Given a double variable named areaofsquare write the necessary code to read in a value , the area of some square, into areaofsquare and print out the length of the side of that square. however: if any value read in is not valid input, just print the message "invalid". assume the availability of a variable , stdin, that references a scanner object associated with standard input.

Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.