Here you can find the source of getSpecifiedDayAfter(String specifiedDay, int afterDay)
public static Date getSpecifiedDayAfter(String specifiedDay, int afterDay)
//package com.java2s; /*/* w w w . j ava 2s .c o m*/ * Copyright (C) 2015 The CloudKit Open Source Project * * Licensed 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.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; public class Main { public static Date getSpecifiedDayAfter(String specifiedDay, int afterDay) { Calendar c = Calendar.getInstance(); Date date = null; try { date = new SimpleDateFormat("yyyy-MM-dd").parse(specifiedDay); } catch (ParseException e) { e.printStackTrace(); } c.setTime(date); int day = c.get(Calendar.DATE); c.set(Calendar.DATE, day + afterDay); // String dayAfter = new SimpleDateFormat("yyyy-MM-dd").format(c.getTime()); return c.getTime(); } }