What occurs when you call a method on a reference variable that contains null? select one: a. an arrayindexoutofboundsexception error b. an arithmeticexception error c. a nullpointerexception error d. a classcastexception error
open loop is by the fact that the output signal or condition is neither measured nor “fed back” for comparison with the input signal or system set point. closed-loop an automatic control system in which an operation, process, or mechanism is regulated by feedback.
microsoft excel that also called the spreadsheet can perform the look function by using the different keys.