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Calendar clear() Method in Java with Examples
  • Last Updated : 12 Feb, 2019

The clear() method in Calendar class is used to set all the calendar field values and the time value of this Calendar undefined.
Note: Implementation of calendar class may use default field values for date and time calculations.

Syntax:

public final void clear()

Parameters: The method does not take any parameters.

Return Value: The method does not return any value.

Below programs illustrate the working of clear() Method of Calendar class:
Example:






// Java Code to illustrate clear() Method
  
import java.util.Calendar;
  
public class CalendarClassDemo {
    public static void main(String args[])
    {
        // Creating a calendar object
        Calendar calndr = Calendar.getInstance();
  
        // Displaying the Current Date
        System.out.println("Current Date&Time: "
                           + calndr.getTime());
  
        // Clear method for undefining the values
        // of the calendar
        calndr.clear();
  
        // Displaying the final result
        System.out.println("After clear method: "
                           + calndr.getTime());
    }
}
Output:
Current Date&Time: Tue Feb 12 13:01:42 UTC 2019
After clear method: Thu Jan 01 00:00:00 UTC 1970

Example 2:




// Java Code to illustrate clone() Method
  
import java.util.*;
  
public class CalendarClassDemo {
    public static void main(String args[])
    {
        // Creating a calendar object
        Calendar calndr1 = new GregorianCalendar(2018, 12, 2);
  
        // Displaying current calendar
        System.out.println("Original calendar: "
                           + calndr1.getTime());
  
        // Clear method for undefining the values
        // of the calendar
        calndr1.clear();
  
        // Displaying the final result
        System.out.println("After clear method: "
                           + calndr1.getTime());
    }
}
Output:
Original calendar: Wed Jan 02 00:00:00 UTC 2019
After clear method: Thu Jan 01 00:00:00 UTC 1970

Reference: https://docs.oracle.com/javase/7/docs/api/java/util/Calendar.html#clear()

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