar.getTime ();    //This time is the result date pushed back a day  
    System.out.println (date.toString ());