Examples of java.util.concurrent.ForkJoinPool.execute()

java.util.concurrent.ForkJoinPool.execute()
Arranges for (asynchronous) execution of the given task. @param task the task @throws NullPointerException if the task is null @throws RejectedExecutionException if the task cannot bescheduled for execution

    
    // Create a Task to process the array
    SearchNumberTask task=new SearchNumberTask(array,0,1000,5,manager);
    
    // Execute the task
    pool.execute(task);


    // Shutdown the pool
    pool.shutdown();

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    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 {
      pool.awaitTermination(1, TimeUnit.DAYS);
    } catch (InterruptedException e) {
      e.printStackTrace();

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    // Create a ForkJoinPool
    ForkJoinPool pool=new ForkJoinPool();
    
    // Execute the Task
    pool.execute(task);


    // Write information about the pool
    do {
      System.out.printf("Main: Thread Count: %d\n",pool.getActiveThreadCount());
      System.out.printf("Main: Thread Steal: %d\n",pool.getStealCount());

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    AlwaysThrowsExceptionWorkerThreadFactory factory=new AlwaysThrowsExceptionWorkerThreadFactory();
    // Creates a new ForkJoinPool
    ForkJoinPool pool=new ForkJoinPool(2,factory,handler,false);
    
    // Execute the task in the pool
    pool.execute(task);
  
    // Shutdown the pool
    pool.shutdown();
    
    // Wait for the finalization of the tasks

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    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
     */

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    // Create a ForkJoinPool
    ForkJoinPool pool=new ForkJoinPool();
    
    // Execute the Task
    pool.execute(task);
    
    // Write statistics about the pool
    do {
      System.out.printf("******************************************\n");
      System.out.printf("Main: Parallelism: %d\n",pool.getParallelism());

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    Task task=new Task(array,0,100);
    // ForkJoinPool to execute the Task
    ForkJoinPool pool=new ForkJoinPool();
    
    // Execute the task
    pool.execute(task);
  
    // Shutdown the ForkJoinPool
    pool.shutdown();
    
    // Wait for the finalization of the task

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    FolderProcessor system=new FolderProcessor("C:\\Windows", "log");
    FolderProcessor apps=new FolderProcessor("C:\\Program Files","log");
    FolderProcessor documents=new FolderProcessor("C:\\Documents And Settings","log");
    
    // Execute the three tasks in the pool
    pool.execute(system);
    pool.execute(apps);
    pool.execute(documents);
    
    // Write statistics of the pool until the three tasks end
    do {

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    FolderProcessor apps=new FolderProcessor("C:\\Program Files","log");
    FolderProcessor documents=new FolderProcessor("C:\\Documents And Settings","log");
    
    // Execute the three tasks in the pool
    pool.execute(system);
    pool.execute(apps);
    pool.execute(documents);
    
    // Write statistics of the pool until the three tasks end
    do {
      System.out.printf("******************************************\n");

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    FolderProcessor documents=new FolderProcessor("C:\\Documents And Settings","log");
    
    // Execute the three tasks in the pool
    pool.execute(system);
    pool.execute(apps);
    pool.execute(documents);
    
    // Write statistics of the pool until the three tasks end
    do {
      System.out.printf("******************************************\n");
      System.out.printf("Main: Parallelism: %d\n",pool.getParallelism());

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