Java Calendar add() Method

This method adds the specified (signed) amount of time to the given calendar field, based on the calendar's rules.

Syntax

Parameter

field - the calendar field.

amount - the amount of date or time to be added to the field.

Returns

This method does not return a value

Throws

IllegalArgumentException - if field is ZONE_OFFSET, DST_OFFSET, or unknown, or if any calendar fields have out-of-range values in non-lenient mode.

Example 1

import java.util.Calendar;
public class CalendaraddExample1 {    
 public static void main(String[] args) {
      // create a new calendar
      Calendar cal = (Calendar) Calendar.getInstance();
      // print the current date and time
      System.out.println("" + cal.getTime());      
// add 9 years 
      cal.add((Calendar.YEAR), 9);
      // print the modified date and time
      System.out.println("" + cal.getTime());
   }
}

Test it Now

Output:

Sun Jul 29 07:42:05 PDT 2018
Thu Jul 29 07:42:05 PDT 2027

Example 2

import java.util.Calendar;
import java.util.*;
public class CalanderaddExample2 {
   public static void main(String[] args) {
      // create a new calendar
      Calendar cal = (Calendar) Calendar.getInstance();
      // print the current date and time
      System.out.println("" + cal.getTime());
      // add 2 months 
      cal.add((Calendar.MONTH), 2);
      // print the modified date and time
      System.out.println("" + cal.getTime());
     
   }
}

Test it Now

Output:

Sun Jul 29 07:43:38 PDT 2018
Sat Sep 29 07:43:38 PDT 2018

Example 3

import java.util.Calendar;
public class CalendaraddExample3 {
    public static void main(String[] args){
       // create a new calendar
      Calendar cal = (Calendar) Calendar.getInstance();
        // print the current date and time
      System.out.println("" + cal.getTime());
        int weekday = cal.get(Calendar.DAY_OF_WEEK);
        cal.add(Calendar.DAY_OF_MONTH, 10);
        // print the modified date and time
      System.out.println("" + cal.getTime());        
    }
}

Test it Now

Output:

Sun Jul 29 07:44:56 PDT 2018
Wed Aug 08 07:44:56 PDT 2018

Example 4

import java.util.Calendar;
public class CalendaraddExample4 {
      public static void main(String[] args){
       // create a new calendar
     Calendar cal = (Calendar) Calendar.getInstance();
        // print the current date and time
      System.out.println("" + cal.getTime());
        int weekday = cal.get(Calendar.DAY_OF_WEEK);
        cal.add(Calendar.HOUR, 10);
        // print the modified date and time
      System.out.println("" + cal.getTime());     
      cal.add(Calendar.MINUTE, 10);     
     System.out.println("" + cal.getTime());
       cal.add(Calendar.SECOND, 10);      
      System.out.println("" + cal.getTime());       
    }
}

Test it Now

Output:

Sun Jul 29 07:46:00 PDT 2018
Sun Jul 29 17:46:00 PDT 2018
Sun Jul 29 17:56:00 PDT 2018
Sun Jul 29 17:56:10 PDT 2018

Next TopicJava Calendar Class

← prev next →

Help Others, Please Share

Javatpoint Services

JavaTpoint offers too many high quality services. Mail us on [email protected], to get more information about given services.

Website Designing
Website Development
Java Development
PHP Development
WordPress
Graphic Designing
Logo
Digital Marketing
On Page and Off Page SEO
PPC
Content Development
Corporate Training
Classroom and Online Training
Data Entry

Training For College Campus

JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Please mail your requirement at [email protected].
Duration: 1 week to 2 week

^{Like/Subscribe us for latest updates or newsletter}