Live Preview displays the look of an image when you use the Shape Fill arrow

Which statement is false?

a. A linked list is a linear collection of self-referential class objects called nodes connected by reference links. b. A linked list is appropriate when the number of data elements to be represented in the data structure is unpredictable. c. A linked list is a fixed-size data structure. d. By convention, the link reference in the last node of a list is set to null to mark the end of the list.

What software programming languages can be used for an iOS app? (Choose all that apply.)

A. Objective-C B. C C. C++ D. Java