Example usage for java.util Enumeration hasMoreElements

Introduction

In this page you can find the example usage for java.util Enumeration hasMoreElements.

Prototype

boolean hasMoreElements();

Source Link

Document

Tests if this enumeration contains more elements.

Usage

From source file:Main.java

public static void main(String[] args) {
    JTree tree = new JTree();
    Enumeration en = ((DefaultMutableTreeNode) tree.getModel().getRoot()).preorderEnumeration();
    while (en.hasMoreElements()) {
        TreePath path = new TreePath(((DefaultMutableTreeNode) en.nextElement()).getPath());
        String text = path.toString();
        System.out.println(text);
    }//w w w . j a v a 2s . c o  m
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
    while (en.hasMoreElements()) {
        NetworkInterface ni = en.nextElement();
        printParameter(ni);//w  w w  .  j  a  va2s .c om
    }
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {
    URLName server = new URLName("protocol://username@host/foldername");

    Session session = Session.getDefaultInstance(new Properties(), new MailAuthenticator());

    Folder folder = session.getFolder(server);
    if (folder != null) {
        folder.open(Folder.READ_ONLY);/*from  w  ww .  j a va2 s . c  o m*/

        Message[] messages = folder.getMessages();
        for (int i = 0; i < messages.length; i++) {
            System.out.println((i + 1));
            Enumeration headers = messages[i].getAllHeaders();
            while (headers.hasMoreElements()) {
                Header h = (Header) headers.nextElement();
                System.out.println(h.getName() + ": " + h.getValue());
            }
        }
        folder.close(false);
    }
}

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From source file:NetworkParameterDemo.java

public static void main(String[] args) throws Exception {
    Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
    while (en.hasMoreElements()) {
        NetworkInterface ni = en.nextElement();
        printParameter(ni);/*from w w  w  .j av  a2 s .c om*/

    }
}

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From source file:FindingAButtonGroup.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Button Group");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new GridLayout(0, 1));
    Border border = BorderFactory.createTitledBorder("Examples");
    panel.setBorder(border);/*from  w  w  w. jav  a  2s  . c o  m*/
    ButtonGroup group = new ButtonGroup();
    AbstractButton abstract1 = new JToggleButton("Toggle Button");
    panel.add(abstract1);
    group.add(abstract1);
    AbstractButton abstract2 = new JRadioButton("Radio Button");
    panel.add(abstract2);
    group.add(abstract2);
    AbstractButton abstract3 = new JCheckBox("Check Box");
    panel.add(abstract3);
    group.add(abstract3);
    AbstractButton abstract4 = new JRadioButtonMenuItem("Radio Button Menu Item");
    panel.add(abstract4);
    group.add(abstract4);
    AbstractButton abstract5 = new JCheckBoxMenuItem("Check Box Menu Item");
    panel.add(abstract5);
    group.add(abstract5);
    frame.add(panel, BorderLayout.CENTER);
    frame.setSize(300, 200);
    frame.setVisible(true);
    group.setSelected(abstract1.getModel(), true);
    Enumeration elements = group.getElements();
    while (elements.hasMoreElements()) {
        AbstractButton button = (AbstractButton) elements.nextElement();
        if (button.isSelected()) {
            System.out.println("The winner is: " + button.getText());
        }
    }
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    ZipFile zf = new ZipFile("ziptest.zip");

    // Get the enumeration for all zip entries and loop through them
    Enumeration<? extends ZipEntry> e = zf.entries();
    ZipEntry entry = null;/*  w  ww.ja v a  2s  .  com*/

    while (e.hasMoreElements()) {
        entry = e.nextElement();

        // Get the input stream for the current zip entry
        InputStream is = zf.getInputStream(entry);

        /* Read data for the entry using the is object */

        // Print the name of the entry
        System.out.println(entry.getName());
    }

}

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From source file:HashtableDemo.java

public static void main(String[] argv) {

    // Construct and load the hash. This simulates loading a
    // database or reading from a file, or wherever the data is.

    Hashtable h = new Hashtable();

    // The hash maps from company name to address.
    // In real life this might map to an Address object...
    h.put("Adobe", "Mountain View, CA");
    h.put("IBM", "White Plains, NY");
    h.put("Learning Tree", "Los Angeles, CA");
    h.put("Microsoft", "Redmond, WA");
    h.put("Netscape", "Mountain View, CA");
    h.put("O'Reilly", "Sebastopol, CA");
    h.put("Sun", "Mountain View, CA");

    // Two versions of the "retrieval" phase.
    // Version 1: get one pair's value given its key
    // (presumably the key would really come from user input):
    String queryString = "O'Reilly";
    System.out.println("You asked about " + queryString + ".");
    String resultString = (String) h.get(queryString);
    System.out.println("They are located in: " + resultString);
    System.out.println();//  w  w w  .  j  a v  a  2 s . co  m

    // Version 2: get ALL the keys and pairs
    // (maybe to print a report, or to save to disk)
    Enumeration k = h.keys();
    while (k.hasMoreElements()) {
        String key = (String) k.nextElement();
        System.out.println("Key " + key + "; Value " + (String) h.get(key));
    }
}

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From source file:SettingSelectedAButtonGroup.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Button Group");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new GridLayout(0, 1));
    Border border = BorderFactory.createTitledBorder("Examples");
    panel.setBorder(border);//from ww w. j  a v  a2 s. c  o m
    ButtonGroup group = new ButtonGroup();
    AbstractButton abstract1 = new JToggleButton("Toggle Button");
    panel.add(abstract1);
    group.add(abstract1);

    AbstractButton abstract2 = new JRadioButton("Radio Button");
    panel.add(abstract2);
    group.add(abstract2);

    AbstractButton abstract3 = new JCheckBox("Check Box");
    panel.add(abstract3);
    group.add(abstract3);

    AbstractButton abstract4 = new JRadioButtonMenuItem("Radio Button Menu Item");
    panel.add(abstract4);
    group.add(abstract4);

    AbstractButton abstract5 = new JCheckBoxMenuItem("Check Box Menu Item");
    panel.add(abstract5);
    group.add(abstract5);
    frame.add(panel, BorderLayout.CENTER);
    frame.setSize(300, 200);
    frame.setVisible(true);
    group.setSelected(abstract1.getModel(), true);

    Enumeration elements = group.getElements();
    while (elements.hasMoreElements()) {
        AbstractButton button = (AbstractButton) elements.nextElement();
        if (button.isSelected()) {
            System.out.println("The winner is: " + button.getText());
        }
    }
}

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From source file:ZipCompress.java

public static void main(String[] args) throws IOException {
    FileOutputStream f = new FileOutputStream("test.zip");
    CheckedOutputStream csum = new CheckedOutputStream(f, new Adler32());
    ZipOutputStream zos = new ZipOutputStream(csum);
    BufferedOutputStream out = new BufferedOutputStream(zos);
    zos.setComment("A test of Java Zipping");
    // No corresponding getComment(), though.
    for (int i = 0; i < args.length; i++) {
        System.out.println("Writing file " + args[i]);
        BufferedReader in = new BufferedReader(new FileReader(args[i]));
        zos.putNextEntry(new ZipEntry(args[i]));
        int c;// ww  w  . j  a v a2 s.com
        while ((c = in.read()) != -1)
            out.write(c);
        in.close();
    }
    out.close();
    // Checksum valid only after the file has been closed!
    System.out.println("Checksum: " + csum.getChecksum().getValue());
    // Now extract the files:
    System.out.println("Reading file");
    FileInputStream fi = new FileInputStream("test.zip");
    CheckedInputStream csumi = new CheckedInputStream(fi, new Adler32());
    ZipInputStream in2 = new ZipInputStream(csumi);
    BufferedInputStream bis = new BufferedInputStream(in2);
    ZipEntry ze;
    while ((ze = in2.getNextEntry()) != null) {
        System.out.println("Reading file " + ze);
        int x;
        while ((x = bis.read()) != -1)
            System.out.write(x);
    }
    System.out.println("Checksum: " + csumi.getChecksum().getValue());
    bis.close();
    // Alternative way to open and read zip files:
    ZipFile zf = new ZipFile("test.zip");
    Enumeration e = zf.entries();
    while (e.hasMoreElements()) {
        ZipEntry ze2 = (ZipEntry) e.nextElement();
        System.out.println("File: " + ze2);
        // ... and extract the data as before
    }
}

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From source file:ASelectedButton.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Radio Buttons");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new GridLayout(0, 1));
    Border border = BorderFactory.createTitledBorder("Options");
    panel.setBorder(border);//from w  w  w. j  a  v  a  2  s.co m
    final ButtonGroup group = new ButtonGroup();
    AbstractButton abstract1 = new JRadioButton("One");
    panel.add(abstract1);
    group.add(abstract1);
    AbstractButton abstract2 = new JRadioButton("Two");
    panel.add(abstract2);
    group.add(abstract2);
    AbstractButton abstract3 = new JRadioButton("Three");
    panel.add(abstract3);
    group.add(abstract3);
    AbstractButton abstract4 = new JRadioButton("Four");
    panel.add(abstract4);
    group.add(abstract4);
    AbstractButton abstract5 = new JRadioButton("Five");
    panel.add(abstract5);
    group.add(abstract5);
    ActionListener aListener = new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            Enumeration elements = group.getElements();
            while (elements.hasMoreElements()) {
                AbstractButton button = (AbstractButton) elements.nextElement();
                if (button.isSelected()) {
                    System.out.println("The winner is: " + button.getText());
                    break;
                }
            }
            group.setSelected(null, true);
        }
    };
    JToggleButton button = new JToggleButton("Show Selected");
    button.addActionListener(aListener);
    Container container = frame.getContentPane();
    container.add(panel, BorderLayout.CENTER);
    container.add(button, BorderLayout.SOUTH);
    frame.setSize(300, 200);
    frame.setVisible(true);
}

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