Java Program To Add Weeks To Date

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import java.util.Calendar;
import java.util.GregorianCalendar;

public class JavaAddWeeksToDateExample {

	public static java.sql.Date addWeeks(final java.util.Date date, final int weeks) {
		java.sql.Date derivedDate = null;

		if (date != null) {
			final GregorianCalendar calendar = new GregorianCalendar();
			calendar.setTime(date);
			calendar.add(Calendar.DATE, weeks * 7);
			derivedDate = new java.sql.Date(calendar.getTime().getTime());
		}

		return derivedDate;
	}

	public static void main(String[] args) {
		final java.util.Date currentDate = new java.util.Date(System.currentTimeMillis());
		System.out.println("Current Date : " + currentDate);
		final int weeksToAdd = 10;
		final java.sql.Date calculatedDate = addWeeks(currentDate, weeksToAdd);
		System.out.println("Date after adding weeks : " + calculatedDate);
	}
}

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