Example usage for java.util Calendar JANUARY

List of usage examples for java.util Calendar JANUARY

  1. HOME
  2. Java
  3. java
  4. java.util.*
  5. Calendar
  6. JANUARY

Introduction

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

Prototype

int JANUARY

To view the source code for java.util Calendar JANUARY.

Click Source Link

Document

Value of the #MONTH field indicating the first month of the year in the Gregorian and Julian calendars.

Usage

From source file:Main.java

public static void main(String[] args) {
    Calendar now = Calendar.getInstance();
    System.out.println(now.getTime());
    int month = now.get(Calendar.MONTH);
    if (month == Calendar.JANUARY) {
        System.out.println("JANUARY");
    }//w ww .j a  va 2 s .c  o m
    if (month == Calendar.FEBRUARY) {
        System.out.println("FEBRUARY");
    }
    if (month == Calendar.MARCH) {
        System.out.println("MARCH");
    }
    if (month == Calendar.APRIL) {
        System.out.println("APRIL");
    }
    if (month == Calendar.MAY) {
        System.out.println("MAY");
    }
    if (month == Calendar.JUNE) {
        System.out.println("JUNE");
    }
    if (month == Calendar.JULY) {
        System.out.println("JULY");
    }
    if (month == Calendar.AUGUST) {
        System.out.println("AUGUST");
    }
    if (month == Calendar.SEPTEMBER) {
        System.out.println("SEPTEMBER");
    }
    if (month == Calendar.OCTOBER) {
        System.out.println("OCTOBER");
    }
    if (month == Calendar.NOVEMBER) {
        System.out.println("NOVEMBER");
    }
    if (month == Calendar.DECEMBER) {
        System.out.println("DECEMBER");
    }

}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    Calendar xmas = new GregorianCalendar(1998, Calendar.DECEMBER, 25);
    int dayOfWeek = xmas.get(Calendar.DAY_OF_WEEK); // 6=Friday

    Calendar cal = new GregorianCalendar(2003, Calendar.JANUARY, 1);
    dayOfWeek = cal.get(Calendar.DAY_OF_WEEK); // 4=Wednesday
}

From source file:MainClass.java

public static void main(String[] args) {

    // get a calendar using the default time zone and locale.
    Calendar calendar = Calendar.getInstance();

    // set Date portion to January 1, 1970
    calendar.set(Calendar.YEAR, 1970);
    calendar.set(Calendar.MONTH, Calendar.JANUARY);
    calendar.set(Calendar.DATE, 1);

    // normalize the object
    calendar.set(Calendar.HOUR_OF_DAY, 0);
    calendar.set(Calendar.MINUTE, 0);
    calendar.set(Calendar.SECOND, 0);
    calendar.set(Calendar.MILLISECOND, 0);

    java.sql.Date javaSqlDate = new java.sql.Date(calendar.getTime().getTime());
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    SpinnerDateModel dateModel = new SpinnerDateModel();
    JSpinner spinner = new JSpinner(dateModel);

    Calendar calendar = new GregorianCalendar(2000, Calendar.JANUARY, 1);
    spinner.setValue(calendar.getTime());
}

From source file:org.lieuofs.extraction.commune.mutation.ExtracteurMutation.java

public static void main(String[] args) throws IOException {
    ApplicationContext context = new ClassPathXmlApplicationContext(new String[] { "beans_extraction.xml" });
    ExtracteurMutation extracteur = (ExtracteurMutation) context.getBean("extracteurMutation");
    Calendar cal = Calendar.getInstance();
    cal.set(2013, Calendar.JANUARY, 1);
    BufferedWriter writer = new BufferedWriter(
            new OutputStreamWriter(new FileOutputStream("MutationCommune2013.txt"), "Windows-1252"));
    extracteur.extraireMutation(cal.getTime(), writer);
}

From source file:org.eclipse.swt.snippets.Snippet179.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 179");
    shell.setLayout(new GridLayout());
    final Text text = new Text(shell, SWT.BORDER);
    text.setText("YYYY/MM/DD");
    final Calendar calendar = Calendar.getInstance();
    text.addListener(SWT.Verify, new Listener() {
        boolean ignore;

        @Override//from  ww  w  .  ja  v  a  2 s .co m
        public void handleEvent(Event e) {
            if (ignore)
                return;
            e.doit = false;
            StringBuilder buffer = new StringBuilder(e.text);
            char[] chars = new char[buffer.length()];
            buffer.getChars(0, chars.length, chars, 0);
            if (e.character == '\b') {
                for (int i = e.start; i < e.end; i++) {
                    switch (i) {
                    case 0: /* [Y]YYY */
                    case 1: /* Y[Y]YY */
                    case 2: /* YY[Y]Y */
                    case 3: /* YYY[Y] */ {
                        buffer.append('Y');
                        break;
                    }
                    case 5: /* [M]M*/
                    case 6: /* M[M] */ {
                        buffer.append('M');
                        break;
                    }
                    case 8: /* [D]D */
                    case 9: /* D[D] */ {
                        buffer.append('D');
                        break;
                    }
                    case 4: /* YYYY[/]MM */
                    case 7: /* MM[/]DD */ {
                        buffer.append('/');
                        break;
                    }
                    default:
                        return;
                    }
                }
                text.setSelection(e.start, e.start + buffer.length());
                ignore = true;
                text.insert(buffer.toString());
                ignore = false;
                text.setSelection(e.start, e.start);
                return;
            }

            int start = e.start;
            if (start > 9)
                return;
            int index = 0;
            for (int i = 0; i < chars.length; i++) {
                if (start + index == 4 || start + index == 7) {
                    if (chars[i] == '/') {
                        index++;
                        continue;
                    }
                    buffer.insert(index++, '/');
                }
                if (chars[i] < '0' || '9' < chars[i])
                    return;
                if (start + index == 5 && '1' < chars[i])
                    return; /* [M]M */
                if (start + index == 8 && '3' < chars[i])
                    return; /* [D]D */
                index++;
            }
            String newText = buffer.toString();
            int length = newText.length();
            StringBuilder date = new StringBuilder(text.getText());
            date.replace(e.start, e.start + length, newText);
            calendar.set(Calendar.YEAR, 1901);
            calendar.set(Calendar.MONTH, Calendar.JANUARY);
            calendar.set(Calendar.DATE, 1);
            String yyyy = date.substring(0, 4);
            if (yyyy.indexOf('Y') == -1) {
                int year = Integer.parseInt(yyyy);
                calendar.set(Calendar.YEAR, year);
            }
            String mm = date.substring(5, 7);
            if (mm.indexOf('M') == -1) {
                int month = Integer.parseInt(mm) - 1;
                int maxMonth = calendar.getActualMaximum(Calendar.MONTH);
                if (0 > month || month > maxMonth)
                    return;
                calendar.set(Calendar.MONTH, month);
            }
            String dd = date.substring(8, 10);
            if (dd.indexOf('D') == -1) {
                int day = Integer.parseInt(dd);
                int maxDay = calendar.getActualMaximum(Calendar.DATE);
                if (1 > day || day > maxDay)
                    return;
                calendar.set(Calendar.DATE, day);
            } else {
                if (calendar.get(Calendar.MONTH) == Calendar.FEBRUARY) {
                    char firstChar = date.charAt(8);
                    if (firstChar != 'D' && '2' < firstChar)
                        return;
                }
            }
            text.setSelection(e.start, e.start + length);
            ignore = true;
            text.insert(newText);
            ignore = false;
        }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:TextVerifyInputFormatDate.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    final Text text = new Text(shell, SWT.BORDER);
    text.setText("YYYY/MM/DD");
    ;//ww  w .  ja v a  2 s.  c  o m
    final Calendar calendar = Calendar.getInstance();
    text.addListener(SWT.Verify, new Listener() {
        boolean ignore;

        public void handleEvent(Event e) {
            if (ignore)
                return;
            e.doit = false;
            StringBuffer buffer = new StringBuffer(e.text);
            char[] chars = new char[buffer.length()];
            buffer.getChars(0, chars.length, chars, 0);
            if (e.character == '\b') {
                for (int i = e.start; i < e.end; i++) {
                    switch (i) {
                    case 0: /* [Y]YYY */
                    case 1: /* Y[Y]YY */
                    case 2: /* YY[Y]Y */
                    case 3: /* YYY[Y] */ {
                        buffer.append('Y');
                        break;
                    }
                    case 5: /* [M]M */
                    case 6: /* M[M] */ {
                        buffer.append('M');
                        break;
                    }
                    case 8: /* [D]D */
                    case 9: /* D[D] */ {
                        buffer.append('D');
                        break;
                    }
                    case 4: /* YYYY[/]MM */
                    case 7: /* MM[/]DD */ {
                        buffer.append('/');
                        break;
                    }
                    default:
                        return;
                    }
                }
                text.setSelection(e.start, e.start + buffer.length());
                ignore = true;
                text.insert(buffer.toString());
                ignore = false;
                text.setSelection(e.start, e.start);
                return;
            }

            int start = e.start;
            if (start > 9)
                return;
            int index = 0;
            for (int i = 0; i < chars.length; i++) {
                if (start + index == 4 || start + index == 7) {
                    if (chars[i] == '/') {
                        index++;
                        continue;
                    }
                    buffer.insert(index++, '/');
                }
                if (chars[i] < '0' || '9' < chars[i])
                    return;
                if (start + index == 5 && '1' < chars[i])
                    return; /* [M]M */
                if (start + index == 8 && '3' < chars[i])
                    return; /* [D]D */
                index++;
            }
            String newText = buffer.toString();
            int length = newText.length();
            StringBuffer date = new StringBuffer(text.getText());
            date.replace(e.start, e.start + length, newText);
            calendar.set(Calendar.YEAR, 1901);
            calendar.set(Calendar.MONTH, Calendar.JANUARY);
            calendar.set(Calendar.DATE, 1);
            String yyyy = date.substring(0, 4);
            if (yyyy.indexOf('Y') == -1) {
                int year = Integer.parseInt(yyyy);
                calendar.set(Calendar.YEAR, year);
            }
            String mm = date.substring(5, 7);
            if (mm.indexOf('M') == -1) {
                int month = Integer.parseInt(mm) - 1;
                int maxMonth = calendar.getActualMaximum(Calendar.MONTH);
                if (0 > month || month > maxMonth)
                    return;
                calendar.set(Calendar.MONTH, month);
            }
            String dd = date.substring(8, 10);
            if (dd.indexOf('D') == -1) {
                int day = Integer.parseInt(dd);
                int maxDay = calendar.getActualMaximum(Calendar.DATE);
                if (1 > day || day > maxDay)
                    return;
                calendar.set(Calendar.DATE, day);
            } else {
                if (calendar.get(Calendar.MONTH) == Calendar.FEBRUARY) {
                    char firstChar = date.charAt(8);
                    if (firstChar != 'D' && '2' < firstChar)
                        return;
                }
            }
            text.setSelection(e.start, e.start + length);
            ignore = true;
            text.insert(newText);
            ignore = false;
        }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:Main.java

public static String getMonthString(int month) {
    switch (month) {
    case Calendar.JANUARY:
        return "Jan";
    case Calendar.FEBRUARY:
        return "Feb";
    case Calendar.MARCH:
        return "Mar";
    case Calendar.APRIL:
        return "Apr";
    case Calendar.MAY:
        return "May";
    case Calendar.JUNE:
        return "Jun";
    case Calendar.JULY:
        return "Jul";
    case Calendar.AUGUST:
        return "Aug";
    case Calendar.SEPTEMBER:
        return "Sep";
    case Calendar.OCTOBER:
        return "Oct";
    case Calendar.NOVEMBER:
        return "Nov";
    case Calendar.DECEMBER:
        return "Dec";
    default://from  www .  j  a  v  a  2 s  . c  o  m
        return "";
    }
}

From source file:Main.java

public static long getLocalToUtcDelta() {
    Calendar local = Calendar.getInstance();
    local.clear();// ww w  .  j a v a2 s  .  c  o  m
    local.set(1970, Calendar.JANUARY, 1, 0, 0, 0);
    return local.getTimeInMillis();
}

From source file:Util.java

public static Date getSunday(Date today) {
    Calendar cal = Calendar.getInstance();

    cal.setTime(today);//ww  w .ja v  a  2  s. c  o  m

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

    while (dow != Calendar.SUNDAY) {
        int date = cal.get(Calendar.DATE);

        int month = cal.get(Calendar.MONTH);

        int year = cal.get(Calendar.YEAR);

        if (date == getMonthLastDate(month, year)) {

            if (month == Calendar.DECEMBER) {
                month = Calendar.JANUARY;

                cal.set(Calendar.YEAR, year + 1);
            } else {
                month++;
            }

            cal.set(Calendar.MONTH, month);

            date = 1;
        } else {
            date++;
        }

        cal.set(Calendar.DATE, date);

        dow = cal.get(Calendar.DAY_OF_WEEK);
    }

    return cal.getTime();
}