232: Highlights

• Getter and setter instance methods provide an indirect route to instance-variable access and assignment.
• You can define getter and setter instance methods for imaginary instance variables.
• If you want to refer to an instance-variable value using a getter, then instantiate the following pattern:

  instance.getter method() 
  

• If you want to assign an instance-variable value using a setter, then instantiate the following pattern:

  instance.setter method(new-value expression)