The following examples shows us how to add time to a date using add() method of Calender.
import java.util.*;
public class Main {
public static void main(String[] args) throws Exception {
Date d1 = new Date();
Calendar cl = Calendar. getInstance();
cl.setTime(d1);
System.out.println("today is " + d1.toString());
cl. add(Calendar.MONTH, 1);
System.out.println("date after a month will be "
+ cl.getTime().toString() );
cl. add(Calendar.HOUR, 70);
System.out.println("date after 7 hrs will be "
+ cl.getTime().toString() );
cl. add(Calendar.YEAR, 3);
System.out.println("date after 3 years will be "
+ cl.getTime().toString() );
}
}
Result:
The above code sample will produce the following result.
today is Mon Jun 22 02:47:02 IST 2009
date after a month will be Wed Jul 22 02:47:02 IST 2009
date after 7 hrs will be Wed Jul 22 09:47:02 IST 2009
date after 3 years will be Sun Jul 22 09:47:02 IST 2012