Example usage for java.util Calendar add

Introduction

In this page you can find the example usage for java.util Calendar add.

Prototype

public abstract void add(int field, int amount);

Source Link

Document

Adds or subtracts the specified amount of time to the given calendar field, based on the calendar's rules.

Usage

From source file:com.taobao.tddl.sample.util.DateUtil.java

/**
 * //*from  w  w  w.  java2s. co  m*/
 *
 * @param intervals
 * @param format
 * @return
 */
public static String getDiffDate(int intervals, String format) {
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DATE, intervals);
    Date intervalDay = cal.getTime();
    return formatDate(intervalDay, format);
}

From source file:Main.java

public static Date getNextdayDate(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);/*from  w  w  w  .  jav  a 2  s  .  c o  m*/
    calendar.add(Calendar.DATE, 1);
    return calendar.getTime();
}

From source file:Main.java

public static Date getLastdayDate(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);/*from  w  w w . j a v  a2s . c o m*/
    calendar.add(Calendar.DATE, -1);
    return calendar.getTime();
}

From source file:Main.java

public static String getLastDayOfThisMonth() {
    String str = "";
    Calendar lastDate = Calendar.getInstance();
    lastDate.set(Calendar.DATE, 1);//
    lastDate.add(Calendar.MONTH, 1);//
    lastDate.add(Calendar.DATE, -1);//

    str = sdf.format(lastDate.getTime());
    return str;/*  ww  w. j  a  v  a 2  s .  co m*/
}

From source file:Main.java

private static int elapsed(Calendar before, Calendar after, int field) {
    Calendar clone = (Calendar) before.clone();
    int elapsed = -1;
    while (!clone.after(after)) {
        clone.add(field, 1);
        elapsed++;/*from  w  ww. j  av  a  2  s.  co m*/
    }
    return elapsed;
}

From source file:Main.java

public static Date nextMonth(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(getFirstDate(date));
    calendar.add(Calendar.MONTH, 1);
    return calendar.getTime();
}

From source file:Main.java

public static Date startOfNextDay(Date origDate) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(origDate);/*from   www  .  j  ava2 s .  c  o  m*/
    cal.add(Calendar.DATE, 1);

    return startOfDay(cal.getTime());
}

From source file:Main.java

public static Calendar getMonday(Calendar calendar) {
    while (calendar.get(Calendar.DAY_OF_WEEK) != Calendar.MONDAY) {
        calendar.add(Calendar.DATE, -1);
    }//  ww w.  ja v a  2 s .  c o m

    return calendar;
}

From source file:io.github.seiferma.jameica.hibiscus.dkb.creditcard.util.DateUtils.java

public static Date getDateAgo(Unit unit, int amount) {
    Validate.inclusiveBetween(0, Integer.MAX_VALUE, amount);

    Calendar calendar = new GregorianCalendar();
    calendar.add(unit.getCalendarField(), -amount);
    return calendar.getTime();
}

From source file:Main.java

public static String dateformat(String format, Date date, int afterDay) {
    Calendar ca = Calendar.getInstance();
    ca.setTime(date);/*from ww w  .j av a  2  s. c om*/
    if (afterDay != 0)
        ca.add(Calendar.DATE, afterDay);
    SimpleDateFormat df = new SimpleDateFormat(format);
    return df.format(ca.getTime());
}