Example usage for java.lang Object getClass

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:Main.java

public static void main(String[] args) throws JAXBException {
    JAXBContext jc = JAXBContext.newInstance(Home.class, Person.class, Animal.class);

    Unmarshaller unmarshaller = jc.createUnmarshaller();
    StreamSource xml = new StreamSource("input.xml");
    Home home = unmarshaller.unmarshal(xml, Home.class).getValue();

    for (Object object : home.any) {
        System.out.println(object.getClass());
    }/*from  ww w.  j a  va2 s .co  m*/
}

From source file:AllFieldsSnippet.java

public static void main(String[] args) {
    Object obj = new Object();
    //start extract AllFieldsSnippet

    Class cls = obj.getClass();
    List accum = new LinkedList();
    while (cls != null) {
        Field[] f = cls.getDeclaredFields();
        for (int i = 0; i < f.length; i++) {
            accum.add(f[i]);/* w w  w .  j a v  a2  s  . c o m*/
        }
        cls = cls.getSuperclass();
    }
    Field[] allFields = (Field[]) accum.toArray(new Field[accum.size()]);
    //stop extract AllFieldsSnippet
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Object clazz = new TestClass();
    String lookingForValue = "firstValue";

    Field field = clazz.getClass().getField(lookingForValue);
    Class clazzType = field.getType();
    if (clazzType.toString().equals("double"))
        System.out.println(field.getDouble(clazz));
    else if (clazzType.toString().equals("int"))
        System.out.println(field.getInt(clazz));

    //System.out.println(field.get(clazz));
}

From source file:FormattedSample.java

public static void main(final String args[]) {
    JFrame frame = new JFrame("Formatted Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    DateFormat displayFormat = new SimpleDateFormat("yyyy--MMMM--dd");
    DateFormatter displayFormatter = new DateFormatter(displayFormat);
    DateFormat editFormat = new SimpleDateFormat("MM/dd/yy");
    DateFormatter editFormatter = new DateFormatter(editFormat);
    DefaultFormatterFactory factory = new DefaultFormatterFactory(displayFormatter, displayFormatter,
            editFormatter);/*from  ww w. j  a va  2  s . c o  m*/
    JFormattedTextField date2TextField = new JFormattedTextField(factory, new Date());
    frame.add(date2TextField, BorderLayout.NORTH);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            JFormattedTextField source = (JFormattedTextField) actionEvent.getSource();
            Object value = source.getValue();
            System.out.println("Class: " + value.getClass());
            System.out.println("Value: " + value);
        }
    };
    date2TextField.addActionListener(actionListener);

    frame.add(new JTextField(), BorderLayout.SOUTH);
    frame.setSize(250, 100);
    frame.setVisible(true);
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    JFrame frame = new JFrame("Formatted Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    DateFormat displayFormat = new SimpleDateFormat("yyyy--MMMM--dd");
    DateFormatter displayFormatter = new DateFormatter(displayFormat);
    DateFormat editFormat = new SimpleDateFormat("MM/dd/yy");
    DateFormatter editFormatter = new DateFormatter(editFormat);
    DefaultFormatterFactory factory = new DefaultFormatterFactory(displayFormatter, displayFormatter,
            editFormatter);//from ww w  .  j a  va2 s.  c o  m
    JFormattedTextField date2TextField = new JFormattedTextField(factory, new Date());
    frame.add(date2TextField, BorderLayout.NORTH);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            JFormattedTextField source = (JFormattedTextField) actionEvent.getSource();
            Object value = source.getValue();
            System.out.println("Class: " + value.getClass());
            System.out.println("Value: " + value);
        }
    };
    date2TextField.addActionListener(actionListener);
    frame.add(new JTextField(), BorderLayout.SOUTH);

    frame.setSize(250, 100);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    OutputStream fos = new BufferedOutputStream(new FileOutputStream("filename.ps"));
    DocFlavor flavor = DocFlavor.INPUT_STREAM.GIF;
    StreamPrintServiceFactory[] factories = StreamPrintServiceFactory.lookupStreamPrintServiceFactories(flavor,
            DocFlavor.BYTE_ARRAY.POSTSCRIPT.getMimeType());

    StreamPrintService service = factories[0].getPrintService(fos);
    Class[] cats = service.getSupportedAttributeCategories();
    for (int j = 0; j < cats.length; j++) {
        Attribute attr = (Attribute) service.getDefaultAttributeValue(cats[j]);

        if (attr != null) {
            String attrName = attr.getName();
            String attrValue = attr.toString();

            Object o = service.getSupportedAttributeValues(attr.getCategory(), null, null);
            if (o.getClass().isArray()) {
                for (int k = 0; k < Array.getLength(o); k++) {
                    Object o2 = Array.get(o, k);
                    System.out.println(o2);
                }/* ww  w.j av  a 2  s .  c o m*/
            }
        }
    }
}

From source file:com.everm.propertydescriptor.App.java

/**
 * @param args//from w ww .j  a va 2 s. com
 */
public static void main(String[] args) {
    try {
        Object bean = new App();
        PropertyDescriptor[] pds = PropertyUtils.getPropertyDescriptors(bean);
        Class beanClass = bean.getClass();
        for (int i = 0; i < pds.length; i++) {
            String key = pds[i].getName();
            Class type = pds[i].getPropertyType();
            if (pds[i].getReadMethod() != null) {
                Object value = PropertyUtils.getProperty(bean, key);
            } else {
                String warning = "Property '" + key + "' has no read method. SKIPPED";
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:A.java

public static void main(String[] args) {

    Main cls = new Main();
    Class c = cls.getClass();//w ww  .  ja  v  a  2 s . c  o m
    System.out.println(c);

    Object obj = new A();
    B b1 = new B();
    b1.show();

    // casts object
    Object a = A.class.cast(b1);

    System.out.println(obj.getClass());
    System.out.println(b1.getClass());
    System.out.println(a.getClass());
}

From source file:Main.java

public static void main(String[] argv) {
    DefaultTableModel model = new DefaultTableModel() {
        public Class getColumnClass(int columnIndex) {
            Object o = getValueAt(0, columnIndex);
            if (o == null) {
                return Object.class;
            } else {
                return o.getClass();
            }/* w w  w. ja v  a  2 s .co  m*/
        }
    };
    JTable table = new JTable(model);

    model.addColumn("Boolean", new Object[] { Boolean.TRUE });
    model.addColumn("Date", new Object[] { new Date() });
    model.addColumn("Double", new Object[] { new Double(Math.PI) });
    model.addColumn("Float", new Object[] { new Float(1.2) });
    model.addColumn("Icon", new Object[] { new ImageIcon("icon.gif") });
    model.addColumn("Number", new Object[] { new Integer(1) });
    model.addColumn("Object", new Object[] { "object" });

    JFrame f = new JFrame();
    f.setSize(300, 300);
    f.add(new JScrollPane(table));
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    OutputStream fos = new BufferedOutputStream(new FileOutputStream("filename.ps"));
    DocFlavor flavor = DocFlavor.INPUT_STREAM.GIF;
    StreamPrintServiceFactory[] factories = StreamPrintServiceFactory.lookupStreamPrintServiceFactories(flavor,
            DocFlavor.BYTE_ARRAY.POSTSCRIPT.getMimeType());

    StreamPrintService service = factories[0].getPrintService(fos);
    Class category = OrientationRequested.class;
    Object o = service.getSupportedAttributeValues(category, null, null);
    if (o == null) {
        System.out.println("Attribute is not supported");
    } else if (o.getClass() == category) {
        System.out.println("irrelevant");
    } else if (o.getClass().isArray()) {
        System.out.println("array");
        for (int i = 0; i < Array.getLength(o); i++) {
            Object v = Array.get(o, i);
            System.out.println(v);
        }//w ww.  j  av  a 2s  .c  om
    }
}