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 dateAddDays(Date date, int days) {

    Calendar cal = Calendar.getInstance();
    cal.setTime(date);//from w ww.  j av  a 2  s .  c  o  m
    cal.add(Calendar.DAY_OF_YEAR, days);
    return cal.getTime();
}

From source file:Main.java

public static Date addDays(Date date, int days) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);//  ww  w .  j  av a2  s. c om
    cal.add(Calendar.DAY_OF_MONTH, days);
    return cal.getTime();
}

From source file:Main.java

public static Date addDay(Date date, int n) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);/*  w w w.j  av a 2 s .  c  om*/
    cal.add(Calendar.DATE, n);
    return cal.getTime();

}

From source file:Main.java

public static Date addTimeInterval(Date origin, int value, int unit) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(origin);//from   w  w w  . j  a  v  a  2  s.co  m
    cal.add(unit, value);
    return cal.getTime();
}

From source file:Main.java

public static Date addMonth(Date date, int n) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);//w  w  w.  jav  a  2s .  c o  m
    cal.add(Calendar.MONTH, n);
    return cal.getTime();

}

From source file:Main.java

public static Date offsiteDate(Date date, int calendarField, int offsite) {
    Calendar cal = Calendar.getInstance();
    cal.setTime(date);//from  w w w  .ja  va2 s . co  m
    cal.add(calendarField, offsite);
    return cal.getTime();
}

From source file:Main.java

/**
 * Checks for the given calendar is in coming 7 days
 * @param calendar/*from   w  w  w  .  j  a va  2 s.  c  o  m*/
 * @return true if given calendar is in coming week
 */
public static boolean isComingWeek(Calendar calendar) {
    boolean flag = false;
    Calendar calendar2 = Calendar.getInstance();
    calendar2.add(Calendar.DATE, 7);
    if (calendar.before(calendar2)) {
        flag = true;
    }
    return flag;
}

From source file:Main.java

private static long countDays(Calendar start, Calendar end) {
    long totalNumberOfDays = 0;
    while (start.before(end)) {
        start.add(Calendar.DAY_OF_MONTH, 1);
        totalNumberOfDays++;/*from w w w  .  j  a  v a  2  s.c o m*/
    }
    return totalNumberOfDays;
}

From source file:Main.java

public static int getDayNum(int index) {
    java.util.Calendar calendar = new java.util.GregorianCalendar();

    calendar.add(Calendar.DATE, index);//
    int dWeek = calendar.get(Calendar.DAY_OF_WEEK);
    int realDay = (dWeek - 1) == 0 ? 7 : (dWeek - 1);

    return realDay;
}

From source file:Main.java

public static Long getIncTimeInMillis(Date originDate, int increment) {
    if (null == originDate)
        return null;
    Calendar c = Calendar.getInstance();
    c.setTime(originDate);/*  www . j a v  a  2s  .com*/
    c.add(Calendar.MINUTE, increment);
    return c.getTimeInMillis();
}