Exam 22: Concurrency

A runnable thread enters the ________ state (sometimes called the XE "thread states:dead" XE "dead state" dead state) when it successfully completes its task or otherwise terminates (perhaps due to an error).

You can simulate atomicity by ensuring that ________.

Arrays static method ________ fills an array with values produced by a generator function that receives an int and returns a value of type int, long or double.

Thread safety in JavaFX applications is achieved not by synchronizing thread actions, but by ensuring that programs manipulate the scene graph from only the JavaFX application thread. This technique is called ________.

Java's concurrency APIs include the fork/join framework, which helps programmers parallelize algorithms. The fork/join framework particularly well suited to divide-and-conquer-style algorithms, like the ________ sort.

Two tasks that are operating ________ are executing simultaneously.

Two tasks that are operating ________ are both making progress at once.

Overridden Task method _______ performs the Task's work.

The BlockingQueue interface declares which two methods for blocked adding and blocked removing of elements from a circular buffer?

Which of the following statements is false?

In a producer/consumer relationship with a single cell of shared memory, which of the following is true?

This class is used to help implement mutual exclusion.

ExecutorService method ________ executes a Callable passed in as its argument. Method submit returns an object of type Future (of package java.util.concurrent) that represents the future result of the executing Callable.

When a __________ method or block is running on an object, the object is locked so no other such method can run on that object at the same time.