// 16、实现showLog()方法，接受一个ForkJoinPool对象作为参数，输出关于它的状态信息及线程、任务的执行信息
private static void showLog(ForkJoinPool pool) {
System.out.printf("**********************\n");
System.out.printf("Main: Fork/Join Pool log\n");
System.out.printf("Main: Fork/Join Pool: Parallelism: %d\n", pool.getParallelism());
System.out.printf("Main: Fork/Join Pool: Pool Size: %d\n", pool.getPoolSize());
System.out.printf(
"Main: Fork/Join Pool: Active Thread Count: %d\n", pool.getActiveThreadCount());
System.out.printf(
"Main: Fork/Join Pool: Running Thread Count: %d\n", pool.getRunningThreadCount());
System.out.printf(
"Main: Fork/Join Pool: Queued Submission: %d\n", pool.getQueuedSubmissionCount());
System.out.printf("Main: Fork/Join Pool: Queued Tasks: %d\n", pool.getQueuedTaskCount());
System.out.printf(
"Main: Fork/Join Pool: Queued Submissions: %s\n", pool.hasQueuedSubmissions());
System.out.printf("Main: Fork/Join Pool: Steal Count: %d\n", pool.getStealCount());
System.out.printf("Main: Fork/Join Pool: Terminated : %s\n", pool.isTerminated());
System.out.printf("**********************\n");
}
