Package com.packtpub.java7.concurrency.chapter4.recipe12.core

Examples of com.packtpub.java7.concurrency.chapter4.recipe12.core.Main

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     * Create and launch five Task objects
     */
    Thread threads[]=new Thread[5];
    for (int i=0; i<threads.length; i++) {
      logger.log(Level.INFO,"Launching thread: "+i);
      Task task=new Task();
      threads[i]=new Thread(task);
      logger.log(Level.INFO,"Thread created: "+threads[i].getName());
      threads[i].start();
    }
   
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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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  public static void main(String[] args) throws Throwable {
   
    /*
     * Create a Test object
     */
    ProducerConsumerTest test=new ProducerConsumerTest();
   
    /*
     * Execute the test
     */
    System.out.printf("Main: Starting the test\n");
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  /**
   * @param args
   */
  public static void main(String[] args) {
   
    TaskAtomic atomicTask=new TaskAtomic();

    TaskLock lockTask=new TaskLock();
   
    int numberThreads=50;
    Thread threads[]=new Thread[numberThreads];
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   */
  public static void main(String[] args) {
   
    TaskAtomic atomicTask=new TaskAtomic();

    TaskLock lockTask=new TaskLock();
   
    int numberThreads=50;
    Thread threads[]=new Thread[numberThreads];
    Date begin,end;
   
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    Thread threads[]=new Thread[1000];
    Date start,end;
   
    start=new Date();
    for (int i=0; i<threads.length; i++) {
      Task task=new Task();
      threads[i]=new Thread(task);
      threads[i].start();
    }
   
    for (int i=0; i<threads.length; i++) {
      try {
        threads[i].join();
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
    }
    end=new Date();
    System.out.printf("Main: Threads: %d\n",(end.getTime()-start.getTime()));
   
    ThreadPoolExecutor executor=(ThreadPoolExecutor)Executors.newCachedThreadPool();
   
    start=new Date();
    for (int i=0; i<threads.length; i++) {
      Task task=new Task();
      executor.execute(task);
    }
    executor.shutdown();
    try {
      executor.awaitTermination(1, TimeUnit.DAYS);
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  /**
   * @param args
   */
  public static void main(String[] args) {
    int array[]=new int[100000];
    Task task=new Task(array);
    ThreadPoolExecutor executor=(ThreadPoolExecutor)Executors.newCachedThreadPool();
   
    Date start,end;
    start=new Date();
    executor.execute(task);
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      e.printStackTrace();
    }
    end=new Date();
    System.out.printf("Main: Executor: %d\n",(end.getTime()-start.getTime()));
   
    TaskFJ taskFJ=new TaskFJ(array,1,100000);
    ForkJoinPool pool=new ForkJoinPool();
    start=new Date();
    pool.execute(taskFJ);
    pool.shutdown();
    try {
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  /**
   * @param args
   */
  public static void main(String[] args) {
    for (int i=0; i<20; i++){
      Task task=new Task();
      Thread thread=new Thread(task);
      thread.start();
    }

  }
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  @Override
  public void run() {

    System.out.printf("%s: Getting the connection...\n",Thread.currentThread().getName());
    DBConnectionOK connection=DBConnectionOK.getConnection();
    System.out.printf("%s: End\n",Thread.currentThread().getName());
  }
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