Here you can find the source of addDate(Date date, int years, int months, int days)
Parameter | Description |
---|---|
date | date to calculate from |
years | number of years to add or subtract from the supplied date |
months | number of months to add or subtract from the supplied date |
days | number of days to add or subtract from the supplied date |
public static Date addDate(Date date, int years, int months, int days)
//package com.java2s; /*/* w w w.j av a 2s.c om*/ * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import java.util.Calendar; import java.util.Date; public class Main { /** * Calculates a date relative to the supplied date. * @param date date to calculate from * @param years number of years to add or subtract from the supplied date * @param months number of months to add or subtract from the supplied date * @param days number of days to add or subtract from the supplied date * @return the target date */ public static Date addDate(Date date, int years, int months, int days) { Calendar calendar = Calendar.getInstance(); if (date != null) calendar.setTime(date); if (years != 0) calendar.add(Calendar.YEAR, years); if (months != 0) calendar.add(Calendar.MONTH, months); if (days != 0) calendar.add(Calendar.DAY_OF_MONTH, days); return calendar.getTime(); } public static Date setTime(Date date, int hours, int minutes, int seconds, int millis) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.set(Calendar.HOUR_OF_DAY, hours); calendar.set(Calendar.MINUTE, minutes); calendar.set(Calendar.SECOND, seconds); calendar.set(Calendar.MILLISECOND, millis); return calendar.getTime(); } }