In the previous example of adding and subtracting time span we have added and subtracted the time spans accordingly and since add() method automatically do the rolling according to the calendar.

Rolling Time Span in Java

     

In the previous example of adding and subtracting time span we have added and subtracted the time spans accordingly and since add() method automatically do the rolling according to the calendar.

We can roll up the current date by one day as calendar.roll(Calendar.DATE,true);

For rolling current month up by one we can write code as calendar.roll(Calendar.MONTH,true);

We can also roll year up by one year as calendar.roll(Calendar.YEAR,true); Here the second parameter's Boolean value true means rolling in upward direction and false means downwards.

Here is the full example code of RollingTimeSpan.java as follows:

RollingTimeSpan.java

import java.text.*;  import java.util.Calendar;  import java.util.GregorianCalendar;   public class RollingTimeSpan  {  public static void main(String[] args)  {   // set calendar to 10 DECEMBER 2008  Calendar calendar = new GregorianCalendar(2008,Calendar.DECEMBER,10);  System.out.println("Before Rolling date is: ");  SimpleDateFormat formatter = new SimpleDateFormat("d-MMMM-yyyy hh:mm");  System.out.println(formatter.format(calendar.getTime()));    System.out.println("-------------- Rolling -----------------");  // Rolling Date    calendar.roll(Calendar.DATE,true);   // Rolling Month    calendar.roll(Calendar.MONTH,true);  // Rolling Year    calendar.roll(Calendar.YEAR,true);      System.out.println("After Rolling 1 day 1 Month and 1 Year date is: ");  formatter = new SimpleDateFormat("d-MMMM-yyyy hh:mm");  System.out.println(formatter.format(calendar.getTime()));  }    }

Output:

C:\DateExample>javac RollingTimeSpan.java C:\DateExample>java RollingTimeSpan Before Rolling date is: 10-December-2008 12:00 -------------- Rolling ----------------- After Rolling 1 day 1 Month and 1 Year date is: 11-January-2009 12:00

Download Source Code

Related Tags for Rolling Time Span in Java:
c,  time,  calendar,  io,  method,  vi,  trac,  example,  call,  cte,  add,  to,  automatic,  ical,  exam,  span,  auto,  e,  li,  im,  ce,  dde,  in,  sub,  cal,  addin,  adding,  m,  tr,  ca,  dd,  nda,  ad,  subtract,  end,  automatically,  all,  me,  pan,  do,  xa,  xamp,  s,  su,  sp,  at,  added,  rac,  inc,  ha,  ime,  ll,  oma,  mpl,  pre,  and,  ar,  act,  cc,  rolling,  s,  s,  rd,  th,  av,  ati,  ica,  ica,  ple,  pl,  pr,  nd,  om,  ol,  o

More Tutorials from this section

• Java Date
• Adding time span example
• Comparing two Dates in Java with the use of after method
• Comparing two Dates in Java with the use of before method
• Comparing two Dates in Java
• Java Time Zone Example
• Date Format Example
• Simple Date example
• Day Format Example
• Example program to change Date formatting Symbols
• Time Format Example
• Example program to get all the available time zones
• Java Date Example
• Getting date by time
• Hour Format Example
• Java Date
• Formatting Date for a Locale Example
• Minutes Format Example
• Month Format Example
• Parsing Date And Time Example