Chapter 6 - Object-oriented programming concepts - Key Words

Question 1

Modular Design

Answer 1

A method of system design that breaks a whole system down into smaller units, or modules

Question 2

Encapsulation

Answer 2

The concept of putting properties, methods and data in one object

Question 3

Method

Answer 3

The code or routines contained within a class

Question 4

Properties

Answer 4

The defining features of an object or class in terms of data

Question 5

Class

Answer 5

Defines the properties and methods of a group of similar objects

Question 6

Object

Answer 6

A specific instance of a class

Question 7

Inheritance

Answer 7

The concept that properties and methods in one class can be shared with a subclass

Question 8

Class Diagram

Answer 8

A way of representing the relationship between classes

Question 9

Instantiation

Answer 9

The process of creating an object from a class

Question 10

Polymorphism

Answer 10

The ability of different types of data to be manipulated with the same method

Question 11

Overriding

Answer 11

Where a method described in the subclass take precedence over a method with the same name in the base class

Question 12

Composition aggregation

Answer 12

Creating an object that contains other objects, and will cease to exist if the containing object is destroyed

Question 13

Association aggregation

Answer 13

Creating an object that contains other objects, which can continue to exist even if the containing object is destroyed