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import java.lang.Object;import java.util.Calendar;import java.util.GregorianCalendar;public class ProjectCalendar {    public static void main (String [] args) {        GregorianCalendar cal = new GregorianCalendar();        cal.add(Calendar.DAY_OF_MONTH, 100);        int dayOfMonth = cal.get(Calendar.DAY_OF_MONTH);        int month = cal.get(Calendar.MONTH);        int year = cal.get(Calendar.YEAR);        int weekday = cal.get(Calendar.DAY_OF_WEEK);        System.out.println("Day of Month: " + dayOfMonth);        System.out.println("Month: " + month);        System.out.println("Year: " + month);        System.out.println("Weekday: " + weekday);    }}