GrIDS uses a hierarchy of directors to analyze data. Each director performs some checks, then creates a higher-level abstraction of the data to pass to the next director in the hierarchy. AAFID distributes the directors over multiple agents. Discuss how the distributed director architecture of AAFID could be combined with the hierarchical structure of the directors of GrIDS. What advantages would there be in distributing the hierarchical directors

Which of the following statements is false? a. package access is rarely used. b. use the access modifier package to give a method or variable package access. c. classes in the same source file are part of the same package. d. if a program uses multiple classes from the same package, these classes can access each other's package access members directly through references to objects of the appropriate classes, or in the case of static members, through the class name.