import java.util.Calendar;
public class Main {
public static void main(String[] args) {
Calendar now = Calendar.getInstance();
System.out.println("Current time : " + now.get(Calendar.HOUR_OF_DAY) + ":"
+ now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));
now.add(Calendar.MINUTE, 20);
System.out.println("New time after adding 20 minutes : " + now.get(Calendar.HOUR_OF_DAY) + ":"
+ now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));
}
}