Example usage for java.util Calendar getInstance

Introduction

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

Prototype

public static Calendar getInstance() 

Source Link

Document

Gets a calendar using the default time zone and locale.

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 www .ja 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);

}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    SimpleDateFormat sdf = new SimpleDateFormat("EEE MMM dd HH:mm:ss yyy");
    Date date1 = sdf.parse("Thu Oct 03 07:47:22 2015");
    Date date2 = sdf.parse("Mon Jul 05 08:47:22 2015");

    System.out.println(sdf.format(date1));
    System.out.println(sdf.format(date2));

    Calendar cal1 = Calendar.getInstance();
    Calendar cal2 = Calendar.getInstance();
    cal1.setTime(date1);//from  w ww .j a  v a  2  s  . c o  m
    cal2.setTime(date2);

    if (cal1.after(cal2)) {
        System.out.println("Date1 is after Date2");
    }

    if (cal1.before(cal2)) {
        System.out.println("Date1 is before Date2");
    }

    if (cal1.equals(cal2)) {
        System.out.println("Date1 is equal Date2");
    }
}

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From source file:Main.java

public static void main(String[] args) {
    Calendar someTime = Calendar.getInstance();
    someTime.set(Calendar.HOUR_OF_DAY, 17);
    someTime.set(Calendar.MINUTE, 0);
    someTime.set(Calendar.SECOND, 0);

    // convert it to java epoch date
    Date someDate = toEpochDate(someTime);

    // create a date object from java.sql.Time
    Date fromSqlTime = new Date(Time.valueOf("17:00:00").getTime());

    // now do the comparison
    System.out.println("Some Date: " + someDate.toString());
    System.out.println("Sql Time: " + fromSqlTime.toString());
    System.out.println("Are they equal? " + someDate.equals(fromSqlTime));
}

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From source file:Main.java

public static void main(String[] args) {
    String input = "2014-05-04 09:10:40.321";

    // Prepare the pattern
    String pattern = "yyyy-MM-dd HH:mm:ss.SSS";

    SimpleDateFormat sdf = new SimpleDateFormat(pattern);

    // Parse the text into a Date object
    Date dt = sdf.parse(input, new ParsePosition(0));
    System.out.println(dt);/*from w ww  . j  av a  2 s .c om*/

    // Get the Calendar instance
    Calendar cal = Calendar.getInstance();
    cal.setTime(dt);

    // Print time parts
    System.out.println("Hour:" + cal.get(Calendar.HOUR));
    System.out.println("Minute:" + cal.get(Calendar.MINUTE));
    System.out.println("Second:" + cal.get(Calendar.SECOND));
    System.out.println("Millisecond:" + cal.get(Calendar.MILLISECOND));

}

---

From source file:Main.java

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

    ObjectOutputStream out = new ObjectOutputStream(
            new BufferedOutputStream(new FileOutputStream("file.data")));

    out.writeObject(Calendar.getInstance());
    out.writeObject(new BigDecimal("123.123"));
    out.writeInt(1);//w  ww .ja  va2s.c o  m
    out.writeUTF("tutorial");
    out.close();

    ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(new FileInputStream("file.data")));

    BigDecimal price;
    int unit;
    String desc;

    Calendar date = (Calendar) in.readObject();
    System.out.println(date);

    price = (BigDecimal) in.readObject();
    unit = in.readInt();
    desc = in.readUTF();
    System.out.println(unit);
    System.out.println(desc);
    System.out.println(price);
    in.close();
}

---

From source file:EventObject.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    JButton ok = new JButton("Ok");

    ok.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            Calendar cal = Calendar.getInstance();
            cal.setTimeInMillis(event.getWhen());
            Locale locale = Locale.getDefault();
            String s = DateFormat.getTimeInstance(DateFormat.SHORT, locale).format(new Date());

            if (event.getID() == ActionEvent.ACTION_PERFORMED)
                System.out.println(" Event Id: ACTION_PERFORMED");

            System.out.println(" Time: " + s);

            String source = event.getSource().getClass().getName();
            System.out.println(" Source: " + source);

            int mod = event.getModifiers();
            if ((mod & ActionEvent.ALT_MASK) > 0)
                System.out.println("Alt ");

            if ((mod & ActionEvent.SHIFT_MASK) > 0)
                System.out.println("Shift ");

            if ((mod & ActionEvent.META_MASK) > 0)
                System.out.println("Meta ");

            if ((mod & ActionEvent.CTRL_MASK) > 0)
                System.out.println("Ctrl ");

        }// w  w w.j  a  va  2 s .c  om
    });

    f.add(ok);

    f.setSize(420, 250);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

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From source file:Test.java

public static void main(String[] args) throws Exception {
    Path path = Paths.get("C:/home/docs/users.txt");
    BasicFileAttributeView view = Files.getFileAttributeView(path, BasicFileAttributeView.class);

    BasicFileAttributes attributes = view.readAttributes();
    FileTime lastModifedTime = attributes.lastModifiedTime();
    FileTime createTime = attributes.creationTime();

    long currentTime = Calendar.getInstance().getTimeInMillis();
    FileTime lastAccessTime = FileTime.fromMillis(currentTime);

    view.setTimes(lastModifedTime, lastAccessTime, createTime);
    System.out.println(attributes.lastAccessTime());
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    File f = new File("name.txt");

    if (!f.exists()) {
        System.out.println("File not found.");
        return;/*w w  w .  j av a 2  s .c o m*/
    }
    if (f.canRead())
        System.out.println("  Readable");
    else
        System.out.println("  Not Readable");

    if (f.canWrite())
        System.out.println("  Writable");
    else
        System.out.println("  Not Writable");
    System.out.println("  Last modified on " + new Date(f.lastModified()));

    long t = Calendar.getInstance().getTimeInMillis();
    if (!f.setLastModified(t))
        System.out.println("Can't set time.");

    if (!f.setReadOnly())
        System.out.println("Can't set to read-only.");

    if (f.canRead())
        System.out.println("  Readable");
    else
        System.out.println("  Not Readable");

    if (f.canWrite())
        System.out.println("  Writable");
    else
        System.out.println("  Not Writable");
    System.out.println("  Last modified on " + new Date(f.lastModified()));

    if (!f.setWritable(true, false))
        System.out.println("Can't return to read/write.");

    if (f.canRead())
        System.out.println("  Readable");
    else
        System.out.println("  Not Readable");

    if (f.canWrite())
        System.out.println("  Writable");
    else
        System.out.println("  Not Writable");
}

---

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    X509CertSelector selec = new X509CertSelector();
    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    FileInputStream in = new FileInputStream(args[0]);
    Certificate c = cf.generateCertificate(in);
    System.out.println(selec.match(c));
    selec.setIssuer("CN=Peter,OU=Network Center," + "O=University,L=ZB,ST=Vancouver,C=CN");

    System.out.println(selec.match(c));

    Calendar cld = Calendar.getInstance();
    int year = Integer.parseInt(args[1]);
    int month = Integer.parseInt(args[2]) - 1;
    int day = Integer.parseInt(args[3]);
    cld.set(year, month, day);/*  w w  w .java  2s.com*/
    Date d = cld.getTime();
    selec.setCertificateValid(d);

    System.out.println(selec.match(c));
    BigInteger sn = new BigInteger("1039056963");
    selec.setSerialNumber(sn);

    System.out.println(selec.match(c));
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getConnection();
    Statement st = conn.createStatement();

    st.executeUpdate("create table survey (id int,myDate DATE );");
    String INSERT_RECORD = "insert into survey(id, myDate) values(?, ?)";

    PreparedStatement pstmt = conn.prepareStatement(INSERT_RECORD);
    pstmt.setString(1, "1");
    java.sql.Date sqlDate = new java.sql.Date(new java.util.Date().getTime());
    pstmt.setDate(2, sqlDate);/*from   w  w  w . j  a v a 2 s . c o  m*/

    pstmt.executeUpdate();

    ResultSet rs = st.executeQuery("SELECT * FROM survey");

    Calendar cal = Calendar.getInstance();

    // get the TimeZone for "America/Los_Angeles"
    TimeZone tz = TimeZone.getTimeZone("America/Los_Angeles");
    cal.setTimeZone(tz);

    while (rs.next()) {
        // the JDBC driver will use the time zone information in
        // Calendar to calculate the date, with the result that
        // the variable dateCreated contains a java.sql.Date object
        // that is accurate for "America/Los_Angeles".
        java.sql.Date dateCreated = rs.getDate(2, cal);
        System.out.println(dateCreated);
    }

    rs.close();
    st.close();
    conn.close();
}

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