Atechnician is checking the operation of the electronic throttle control (etc) system using a factory or factory-level scan tool. to perform this test on a chrysler vehicle, you would use the "throttle follower test" as shown on the scan tool. which of the following is needed to perform this process? a. an assistant to check that the throttle plate is moving b. nothing—the throttle will perform a self-test by closing and then opening. c. a running engine d. an assistant to hold open the throttle plate

8. create an abstract student class for parker university. the class contains fields for student id number, last name, and annual tuition. include a constructor that requires parameters for the id number and name. include get and set methods for each field; the settuition() method is abstract. create three student subclasses named undergraduatestudent, graduatestudent, and studentatlarge, each with a unique settuition() method. tuition for an undergraduatestudent is $4,000 per semester, tuition for a graduatestudent is $6,000 per semester, and tuition for a studentatlarge is $2,000 per semester. write an application that creates an array of at least six objects to demonstrate how the methods work for objects for each student type. save the files as student.java, undergraduatestudent.java, graduatestudent.java, studentatlarge.java, and studentdemo.java.