Java Calendar complete() Method

The complete() method of java calendar class is a protected method. This method can be called by any subclass within its class, but not by unrelated classes. It fills any unset fields in the calendar fields. ComputeTime() and ComputeField() are called to calculate time value and all the calendar field values.

Syntax

Parameter

Returns

This method does not return any value.

Throws

Example 1

import java.util.*;
public class CalendarCompleteExample1 extends GregorianCalendar {
   public static void main(String[] args) {
      // create a new calendar
      CalendarCompleteExample1 cal = new CalendarCompleteExample1();
      // print the current date
      System.out.println("The current date is : " + cal.getTime());
      // clear the calendar
      cal.clear();
      // set a new year and call complete()
      cal.set(GregorianCalendar.YEAR, 1998);
      //protected method
      cal.complete();
  // print the current date
      System.out.println("New date is : " + cal.getTime());
   }
}

Test it Now

Output:

The current date is : Tue Jul 31 19:56:09 PDT 2018
New date is : Thu Jan 01 00:00:00 PST 1998

Example 2

import java.util.*;
public class CalendarCompleteExample2 extends GregorianCalendar {
   public static void main(String[] args) {
      // create a new calendar
      CalendarCompleteExample2 cal = new CalendarCompleteExample2();
      // print the current date
      System.out.println("The current date is : " + cal.getTime());
      // clear the calendar
      cal.clear();
      // set a new year and call complete()
      cal.set(GregorianCalendar.MONTH, 10);
      //protected method
      cal.complete();
      // print the current date
      System.out.println("New Month is : " + cal.getTime());
   }
}

Test it Now

Output:

The current date is : Tue Jul 31 19:56:28 PDT 2018
New Month is : Sun Nov 01 00:00:00 PST 1970

Example 3

import java.util.*;
public class CalendarCompleteExample3 extends GregorianCalendar {
   public static void main(String[] args) {
      // create a new calendar
      CalendarCompleteExample3 cal = new CalendarCompleteExample3();
      // print the current date
      System.out.println("The current date is : " + cal.getTime());

      // clear the calendar
      cal.clear();
      // set a new year and call complete()
      cal.set(GregorianCalendar.DAY_OF_MONTH, 23);
      //protected method
      cal.complete();
      // print the current date
      System.out.println("New day is : " + cal.getTime());
   }
}

Test it Now

Output:

The current date is : Tue Jul 31 19:57:33 PDT 2018
New day is : Fri Jan 23 00:00:00 PST 1970

Example 4

import java.util.*;
public class CalendarCompleteExample4 extends GregorianCalendar {
   public static void main(String[] args) {
      // create a new calendar
      CalendarCompleteExample4 cal = new CalendarCompleteExample4();
      // print the current date
      System.out.println("The current date is : " + cal.getTime());
      // clear the calendar
      cal.clear();
      // set a new year and call complete()
      cal.set(GregorianCalendar.DAY_OF_MONTH, 23);
      cal.set(GregorianCalendar.MONTH, 9);
      cal.set(GregorianCalendar.YEAR, 1996);
      cal.set(GregorianCalendar.HOUR, 22);
       cal.set(GregorianCalendar.MINUTE, 1);
        cal.set(GregorianCalendar.SECOND, 0);
      //protected method
      cal.complete();
      // print the current date
      System.out.println("New DATE is : " + cal.getTime());
   }
}

Test it Now

Output:

The current date is : Tue Jul 31 20:01:19 PDT 2018
New DATE is : Wed Oct 23 22:01:00 PDT 1996

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