Java tutorial
//package com.java2s; //License from project: Apache License import java.util.Calendar; import java.util.Date; public class Main { /** * Determines the Date "date" adjusted by "days". * A negative value will return a date in the past. * @param date The date to be adjusted * @param days The number of days to adjust by * @return Returns a date object */ public static Date getDateAdjustedByDays(Date date, int days) { Calendar cal = Calendar.getInstance(); if (date != null) cal.setTime(date); cal.add(Calendar.DAY_OF_YEAR, days); return cal.getTime(); } }