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 Calendar getExpireTime(int expireSeconds) {
    Calendar c = Calendar.getInstance();
    c.add(Calendar.SECOND, expireSeconds);
    return c;//from w ww . j a v a2  s  .c o m
}

From source file:Main.java

public static Date getYesterdayDate() {
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DATE, -1);
    return cal.getTime();
}

From source file:Main.java

public static Date getYesterday(Date from) {
    Calendar c = buildFromDate(from);
    c.add(Calendar.DATE, -1); // number of days to add
    return c.getTime();
}

From source file:Main.java

public static Calendar getMonthsByOffset(Calendar c, int offset) {
    Calendar nextC = (Calendar) c.clone();
    nextC.add(Calendar.MONTH, offset);
    return nextC;
}

From source file:Main.java

public static Date getTomorrow(Date from) {
    Calendar c = buildFromDate(from);
    c.add(Calendar.DATE, 1); // number of days to add
    return c.getTime();
}

From source file:Main.java

public static String getNextHourDateTime() {
    Calendar c = Calendar.getInstance();
    c.add(Calendar.HOUR, 1);
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:MM:ss");
    String nextTime = sdf.format(new Date(c.getTimeInMillis()));
    return nextTime;
}

From source file:Main.java

public static String getPreviousDate(int days) {
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DATE, -days);
    return sdf.format(cal.getTime());
}

From source file:Main.java

public static String getNowTime() {
    Calendar nowTime = Calendar.getInstance();
    nowTime.add(Calendar.HOUR_OF_DAY, 8);
    return new SimpleDateFormat("yyyyMMddHHmmssSSS").format(nowTime.getTime());
}

From source file:Main.java

public static String getYesterdayData() {
    Calendar cal = Calendar.getInstance();
    cal.add(Calendar.DATE, -1);
    String yesterday = new SimpleDateFormat("yyyy-MM-dd ").format(cal.getTime());
    return yesterday;
}

From source file:Main.java

public static int getDayOfMonth(int offset) {
    Calendar calendar = Calendar.getInstance();
    calendar.add(Calendar.MONTH, offset);
    return calendar.get(Calendar.DAY_OF_MONTH);
}