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:gov.nih.nci.ncicb.tcga.dcc.qclive.common.util.DateUtils.java

/**
 * Return the next day from the given day (the next day at 00:00)
 *
 * @param day the day to calculate the next day for
 * @return the next day from the given day
 *///from  w w  w .  jav a2s.com
public static Calendar getNextDayFrom(final Calendar day) {

    day.set(Calendar.HOUR_OF_DAY, 0);
    day.set(Calendar.MINUTE, 0);
    day.set(Calendar.SECOND, 0);
    day.set(Calendar.MILLISECOND, 0);

    // Next day
    day.add(Calendar.DAY_OF_YEAR, 1);

    return day;
}

From source file:com.jdom.junit.utils.AbstractFixture.java

/**
 * Get a randomized value./*  w  w  w  .j a v  a 2 s.  c o  m*/
 * 
 * @param value
 *            the value to randomize
 * @param salt
 *            the randomizer to use
 * @return the randomized value
 */
public static Date getSaltedValue(Date value, int salt) {
    Date retValue;

    if (salt == 0) {
        retValue = value;
    } else {
        Calendar cal = Calendar.getInstance();
        cal.setTime(value);
        cal.add(Calendar.HOUR, salt);
        retValue = cal.getTime();
    }

    return retValue;
}

From source file:com.swiftcorp.portal.common.util.CalendarUtils.java

public static Calendar addDayToCurrentDate(int day) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(new Date());
    calendar.add(Calendar.DAY_OF_MONTH, day);

    return calendar;
}

From source file:Main.java

public static String previosTimeDate(int sub) {
    SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
    java.util.Calendar calendar = java.util.Calendar.getInstance();
    java.util.Date date = null;/*from www  .  j  a  v a2s . c  o  m*/
    try {
        //date = simpleDateFormat.parse(simpleDateFormat.format(new Date())); 
        java.util.Date currentTime = calendar.getTime();

        calendar.setTime(currentTime);

        // add(Calendar.DAY_OF_MONTH, -5).
        calendar.add(java.util.Calendar.HOUR_OF_DAY, -sub);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return simpleDateFormat.format(calendar.getTime());

}

From source file:Main.java

/**
 * Creates a calendar object with the next absolute time determined by hour and minute
 * @param hourOfDay/*  ww w  . j a v  a 2 s .  c  om*/
 * @param minute
 * @return
 */
public static Calendar getNextAlarmTimeAbsolute(int hourOfDay, int minute) {
    Calendar cal = Calendar.getInstance();
    Calendar calNow = (Calendar) cal.clone();

    cal.set(Calendar.HOUR_OF_DAY, hourOfDay);
    cal.set(Calendar.MINUTE, minute);
    cal.set(Calendar.SECOND, 0);
    cal.set(Calendar.MILLISECOND, 0);

    if (cal.compareTo(calNow) <= 0) {
        //Today's time passed, count to tomorrow
        cal.add(Calendar.DATE, 1);
    }
    return cal;
}

From source file:com.uber.hoodie.common.model.HoodieTestUtils.java

public static List<String> monotonicIncreasingCommitTimestamps(int numTimestamps, int startSecsDelta) {
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.SECOND, startSecsDelta);
    List<String> commits = new ArrayList<>();
    for (int i = 0; i < numTimestamps; i++) {
        commits.add(HoodieActiveTimeline.COMMIT_FORMATTER.format(cal.getTime()));
        cal.add(Calendar.SECOND, 1);
    }/* w w  w .j a va 2 s .  c  om*/
    return commits;
}

From source file:gov.nih.nci.cabig.caaers.utils.DateUtils.java

/**
 * This is a convenient method to get yesterday date
 * @return/* www . j  a v a  2  s  .  c om*/
 */
public static Date yesterday() {
    Calendar c = Calendar.getInstance();
    c.add(Calendar.DATE, -1);
    Date d = c.getTime();
    d.setHours(0);
    d.setMinutes(0);
    return d;
}

From source file:com.project.framework.util.DateUtils.java

/**
 * ????//from  w w w.  j  a  v a  2  s.c  o m
 * @param date
 * @param second
 * @return date
 * @authorJiaYunqi
 */
public static Date getAddSecond(Date date, int second) {
    Calendar calendar = Calendar.getInstance();
    if (date != null) {
        calendar.setTime(date);
    }
    calendar.add(Calendar.SECOND, second);
    return calendar.getTime();
}

From source file:com.sungtech.goodTeacher.action.TeacherInfoAction.java

private static Date getNextDay(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);//from  w w  w.j  ava 2 s.c o  m
    calendar.add(Calendar.DAY_OF_MONTH, -1);
    date = calendar.getTime();
    return date;
}

From source file:gov.nih.nci.cabig.caaers.utils.DateUtils.java

/**
 * This is a convenient method to get tomorrow
 * @return//from  ww w. j ava  2  s .  com
 */
public static Date tomorrow() {
    Calendar c = Calendar.getInstance();
    c.add(Calendar.DATE, 1);

    Date d = c.getTime();
    d.setHours(0);
    d.setMinutes(0);

    return d;
}