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());
   }
}

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());
     
   }
}

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());        
    }
}

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());       
    }
}

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

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Java Calendar add() Method

Syntax

Parameter

Returns

Throws

Example 1

Example 2

Example 3

Example 4

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Java Calendar add() Method

Syntax

Parameter

Returns

Throws

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Example 2

Example 3

Example 4

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