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 void main(String[] args) {

    Calendar cal = Calendar.getInstance();

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

    // add 20 days to the calendar
    cal.add(Calendar.DATE, 20);
    System.out.println("20 days later: " + cal.getTime());

    // subtract 2 months from the calendar
    cal.add(Calendar.MONTH, -2);/*from w w w  .ja  v a 2  s.com*/
    System.out.println("2 months ago: " + cal.getTime());

    // subtract 5 year from the calendar
    cal.add(Calendar.YEAR, -5);
    System.out.println("5 years ago: " + cal.getTime());
}

From source file:DateAddHour.java

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

    // Substract 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());
}

From source file:CalendarManipulation.java

public static void main(String s[]) {
    Calendar cal = Calendar.getInstance();
    DateFormat df = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.MEDIUM);

    System.out.println(df.format(cal.getTime()));

    cal.add(Calendar.DATE, 8);
    System.out.println(df.format(cal.getTime()));
}

From source file:CalendarManipulation.java

public static void main(String s[]) {
    Calendar cal = Calendar.getInstance();
    DateFormat df = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.MEDIUM);

    System.out.println(df.format(cal.getTime()));

    cal.add(Calendar.HOUR, -4);
    System.out.println(df.format(cal.getTime()));
}

From source file:CalendarManipulation.java

public static void main(String s[]) {
    Calendar cal = Calendar.getInstance();
    DateFormat df = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.MEDIUM);

    System.out.println(df.format(cal.getTime()));

    cal.add(Calendar.AM_PM, 1);
    System.out.println(df.format(cal.getTime()));
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Calendar start = Calendar.getInstance();
    start.set(2015, 1, 21, 11, 1, 11);/*from   ww  w. ja  va 2 s.  c  o m*/
    Calendar end = Calendar.getInstance();

    Calendar clone = (Calendar) start.clone();
    int year = elapsed(clone, end, Calendar.YEAR);
    System.out.println(year + " year");
    clone.add(Calendar.YEAR, year);
    int month = elapsed(clone, end, Calendar.MONTH);
    clone.add(Calendar.MONTH, month);
    System.out.println(month + " month");

    int date = elapsed(clone, end, Calendar.DATE);
    clone.add(Calendar.DATE, date);
    System.out.println(date + " day");

    int hour = (int) (end.getTimeInMillis() - clone.getTimeInMillis()) / 3600000;
    clone.add(Calendar.HOUR, hour);
    System.out.println(hour + " hour");

    int minute = (int) (end.getTimeInMillis() - clone.getTimeInMillis()) / 60000;
    clone.add(Calendar.MINUTE, minute);
    System.out.println(minute + " minute");

    int millis = (int) (end.getTimeInMillis() - clone.getTimeInMillis()) / 1000;
    System.out.println(millis + " millis");

}

From source file:Main.java

public static void main(String[] args) {
    Calendar now = Calendar.getInstance();
    System.out.println("Current date : " + (now.get(Calendar.MONTH) + 1) + "-" + now.get(Calendar.DATE) + "-"
            + now.get(Calendar.YEAR));

    now.add(Calendar.MONTH, 10);
    System.out.println("date after 10 months : " + (now.get(Calendar.MONTH) + 1) + "-" + now.get(Calendar.DATE)
            + "-" + now.get(Calendar.YEAR));
}

From source file:Main.java

public static void main(String[] args) {
    Calendar now = Calendar.getInstance();
    System.out.println("Current date : " + (now.get(Calendar.MONTH) + 1) + "-" + now.get(Calendar.DATE) + "-"
            + now.get(Calendar.YEAR));

    now.add(Calendar.YEAR, 1);
    System.out.println("date after one year : " + (now.get(Calendar.MONTH) + 1) + "-" + now.get(Calendar.DATE)
            + "-" + now.get(Calendar.YEAR));

}

From source file:Main.java

public static void main(String[] args) {
    Calendar now = Calendar.getInstance();
    System.out.println("Current time : " + now.get(Calendar.HOUR_OF_DAY) + ":" + now.get(Calendar.MINUTE) + ":"
            + now.get(Calendar.SECOND));

    now.add(Calendar.SECOND, 100);
    System.out.println("New time after adding 100 seconds : " + now.get(Calendar.HOUR_OF_DAY) + ":"
            + now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));
}

From source file:Main.java

public static void main(String[] args) {
    Calendar now = Calendar.getInstance();
    System.out.println("Current time : " + now.get(Calendar.HOUR_OF_DAY) + ":" + now.get(Calendar.MINUTE) + ":"
            + now.get(Calendar.SECOND));

    now.add(Calendar.MINUTE, 20);
    System.out.println("New time after adding 20 minutes : " + now.get(Calendar.HOUR_OF_DAY) + ":"
            + now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));

}