What happens when data that is externally linked is edited and both the source and destination file are open?

Variables should be declared as fields only if ________.

a. they are local variables b. they are used only within a method c. they are required for use in more than one method or their values must be saved between calls to the class’s methods d. they are arguments

Suppose class Child is derived from class Parent was in turn derived from class GrandParent. The class Parent and GrandParent are the

a) Predecessor classes of class Child b) Forebearer classes of class Child c) Ancestor classes of class Child d) Descendant classes of class Child e) None of the above