Example usage for java.lang Integer Integer

Introduction

In this page you can find the example usage for java.lang Integer Integer.

Prototype

@Deprecated(since = "9")
public Integer(String s) throws NumberFormatException 

Source Link

Document

Constructs a newly allocated Integer object that represents the int value indicated by the String parameter.

Usage

From source file:Main.java

public static void main(String[] args) {
    int SIZE = 8;
    Comparable[] a = new Integer[SIZE];
    for (int i = 0; i < SIZE; i++)
        a[i] = new Integer(i * 2);

    for (int i = 0; i < SIZE * 2; i++)
        System.out.println("Found " + i + " at " + binarySearch(a, new Integer(i)));
}

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From source file:GetMethodExample.java

public static void main(String args[]) {

    HttpClient client = new HttpClient();
    client.getParams().setParameter("http.useragent", "Test Client");
    client.getParams().setParameter("http.connection.timeout", new Integer(5000));

    GetMethod method = new GetMethod();
    FileOutputStream fos = null;//from w w w .j a  va  2s  .  c om

    try {

        method.setURI(new URI("http://www.google.com", true));
        int returnCode = client.executeMethod(method);

        if (returnCode != HttpStatus.SC_OK) {
            System.err.println("Unable to fetch default page, status code: " + returnCode);
        }

        System.err.println(method.getResponseBodyAsString());

        method.setURI(new URI("http://www.google.com/images/logo.gif", true));
        returnCode = client.executeMethod(method);

        if (returnCode != HttpStatus.SC_OK) {
            System.err.println("Unable to fetch image, status code: " + returnCode);
        }

        byte[] imageData = method.getResponseBody();
        fos = new FileOutputStream(new File("google.gif"));
        fos.write(imageData);

        HostConfiguration hostConfig = new HostConfiguration();
        hostConfig.setHost("www.yahoo.com", null, 80, Protocol.getProtocol("http"));

        method.setURI(new URI("/", true));

        client.executeMethod(hostConfig, method);

        System.err.println(method.getResponseBodyAsString());

    } catch (HttpException he) {
        System.err.println(he);
    } catch (IOException ie) {
        System.err.println(ie);
    } finally {
        method.releaseConnection();
        if (fos != null)
            try {
                fos.close();
            } catch (Exception fe) {
            }
    }

}

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From source file:MainClass.java

public static void main(String args[]) {
    Runtime r = Runtime.getRuntime();
    long mem1, mem2;
    Integer someints[] = new Integer[10000];

    System.out.println("Total memory is: " + r.totalMemory());

    mem1 = r.freeMemory();/*from   w  w w.  jav  a2  s.  co  m*/
    System.out.println("Initial free memory: " + mem1);
    r.gc();
    mem1 = r.freeMemory();
    System.out.println("Free memory after garbage collection: " + mem1);

    for (int i = 0; i < someints.length; i++)
        someints[i] = new Integer(i); // allocate integers

    mem2 = r.freeMemory();
    System.out.println("Free memory after allocation: " + mem2);
    System.out.println("Memory used by allocation: " + (mem1 - mem2));

    for (int i = 0; i < someints.length; i++)
        someints[i] = null;

    r.gc(); // request garbage collection

    mem2 = r.freeMemory();
    System.out.println("Free memory after collecting" + " discarded Integers: " + mem2);

}

---

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Box form = Box.createVerticalBox();
    form.add(new JLabel("Name:"));
    form.add(new JTextField("User Name"));

    form.add(new JLabel("Birthday:"));
    JFormattedTextField birthdayField = new JFormattedTextField(new SimpleDateFormat("MM/dd/yy"));
    birthdayField.setValue(new Date());
    form.add(birthdayField);/* w  w  w  . j  a  v  a2s. co m*/

    form.add(new JLabel("Age:"));
    form.add(new JFormattedTextField(new Integer(32)));

    form.add(new JLabel("Hairs on Body:"));
    JFormattedTextField hairsField = new JFormattedTextField(new DecimalFormat("###,###"));
    hairsField.setValue(new Integer(100000));
    form.add(hairsField);

    form.add(new JLabel("Phone Number:"));
    JFormattedTextField phoneField = new JFormattedTextField(new MaskFormatter("(###)###-####"));
    phoneField.setValue("(314)888-1234");
    form.add(phoneField);

    JFrame frame = new JFrame("User Information");
    frame.getContentPane().add(form);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    StyleContext sc = new StyleContext();
    final DefaultStyledDocument doc = new DefaultStyledDocument(sc);
    JTextPane pane = new JTextPane(doc);

    final Style heading2Style = sc.addStyle("Heading2", null);
    heading2Style.addAttribute(StyleConstants.Foreground, Color.red);
    heading2Style.addAttribute(StyleConstants.FontSize, new Integer(16));
    heading2Style.addAttribute(StyleConstants.FontFamily, "serif");
    heading2Style.addAttribute(StyleConstants.Bold, new Boolean(true));

    try {/*from  ww  w.  j  a v a 2  s .  co m*/
        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                try {
                    doc.insertString(0, text, null);

                    doc.setParagraphAttributes(0, 1, heading2Style, false);
                } catch (BadLocationException e) {
                }
            }
        });
    } catch (Exception e) {
        System.out.println("Exception when constructing document: " + e);
        System.exit(1);
    }

    f.getContentPane().add(new JScrollPane(pane));
    f.setSize(400, 300);
    f.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    JPanel gui = new JPanel(new BorderLayout(2, 3));

    JPanel buttonConstrsint = new JPanel(new FlowLayout(FlowLayout.CENTER));
    JButton getQuotesButton = new JButton("Load");
    buttonConstrsint.add(getQuotesButton);
    gui.add(buttonConstrsint, BorderLayout.NORTH);

    getQuotesButton.addActionListener(e -> {
        String[] columnNames = { "First Name", "Last Name", "Sport", "# of Years", "Vegetarian" };

        Object[][] data = { { "A", "B", "Snowboarding", new Integer(5), new Boolean(false) },
                { "C", "D", "Pool", new Integer(10), new Boolean(false) } };

        JTable table = new JTable(data, columnNames);

        JScrollPane scrollPane = new JScrollPane(table);
        table.setFillsViewportHeight(true);

        gui.add(scrollPane, BorderLayout.CENTER);
        gui.revalidate();/*from w  ww .ja va  2  s .  c  om*/
        gui.repaint();
    });

    JOptionPane jOptionPane = new JOptionPane(gui);

    JDialog dialog = jOptionPane.createDialog(new JFrame(), "title");
    dialog.setSize(200, 200);
    dialog.setVisible(true);
}

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From source file:Randomizer.java

public static void main(String args[]) {
    Integer arr[] = new Integer[20];
    for (int i = 0; i < 20; i++) {
        arr[i] = new Integer(i);
    }//  www.  ja v  a  2s  . co  m
    for (int i = 0; i < 5; i++) {
        System.out.println("");
        generatePermutationOnArray(arr);

    }
}

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From source file:Main.java

static public void main(String args[]) throws Exception {
    URL myurl[] = { new URL("file:///C:/CH3/ClassLoader/web/"), new URL("http://www.java2s.edu/~xyx/test/") };
    URLClassLoader x = new URLClassLoader(myurl);
    Class c = x.loadClass("TestURL");

    Class getArg1[] = { (new String[1]).getClass() };
    Method m = c.getMethod("main", getArg1);
    String[] my1 = { "arg1 passed", "arg2 passed" };
    Object myarg1[] = { my1 };/*from w w  w.j a v  a  2s  . c  om*/
    m.invoke(null, myarg1);

    Object ob = c.newInstance();
    Class arg2[] = {};
    Method m2 = c.getMethod("tt", arg2);
    m2.invoke(ob, null);

    Class arg3[] = { (new String()).getClass(), int.class };
    Method m3 = c.getMethod("tt", arg3);
    Object myarg2[] = { "Arg1", new Integer(100) };
    m3.invoke(ob, myarg2);
}

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From source file:TestRedundantObjectPool.java

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

   SoftReferenceObjectPool pool =/*  w w  w.j  a  v a  2  s . co m*/
     new SoftReferenceObjectPool(new EmployeeFactory(), 5);

   try{

      System.err.println("Number of employees in pool: " + pool.getNumIdle());

      Employee employee = (Employee)pool.borrowObject();

      System.err.println("Borrowed Employee: " + employee);

      employee.doWork();

      pool.returnObject(employee);

      // employee = null;

      HashMap map = new HashMap();

      System.err.println("Running memory intensive operation");
      for(int i = 0; i < 1000000; i++) {
         map.put(new Integer(i), new String("Fred Flintstone" + i));
      }

   }catch(OutOfMemoryError e) {
      System.err.println("Borrowed employee after OutOfMemory: " +
        pool.borrowObject());
      System.err.println("Error: "  + e);
   }
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    BeanInfo bi = Introspector.getBeanInfo(BeanToXmlTransient.class);
    PropertyDescriptor[] pds = bi.getPropertyDescriptors();
    for (int i = 0; i < pds.length; i++) {
        PropertyDescriptor propertyDescriptor = pds[i];
        if (propertyDescriptor.getName().equals("itemQuantities")) {
            propertyDescriptor.setValue("transient", Boolean.TRUE);
        }/*from   w  w  w  . j a va  2s .c o  m*/
    }
    BeanToXmlTransient bean = new BeanToXmlTransient();
    bean.setId(new Long(1));
    bean.setItemName("Item");
    bean.setItemColour("Red");
    bean.setItemQuantities(new Integer(100));

    XMLEncoder encoder = new XMLEncoder(new BufferedOutputStream(new FileOutputStream("BeanTransient.xml")));

    encoder.writeObject(bean);
    encoder.close();

}

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