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:MainClass.java

public static void main(final String args[]) {
    JFrame frame = new JFrame("JSpinner Dates");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Calendar cal = Calendar.getInstance();
    Date now = cal.getTime();//from   w w  w .j  a v a 2s .  co m
    cal.add(Calendar.YEAR, -50);
    Date startDate = cal.getTime();
    cal.add(Calendar.YEAR, 100);
    Date endDate = cal.getTime();
    SpinnerModel model2 = new SpinnerDateModel(now, startDate, endDate, Calendar.YEAR);
    JSpinner spinner2 = new JSpinner(model2);
    JLabel label2 = new JLabel("Range");
    JPanel panel2 = new JPanel(new BorderLayout());

    panel2.add(label2, BorderLayout.WEST);
    panel2.add(spinner2, BorderLayout.CENTER);
    frame.add(panel2, BorderLayout.SOUTH);

    frame.setSize(200, 90);
    frame.setVisible(true);

}

From source file:Main.java

public static void main(String[] args) {
    Calendar cal = Calendar.getInstance();
    System.out.println("Now : " + cal.getTime());

    int monthsToDecrement = -1;
    cal.add(Calendar.MONTH, monthsToDecrement);
    System.out.println("Date after decrement: " + cal.getTime());
}

From source file:Main.java

public static void main(String[] args) {

    Calendar cal = Calendar.getInstance();
    System.out.println("Now : " + cal.getTime());

    int daysToIncrement = 5;

    cal.add(Calendar.DATE, daysToIncrement);
    System.out.println("Date after increment: " + cal.getTime());

}

From source file:Main.java

public static void main(String[] args) {
    Calendar cal = Calendar.getInstance();

    System.out.println("Today : " + cal.getTime());

    // Subtract 1 year from the calendar
    cal.add(Calendar.YEAR, -1);
    System.out.println("1 year ago: " + cal.getTime());
}

From source file:Main.java

public static void main(String[] args) {
    Calendar cal = Calendar.getInstance();

    System.out.println("Today : " + cal.getTime());

    // Substract 1 year from the calendar
    cal.add(Calendar.YEAR, -1);
    System.out.println("1 year ago: " + cal.getTime());
}

From source file:MainClass.java

public static void main(String argv[]) throws Exception {
    Calendar cc1 = Calendar.getInstance();
    Calendar cc2 = Calendar.getInstance();
    cc1.add(Calendar.DAY_OF_MONTH, 10);

    DateDiff(cc1.getTime(), cc2.getTime());

    java.util.Date d1 = makeDate("10/10/2000");
    java.util.Date d2 = makeDate("10/18/2000");
    DateDiff(d1, d2);//  w  ww .  j  a  v a2  s .co m

    java.util.Date d3 = makeDate("1/1/2000");
    java.util.Date d4 = makeDate("12/31/2000");
    int diff34 = diff(d3, d4);
    System.out.println("diff34=" + diff34);
}

From source file:Main.java

public static void main(String[] args) {
    Calendar cal = Calendar.getInstance();

    System.out.println("Today : " + cal.getTime());

    // Subtract 30 days from the calendar
    cal.add(Calendar.DATE, -30);
    System.out.println("30 days ago: " + cal.getTime());

}

From source file:Main.java

public static void main(String[] args) {
    Calendar cal = Calendar.getInstance();

    System.out.println("Today : " + cal.getTime());

    // Substract 30 days from the calendar
    cal.add(Calendar.DATE, -30);
    System.out.println("30 days ago: " + cal.getTime());

}

From source file:com.isoftstone.proxy.Program.java

public static void main(String[] args) throws IOException {
    int insertIntervalTime = Integer.valueOf(Config.getValue("proxy_insert_minutes"));
    int checkIntervalTime = Integer.valueOf(Config.getValue("proxy_check_minute"));
    SchedulerFactory sf = new StdSchedulerFactory();
    Scheduler sched;/* w ww . java  2s. c  o  m*/
    try {
        sched = sf.getScheduler();

        // ????
        JobDetail parseProxyJob = JobBuilder.newJob(ParseProxyJob.class).withIdentity("parseProxyJob", "Group")
                .build();

        SimpleTrigger parseProxyTrigger = (SimpleTrigger) TriggerBuilder
                .newTrigger().withIdentity("parseProxyJob", "Group").withSchedule(SimpleScheduleBuilder
                        .simpleSchedule().withIntervalInMinutes(insertIntervalTime).repeatForever())
                .startAt(new Date()).build();

        sched.scheduleJob(parseProxyJob, parseProxyTrigger);

        // ??
        JobDetail checkProxyJob = JobBuilder.newJob(CheckProxyJob.class).withIdentity("checkProxyJob", "Group")
                .build();

        /**
         * 10s?.
         */
        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.SECOND, 10);

        SimpleTrigger checkProxyTrigger = (SimpleTrigger) TriggerBuilder.newTrigger()
                .withIdentity("checkProxyJob", "Group").withSchedule(SimpleScheduleBuilder.simpleSchedule()
                        .withIntervalInMinutes(checkIntervalTime).repeatForever())
                .startAt(calendar.getTime()).build();

        sched.scheduleJob(checkProxyJob, checkProxyTrigger);

        sched.start();

        String uriHost = Config.getValue("http_server_host");
        URI baseUri = UriBuilder.fromUri(uriHost).port(9998).build();
        ResourceConfig config = new ResourceConfig(HttpProxyServer.class);
        HttpServer server = GrizzlyHttpServerFactory.createHttpServer(baseUri, config);

    } catch (SchedulerException e) {
        LOG.error("SchedulerException", e);
    }
}

From source file:DateAddHour.java

public static void main(String[] args) {
    Calendar calendar = Calendar.getInstance();
    System.out.println("Original = " + calendar.getTime());

    // Subtract 2 hour from the current time
    calendar.add(Calendar.HOUR, -2);

    // Add 30 minutes to the calendar time
    calendar.add(Calendar.MINUTE, 30);

    // Add 300 seconds to the calendar time
    calendar.add(Calendar.SECOND, 300);
    System.out.println("Updated  = " + calendar.getTime());
}