...

		ExecutorService executor = Executors.newFixedThreadPool(20);
		
		Runnable task = null;
		SomeThread thread = null;
		for(int i = -1; ++i < 100;) {
			thread = new SomeThread(i); // It creates a new _thread_
			task = new Task(i);		// It creates a new _object task_
			
			executor.execute(thread);
			executor.execute(task);
		}

		thread.run(); // synchronously start the _thread_
		task.run();		// _method_ is executed
		
		executor.shutdown();
		while (!executor.isTerminated());

...

			
...
executor.execute(thread);
executor.execute(task);
...

...
       public Thread newThread(Runnable r) {
            Thread t = new Thread(group, r,
                                  namePrefix + threadNumber.getAndIncrement(),
                                  0);
            if (t.isDaemon())
                t.setDaemon(false);
            if (t.getPriority() != Thread.NORM_PRIORITY)
                t.setPriority(Thread.NORM_PRIORITY);
            return t;
        }
    }
...