Custom thread pool name

public class NamedThreadFactory implements ThreadFactory{

        private final AtomicInteger poolNumber = new AtomicInteger(1);

        private final ThreadGroup threadGroup;

        private final AtomicInteger threadNumber = new AtomicInteger(1);

        public  final String namePrefix;

        NamedThreadFactory(String name){
            SecurityManager s = System.getSecurityManager();
            threadGroup = (s != null) ? s.getThreadGroup() :
                    Thread.currentThread().getThreadGroup();
            if (null==name || "".equals(name.trim())){
                name = "pool";
            }
            namePrefix = name +"-"+
                    poolNumber.getAndIncrement() +
                    "-thread-";
        }

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

/The core thread is full, then enter the queue, the queue is full, then create a new thread, when the number of threads reaches the maximum number of threads, then enter the rejection strategy

static ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(5,5,1,
            TimeUnit.MINUTES,new LinkedBlockingDeque<>(),new NamedThreadFactory("测试"));