Java Reference
In-Depth Information
meter as above. Some object-oriented languages advocate per-object
access control, but the Java programming language is not one of them.
Exercise 2.13
: Make the fields in your
Vehicle
class
private
, and add
accessor methods for the fields. Which fields should have methods to
change them, and which should not?
Exercise 2.14
: Make the fields in your
LinkedList
class
private
, and add
accessor methods for the fields. Which fields should have methods to
change them, and which should not?
Exercise 2.15
: Add a
changeSpeed
method that changes the current
speed of the vehicle to a passed-in value and add a
stop
method that
sets the speed to zero.
Exercise 2.16
: Add a method to
LinkedList
to return the number of ele-
ments in a list.
