Example usage for java.lang Object Object

Introduction

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

Prototype

@HotSpotIntrinsicCandidate
public Object()

Source Link

Document

Constructs a new object.

Usage

From source file:Main.java

public static void main(String[] args) {
    ReferenceQueue referenceQueue = new ReferenceQueue();
    Object object = new Object() {
        public String toString() {
            return "Referenced Object";
        }/*from   ww w  .  j a  va 2 s  . co m*/
    };

    Object data = new Object() {
        public String toString() {
            return "Data";
        }
    };

    HashMap map = new HashMap();
    Reference reference = null;
    System.out.println("Testing WeakReference.");
    reference = new WeakReference(object, referenceQueue);

    map.put(reference, data);

    System.out.println(reference.get());
    System.out.println(map.get(reference));
    System.out.println(reference.isEnqueued());

    System.gc();
    System.out.println(reference.get());
    System.out.println(map.get(reference));
    System.out.println(reference.isEnqueued());

    object = null;
    data = null;

    System.gc();
    System.out.println(reference.get());
    System.out.println(map.get(reference));
    System.out.println(reference.isEnqueued());
}

From source file:ThreadState.java

public static void main(String[] args) throws InterruptedException {
    Object syncObject = new Object();
    ThreadState ts = new ThreadState(syncObject);
    System.out.println("Before start()-ts.isAlive():" + ts.isAlive());
    System.out.println("#1:" + ts.getState());

    ts.start();//  w w w.j a v  a2  s .co  m
    System.out.println("After start()-ts.isAlive():" + ts.isAlive());
    System.out.println("#2:" + ts.getState());
    ts.setWait(true);

    Thread.currentThread().sleep(100);

    synchronized (syncObject) {
        System.out.println("#3:" + ts.getState());
        ts.setWait(false);
        syncObject.notifyAll();
    }

    Thread.currentThread().sleep(2000);
    System.out.println("#4:" + ts.getState());
    ts.setKeepRunning(false);

    Thread.currentThread().sleep(2000);
    System.out.println("#5:" + ts.getState());
    System.out.println("At the   end. ts.isAlive():" + ts.isAlive());
}

From source file:Main.java

public static void main(String[] args) {
    int maximum = 100;
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Integer[] oneRow = { 0, 0, 0, 0 };
    String[] headers = { "A", "B", "C", "D" };
    Integer[][] data = { oneRow, oneRow, oneRow, oneRow, oneRow, };
    DefaultTableModel model = new DefaultTableModel(data, headers);
    JTable table = new JTable(model);
    table.setDefaultRenderer(Object.class, new ProgressRenderer(0, maximum));
    table.setPreferredScrollableViewportSize(table.getPreferredSize());
    frame.add(new JScrollPane(table));
    frame.pack();/* ww  w.  j a  va2s.  com*/
    frame.setVisible(true);
    new Thread(new Runnable() {
        @Override
        public void run() {
            Object waiter = new Object();
            synchronized (waiter) {
                int rows = model.getRowCount();
                int columns = model.getColumnCount();
                Random random = new Random(System.currentTimeMillis());
                boolean done = false;
                while (!done) {
                    int row = random.nextInt(rows);
                    int column = random.nextInt(columns);
                    Integer value = (Integer) model.getValueAt(row, column);
                    value++;
                    if (value <= maximum) {
                        model.setValueAt(value, row, column);
                        try {
                            waiter.wait(15);
                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }
                    }
                    done = true;
                    for (row = 0; row < rows; row++) {
                        for (column = 0; column < columns; column++) {
                            if (!model.getValueAt(row, column).equals(maximum)) {
                                done = false;
                                break;
                            }
                        }
                        if (!done) {
                            break;
                        }
                    }
                }
            }
        }
    }).start();
}

From source file:EmbeddedBroker.java

public static void main(String[] args) throws Exception {
    BrokerService broker = new BrokerService();
    broker.setUseJmx(true);/*from  w  ww  .java2  s  .co  m*/
    broker.addConnector("tcp://localhost:61616");
    broker.start();

    // now lets wait forever to avoid the JVM terminating immediately
    Object lock = new Object();
    synchronized (lock) {
        lock.wait();
    }
}

From source file:com.anton.dev.tqrbs2.basic.BasicJava.java

public static void main(String[] args) throws Exception {
    ConnectionFactory cf = new CachingConnectionFactory();

    // set up the queue, exchange, binding on the broker
    RabbitAdmin admin = new RabbitAdmin(cf);
    Queue queue = new Queue("myQueue");
    admin.declareQueue(queue);// w  ww.  jav  a 2s .  c  om
    TopicExchange exchange = new TopicExchange("myExchange2");
    admin.declareExchange(exchange);
    admin.declareBinding(BindingBuilder.bind(queue).to(exchange).with("foo.*"));

    // set up the listener and container
    SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(cf);
    Object listener = new Object() {
        public void handleMessage(String foo) {
            LOGGER.info("Recibiendo Java: " + foo);
        }
    };
    MessageListenerAdapter adapter = new MessageListenerAdapter(listener);
    container.setMessageListener(adapter);
    container.setQueueNames("myQueue");
    container.start();

    // send something
    RabbitTemplate template = new RabbitTemplate(cf);
    String msg = "Hello, world Rabbit!";
    LOGGER.info("Enviando Java: " + msg);
    template.convertAndSend("myExchange2", "foo.bar", msg);
    Thread.sleep(1000);
    container.stop();
}

From source file:ThreadViewer.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    ThreadViewer viewer = new ThreadViewer();

    f.setContentPane(viewer);//from w ww  . ja v a  2  s  .c om
    f.setSize(500, 300);
    f.setVisible(true);

    f.setDefaultCloseOperation(1);

    // Keep the main thread from exiting by blocking
    // on wait() for a notification that never comes.
    Object lock = new Object();
    synchronized (lock) {
        try {
            lock.wait();
        } catch (InterruptedException x) {
        }
    }
}

From source file:PrintfStuff.java

public static void main(String[] args) throws IOException {
    char three[] = { 't', 'h', 'r', 'e', 'e' };
    System.out.printf("%b %n %c %n %s %n %s %n %d %n" + "%d %n %g %n %g %n %s %n", !false, '3',
            new String(three), "Three", 3, Long.MAX_VALUE, Math.PI, Double.MAX_VALUE, new Object());
}

From source file:blue.utility.ValuesUtility.java

public static void main(String args[]) {
    Object obj = new Object() {
        String val1 = "test";

        String val2 = "test2";

        String val3 = null;
    };//from   ww w. ja  v a2 s  .  c  o  m

    System.out.println(ToStringBuilder.reflectionToString(obj));

    ValuesUtility.checkNullString(obj, true);

    System.out.println(ToStringBuilder.reflectionToString(obj));
}

From source file:uk.co.jemos.experiments.integration.HelloWorldApp.java

public static void main(String[] args) {

    AbstractApplicationContext context = new ClassPathXmlApplicationContext(
            "/META-INF/spring/integration/helloWorldDemo.xml", HelloWorldApp.class);
    MessageChannel inputChannel = context.getBean("podamInputChannel", MessageChannel.class);

    Message<Object> intMessage = MessageBuilder.withPayload(new Object())
            .setHeader("type", int.class.toString()).build();
    Message<Object> boolMessage = MessageBuilder.withPayload(new Object())
            .setHeader("type", boolean.class.toString()).build();
    Message<Object> stringMessage = MessageBuilder.withPayload(new Object())
            .setHeader("type", String.class.getName()).build();

    MessagingTemplate template = new MessagingTemplate();
    Message reply = template.sendAndReceive(inputChannel, intMessage);
    logger.info(reply.getPayload());//from w w w .  j a v  a2  s .c  om
    reply = template.sendAndReceive(inputChannel, boolMessage);
    logger.info(reply.getPayload());
    reply = template.sendAndReceive(inputChannel, stringMessage);
    logger.info(reply.getPayload());

    context.close();

}

From source file:org.apache.jmeter.protocol.http.proxy.NonGuiProxySample.java

public static void main(String[] args) throws IllegalUserActionException, IOException {
    JMeterUtils.setJMeterHome("./"); // Or wherever you put it.
    JMeterUtils.loadJMeterProperties(JMeterUtils.getJMeterBinDir() + "/jmeter.properties");
    JMeterUtils.initLocale();//www .  ja v a  2 s  . co m

    TestPlan testPlan = new TestPlan();
    ThreadGroup threadGroup = new ThreadGroup();
    ListedHashTree testPlanTree = new ListedHashTree();
    testPlanTree.add(testPlan);
    testPlanTree.add(threadGroup, testPlan);

    JMeterTreeModel treeModel = new JMeterTreeModel(new Object());

    JMeterTreeNode root = (JMeterTreeNode) treeModel.getRoot();
    treeModel.addSubTree(testPlanTree, root);

    ProxyControl proxy = new ProxyControl();
    proxy.setNonGuiTreeModel(treeModel);
    proxy.setTarget(treeModel.getNodeOf(threadGroup));
    proxy.setPort(8282);

    treeModel.addComponent(proxy, (JMeterTreeNode) root.getChildAt(1));

    proxy.startProxy();
    HttpHost proxyHost = new HttpHost("localhost", 8282);
    DefaultProxyRoutePlanner routePlanner = new DefaultProxyRoutePlanner(proxyHost);
    CloseableHttpClient httpclient = HttpClients.custom().setRoutePlanner(routePlanner).build();

    try {
        httpclient.execute(new HttpGet("http://example.invalid"));
    } catch (Exception e) {
        //
    }
    proxy.stopProxy();

    try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
        SaveService.saveTree(treeModel.getTestPlan(), out);
        out.close();
        System.out.println(out.toString());
    }

}