retry:

for (;;) {

    int c = ctl.get();

    int rs = runStateOf(c);

    // Check if queue empty only if necessary.

    if (rs >= SHUTDOWN &&

            ! (rs == SHUTDOWN &&

                    firstTask == null &&

                    ! workQueue.isEmpty()))

        return false;

    for (;;) {

        int wc = workerCountOf(c);

        if (wc >= CAPACITY ||

                wc >= (core ? corePoolSize : maximumPoolSize))

            return false;

        if (compareAndIncrementWorkerCount(c))

            break retry;

        c = ctl.get();  // Re-read ctl

        if (runStateOf(c) != rs)

            continue retry;

        // else CAS failed due to workerCount change; retry inner loop

    }

}

retry:

for (;;) {

    System.out.println("A");

    for (;;) {

        System.out.println("B");

        break retry;

    }

}

System.out.println("End");

retry:

for (; ; ) {

    System.out.println("A");

    for (; ; ) {

        System.out.println("B");

        continue retry;

    }

}