The clear() method in Calendar class is used to clone a calendar object. It basically creates a shallow copy of this object.
Syntax:
public Object clone()
Parameters: The method does not take any parameters.
Return Value: The method does not return any value.
Below programs illustrate the working of clone() Method of Calendar class:
Example 1:
// Java Code to illustrate clone() Method import java.util.Calendar; public class CalendarClassDemo { public static void main(String args[]) { // Creating a calendar object Calendar calndr1 = Calendar.getInstance(); // Displaying current calendar System.out.println( "Original calendar: " + calndr1.getTime()); // Cloning the original Calendar calndr2 = (Calendar)calndr1.clone(); // Displaying the Copy System.out.println( "Cloned calendar: " + calndr2.getTime()); } } |
Original calendar: Tue Feb 12 11:41:36 UTC 2019 Cloned calendar: Tue Feb 12 11:41:36 UTC 2019
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()); // Cloning the original Calendar calndr2 = (Calendar)calndr1.clone(); // Displaying the Copy System.out.println( "Cloned calendar: " + calndr2.getTime()); } } |
Original calendar: Wed Jan 02 00:00:00 UTC 2019 Cloned calendar: Wed Jan 02 00:00:00 UTC 2019
Reference: https://docs.oracle.com/javase/7/docs/api/java/util/Calendar.html#clone()