Here you can find the source of getNextDay(String nowdate, String delay)
public static String getNextDay(String nowdate, String delay)
//package com.java2s; //License from project: Apache License import java.text.ParsePosition; import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static final SimpleDateFormat FORMATTER_SHORT = new SimpleDateFormat("yyyy-MM-dd"); public static final SimpleDateFormat FORMATTER_LONG = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); public static String getNextDay(String nowdate, String delay) { try {//from w ww . j av a2 s . com SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); String mdate = ""; Date d = strToDate(nowdate); long myTime = (d.getTime() / 1000) + Integer.parseInt(delay) * 24 * 60 * 60; d.setTime(myTime * 1000); mdate = format.format(d); return mdate; } catch (Exception e) { return ""; } } public static Date strToDate(String strDate) { ParsePosition pos = new ParsePosition(0); Date strtodate = FORMATTER_SHORT.parse(strDate, pos); return strtodate; } public static String getTime() { Date currentTime = new Date(); String dateString = FORMATTER_LONG.format(currentTime); String min; min = dateString.substring(14, 16); return min; } }