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import java.util.Calendar;
import java.util.Date;
public class KVMCalendar {
public static void main(String[] args) {
Calendar cal = Calendar.getInstance();
Date date = new Date();
cal.setTime(date);
int month = cal.get(Calendar.MONTH);
int day = cal.get(Calendar.DAY_OF_MONTH);
System.out.println("Day is " + day + ", month is " + month);
final long MILLIS_PER_DAY = 24 * 60 * 60 * 1000L;
long offset = date.getTime();
offset += 20 * MILLIS_PER_DAY;
date.setTime(offset);
cal.setTime(date);
month = cal.get(Calendar.MONTH);
day = cal.get(Calendar.DAY_OF_MONTH);
System.out.println("In 20 days time, day will " + day + ", month will be " + month);
System.out.println(cal);
}
}
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