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:Main.java

public static Date firstDateOfNextMonth(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);//  www .  jav  a2s .  co  m
    calendar.add(Calendar.MONTH, 1);
    Date newDate = calendar.getTime();
    return firstDateOfMonth(newDate);
}

From source file:Main.java

public static String getNextDateByYear(String s, int i) {

    SimpleDateFormat simpledateformat = new SimpleDateFormat("yyyyMMdd");
    java.util.Date date = simpledateformat.parse(s, new ParsePosition(0));
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);/*  ww w . j av  a2  s .  c  o m*/
    calendar.add(Calendar.YEAR, i);
    date = calendar.getTime();
    s = simpledateformat.format(date);
    return s;
}

From source file:Main.java

public static String getFormatDateAdd(Date date, int amount, String format) {
    Calendar cal = new GregorianCalendar();
    cal.setTime(date);/*from   w w  w. j  a  va2  s . co  m*/
    cal.add(GregorianCalendar.DATE, amount);
    return getFormatDateTime(cal.getTime(), format);
}

From source file:Main.java

static Calendar toNextWholeMinute(Calendar d) {
    Calendar c = new GregorianCalendar();
    c.setTime(d.getTime());//from  w w w . j  a  v  a  2s.  co m
    c.add(Calendar.MINUTE, 1);
    c.set(Calendar.SECOND, 0);
    return c;
}

From source file:Main.java

private static void prepareCalendarNoSunday(Calendar calendar) {
    if (calendar.get(Calendar.DAY_OF_WEEK) == calendar.SUNDAY) {
        calendar.add(Calendar.DATE, 1);
    }//from  ww  w. j  av a 2  s. c om
}

From source file:Main.java

static Calendar toNextWholeHour(Calendar d) {
    Calendar c = new GregorianCalendar();
    c.setTime(d.getTime());/*from  www . j  a  v  a2  s .c  o m*/
    c.add(Calendar.HOUR, 1);
    c.set(Calendar.MINUTE, 0);
    c.set(Calendar.SECOND, 0);
    return c;
}

From source file:Main.java

public static boolean CoversFYStart(Calendar one, Calendar two, Calendar fy_start) throws Exception {
    if (one == null || two == null)
        throw new Exception("CoversFYStart: Null dates passed in");
    if (fy_start == null)
        throw new Exception("CoversFYStart: Null FY Start");

    int fy_month = fy_start.get(Calendar.MONTH);
    int fy_day = fy_start.get(Calendar.DAY_OF_MONTH);
    Calendar cal = (Calendar) one.clone();

    while (true) {
        cal.add(Calendar.DATE, 1);
        int month = cal.get(Calendar.MONTH);
        int day = cal.get(Calendar.DAY_OF_MONTH);
        if (month == fy_month && day == fy_day)
            break;
    }/*from   w ww . ja  v a 2  s. c o  m*/

    return cal.before(two);
}

From source file:Main.java

public static void add(Calendar c, int unit, long increment) {
    while (increment > Integer.MAX_VALUE) {
        c.add(unit, Integer.MAX_VALUE);
        increment -= Integer.MAX_VALUE;
    }/*from ww w  . j a  va  2  s . c om*/
    c.add(unit, (int) increment);
}

From source file:Main.java

public static Date getDateMinuteBefore(Date originalDate, int minutes) {
    Calendar cal = new GregorianCalendar();
    cal.setTime(originalDate);/*  w  w  w .  j av  a2 s .  c  o  m*/
    cal.add(Calendar.MINUTE, minutes * -1);
    return cal.getTime();
}

From source file:Main.java

public static Date getDateDayBefore(Date originalDate, int days) {
    Calendar cal = new GregorianCalendar();
    cal.setTime(originalDate);/*from w w  w. j  a v  a2 s.com*/
    cal.add(Calendar.DAY_OF_MONTH, days * -1);
    return cal.getTime();
}