OOP Quiz!

What is a constructor?

• A.

  A method used to control changes to a variable.

• B.

  Returns the value of the private member variable.

• C.

  Set the accessibility of classes, methods, and other members

• D.

  A procedure associated with an object class.

Java passes information to a method with ...?

• A.

  Constructor

• B.

  Mutator

• C.

  Parameters

• D.

  Interface

Fields have a "visibility" that determine what other classes can see the fields.

• A.

  True

• B.

  False

--------- are action modules that process data. 

An ------- is a blueprint of a class. It has static constants and abstract methods only.

• A.

  Encapsulation

• B.

  Interface

• C.

  Accessor

• D.

  Typed method

The ability to "hide" the implementation and the data stored in an object. 

• A.

  Argument

• B.

  Class

• C.

  Information hiding

• D.

  Encapsulation

Information hiding is a principle of design decisions that are most likely to change.

• A.

  True

• B.

  False

A shared boundary across which two separate components of a computer system exchange information.

An instance of a class. -------- have state, identity and behaviour.