Package com.packtpub.java7.concurrency.chapter1.recipe1.task

Examples of com.packtpub.java7.concurrency.chapter1.recipe1.task.Calculator

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    /*
     * Create and run ten task objects
     */
    for (int i=0; i<10; i++){
      Task task=new Task("Task-"+i,lock);
      Thread thread=new Thread(task);
      thread.start();
    }
   
    /*
 
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   */
  public static void main(String[] args) throws Exception{
    /*
     * Create a ParkingCounter object
     */
    ParkingCounter counter=new ParkingCounter(5);
   
    /*
     * Create and launch two sensors
     */
    Sensor1 sensor1=new Sensor1(counter);
    Sensor2 sensor2=new Sensor2(counter);
   
    Thread thread1=new Thread(sensor1);
    Thread thread2=new Thread(sensor2);
   
    thread1.start();
    thread2.start();
   
    /*
     * Wait for the finalization of the threads
     */
    thread1.join();
    thread2.join();
   
    /*
     * Write in the console the number of cars in the parking
     */
    System.out.printf("Main: Number of cars: %d\n",counter.get());
   
    /*
     * Writ a message indicating the end of the program
     */
    System.out.printf("Main: End of the program.\n");
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    ParkingCounter counter=new ParkingCounter(5);
   
    /*
     * Create and launch two sensors
     */
    Sensor1 sensor1=new Sensor1(counter);
    Sensor2 sensor2=new Sensor2(counter);
   
    Thread thread1=new Thread(sensor1);
    Thread thread2=new Thread(sensor2);
   
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    /*
     * Create and launch two sensors
     */
    Sensor1 sensor1=new Sensor1(counter);
    Sensor2 sensor2=new Sensor2(counter);
   
    Thread thread1=new Thread(sensor1);
    Thread thread2=new Thread(sensor2);
   
    thread1.start();
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    ForkJoinPool pool=new ForkJoinPool();
   
    /*
     * Task to increment the elements of the array
     */
    Task task=new Task("Task",array,0,array.length);
   
    /*
     * Send the task to the pool
     */
    pool.invoke(task);
 
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   */
  public static void main(String[] args) throws Exception {
    /*
     * Create a task object
     */
    Task task = new Task();
   
    /*
     * Create an array to store the threads
     */
    Thread threads[] = new Thread[5];
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    /*
     * Create and launch a thread every 200 milliseconds. After each creation,
     * show information about the semaphore
     */
    for (int i=0; i<threads.length; i++) {
      Task task=new Task(semaphore);
      threads[i]=new Thread(task);
      threads[i].start();
     
      TimeUnit.MILLISECONDS.sleep(200);
     
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    /*
     * Create and submit ten tasks
     */
    Random random=new Random();
    for (int i=0; i<10; i++) {
      Task task=new Task(random.nextInt(10000));
      executor.submit(task);
    }
   
    /*
     * Write information about the executor
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    int array[]=new int[10000];
   
    /*
     * Create a new task
     */
    Task task1=new Task(array,0,array.length);
   
    /*
     * Execute the task in the Fork/Join pool
     */
    pool.execute(task1);
   
    /*
     * Wait for the finalization of the task writing information
     * about the pool every second
     */
    while (!task1.isDone()) {
      showLog(pool);
      TimeUnit.SECONDS.sleep(1);
    }
   
    /*
 
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     * Executes the threads. There is a problem with this
     * block of code. It uses the run() method instead of
     * the start() method.
     */
    for (int i=0; i<10; i++) {
      Task task=new Task(lock);
      Thread thread=new Thread(task);
      thread.run();
    }

  }
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