OOD
Design Aproaches
Class
Functional Oriented Design
What will the system do
Object Oriented Desing
What data will be stored in the system
A class is a blueprint or template that defines the variables ans methods common to all objects of a certain kind.
OBJECT
An object is an instance of a class with a group of atributes and related methods
The Data the object stores
the method the object stores
In DataBase design all design revolves around the actual
data which is stored in the system.
Related data is stored in the same table.
If data is stored in 2 separate locations the data is normed in order to make the data storage and retreival more efficient
Attributes
i.e. theName, theAddress
Attribute is a piece of data which needs to be stores for an object
using "the" befor name of the attribute is a JAVA coding convention to distinguish between class attributes and local attributes
click to edit
Constructor
It has the same name as the class
there is no return type from the method