foamroll questions

• What guarantees that this call to a static method from another class's static block works as expected?
• Singleton's other members
• ThreadPoolExecutor's queuing behavior customizable to prefer new thread creation over queuing?
• Why can't i instantiate ThreadPoolExecutor with BlockingQueue<Callable>; why only BlockingQueue<Runnable>?
• AtomicInteger's get() vs intValue()

foamroll answers