Package javafx.collections defines ObservableList and other observable collection interfaces. The package also contains class ________, which provides static methods for creating and manipulating observable collections.

A company has contracted with an outside vendor to perform a service that will provide hardware, software, and procedures in case of a catastrophic failure of the primary datacenter. The Chief Information Officer (CIO) is concerned because this contract does not include a long-term strategy for extended outages. Which of the following should the CIO complete?

A. Disaster recovery plan B. Business continuity plan C. Service level agreement D. First responder training

Could the gossip architecture be used for a distributed computer game as described in Exercise 18.3?

What will be an ideal response?