Example usage for java.util Calendar get

Introduction

In this page you can find the example usage for java.util Calendar get.

Prototype

public int get(int field) 

Source Link

Document

Returns the value of the given calendar field.

Usage

From source file:com.glaf.core.job.SysDataLogCreateTableJob.java

public static void main(String[] args) {
    Date date = DateUtils.getDateAfter(new Date(), 0);
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);//from   ww w. j a  v a2 s .c o  m
    int year = calendar.get(Calendar.YEAR);
    int month = calendar.get(Calendar.MONTH);
    int daysOfMonth = DateUtils.getYearMonthDays(year, month + 1);

    calendar.set(year, month, daysOfMonth);

    int begin = getYearMonthDay(date);
    int end = getYearMonthDay(calendar.getTime());

    for (int i = begin; i <= end; i++) {
        logger.debug(i);
        try {
            SysDataLogTableUtils.createTable("SYS_DATA_LOG_" + i);
        } catch (Exception ex) {
            ex.printStackTrace();
            logger.error(ex);
        }
    }

}

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From source file:Main.java

public static void main(String[] args) {

    Calendar cal = Calendar.getInstance();
    Calendar future = Calendar.getInstance();

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

    future.set(Calendar.YEAR, 2015);
    System.out.println("Year is " + future.get(Calendar.YEAR));

    Date time = future.getTime();
    if (future.after(cal)) {
        System.out.println("Date " + time + " is after current date.");
    }// w  w w.  j  a  v a  2s .  c  om

}

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From source file:Main.java

public static void main(String[] args) {
    Calendar now = Calendar.getInstance();
    // add seconds to current date
    now.add(Calendar.SECOND, 500);
    System.out.println("adding 500 seconds : ");
    System.out.println(now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));

    // adding minus value
    now = Calendar.getInstance();
    now.add(Calendar.SECOND, -500);
    System.out.println("adding -500 seconds: ");
    System.out.println(now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));
}

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From source file:Main.java

public static void main(String[] args) {
    Calendar localTime = Calendar.getInstance();
    localTime.set(Calendar.HOUR, 17);
    localTime.set(Calendar.MINUTE, 15);
    localTime.set(Calendar.SECOND, 20);

    int hour = localTime.get(Calendar.HOUR);
    int minute = localTime.get(Calendar.MINUTE);
    int second = localTime.get(Calendar.SECOND);

    System.out.printf("Local time  : %02d:%02d:%02d\n", hour, minute, second);

    Calendar germanyTime = new GregorianCalendar(TimeZone.getTimeZone("Germany"));
    germanyTime.setTimeInMillis(localTime.getTimeInMillis());
    hour = germanyTime.get(Calendar.HOUR);
    minute = germanyTime.get(Calendar.MINUTE);
    second = germanyTime.get(Calendar.SECOND);

    System.out.printf("Germany time: %02d:%02d:%02d\n", hour, minute, second);
}

---

From source file:Main.java

public static void main(String[] args) {
    Calendar cal = Calendar.getInstance();
    cal.set(Calendar.YEAR, 2007);
    cal.set(Calendar.DAY_OF_YEAR, 180);

    System.out.println("Calendar date is: " + cal.getTime());

    int dayOfMonth = cal.get(Calendar.DAY_OF_MONTH);

    System.out.println("Calendar day of month: " + dayOfMonth);

    int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);

    System.out.println("Calendar day of week: " + dayOfWeek);
}

---

From source file:Main.java

public static void main(String[] args) {
    Calendar now = Calendar.getInstance();
    String[] strDays = new String[] { "Sunday", "Monday", "Tuesday", "Wednesday", "Thusday", "Friday",
            "Saturday" };
    System.out.println("Current day is : " + strDays[now.get(Calendar.DAY_OF_WEEK) - 1]);
}

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From source file:camera.Camera.java

/**
 * @param args the command line arguments
 *//*from w  ww.  j  a v a  2  s.  com*/
public static void main(String[] args) throws Exception {
    System.out.println("start compass.");
    //   Compass c = new Compass();
    //   c.start();
    System.out.println("start camera.");
    Camera cam = new Camera();
    cam.snapshot();
    // regelmssig zu festen Sekunden Foto schiessen. Thread.
    int phase;
    int lastPhase = -1;
    while (true) {
        Calendar cal = new GregorianCalendar();
        int stunde = cal.get(Calendar.HOUR_OF_DAY);
        int STUNDE_VON = 7;
        int STUNDE_BIS = 23;
        if ((stunde < STUNDE_VON) || (stunde > STUNDE_BIS)) {
            Thread.sleep(1000);
            continue;
        }
        // regelmssig Fotos
        int sekunde = cal.get(Calendar.SECOND);
        phase = sekunde / 10; // alle 10 sekunden wechsel  jede volle zehner wechselt
        //phase = phase % 4; // 4 phasen wenn ma unterteilen wollte

        if (phase == lastPhase) {
            //    Thread.sleep(300);
            //      continue;
        }
        lastPhase = phase;
        // zeit fr ein Foto.
        cam.snapshot();

    }
}

---

From source file:Main.java

public static void main(String[] args) {

    Calendar cal = Calendar.getInstance();
    Calendar past = Calendar.getInstance();

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

    // change year in past calendar
    past.set(Calendar.YEAR, 2013);
    System.out.println("Year is " + past.get(Calendar.YEAR));

    // check if calendar date is before current date
    System.out.println(cal.before(past));
}

---

From source file:Test.java

public static void main(String[] args) {
    Calendar calendar = Calendar.getInstance();
    if (calendar.isWeekDateSupported()) {
        System.out.println("Number of weeks in this year: " + calendar.getWeeksInWeekYear());
        System.out.println("Current week number: " + calendar.get(Calendar.WEEK_OF_YEAR));
    }/*from  w w w  .ja va  2 s. co m*/

    calendar.setWeekDate(2012, 16, 3);
    System.out.println(
            DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG).format(calendar.getTime()));

}

---

From source file:Main.java

public static void main(String[] args) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(new Date());

    calendar.set(Calendar.DAY_OF_MONTH, 1);
    // day of week for first date of month
    int weekOfFirstDate = calendar.get(Calendar.WEEK_OF_YEAR);

    int lastDateOfMonth = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
    calendar.set(Calendar.DAY_OF_MONTH, lastDateOfMonth);
    // day of week for last date of month

    int weekOfLastDate = calendar.get(Calendar.WEEK_OF_YEAR);

    calendar.roll(Calendar.MONTH, false);
    int lastDateOfPrevMonth = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);

    int weeksToDisplay = weekOfLastDate - weekOfFirstDate + 1;
    int[] days = new int[weeksToDisplay * 7];

    int firstDayPosition = 3;

    // fill previous month
    int x = lastDateOfPrevMonth;
    for (int i = firstDayPosition - 1; i >= 0; i--) {
        days[i] = x--;//  w w w.ja v a 2 s .  c o  m
    }

    // fill current month
    for (int i = 1; i < lastDateOfMonth + 1; i++) {
        days[firstDayPosition - 1 + i] = i;
    }

    // fill next month
    int j = 1;
    for (int i = lastDateOfMonth + firstDayPosition; i < days.length; i++) {
        days[i] = j++;
    }

    for (int i = 0; i < days.length; i++) {
        if (i % 7 == 0) {
            System.out.println();
        }
        System.out.print(days[i] + "\t");
    }
}

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