[PDF] accessors and mutators provide mechanisms for controlled access to a well encapsulated class.

  • What is the name of a class that has only accessor methods and no mutator methods?

    Describe an immutable class. A class that has accessor methods, but does not have mutator methods. What type of method modifies the object on which it is invoked? Mutator methods exhibit what type of side effects?

  • Can a method defined in a class access the class instance data without needing to pass them as parameters or declare them as local variables?

    A method defined in a class can access the class' instance data without needing to pass them as parameters or declare them as local variables. True (The instance data are globally available to all of the class' methods and therefore the methods do not need to receive them as parameters or declare them locally.

  • What is the difference between a getter method and an accessor method?

    - A getter method allows you to get the value of a field while an accessor method sets the value of the field.
  • In object-oriented terminology, a class is a template for defining objects. It specifies the names and types of variables that can exist in an object, as well as "methods"--procedures for operating on those variables. A class can be thought of as a "type", with the objects being a "variable" of that type.
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