programming languages

Question 1

object

Answer 1

• instintated from class

Question 2

method

Answer 2

• action object performs

Question 3

attribute

Answer 3

• value held by the object

Question 4

encapsulation

Answer 4

• used to hide the values/internal state of an object
• preventing direct access/preventing values from being changed
• encapsulated attributes can only be accessible or changed via the methods provided by the object

Question 5

polymorphism

Answer 5

• when a subclass alters its inherited methods
• either overloading or overriding
  overriding - a method is redefined in a subclass with the same name and the same arguments
  overloading - method is defined in the subclass that has the same name, but different arguments to a method defined in the superclass