Question

Describe the 4 core object oriented objects in object-oriented data modelling?

Answer 1

"A core Object-Oriented data model consists of the following basic Object-Oriented concept : ... (2) attributes and methods: every object has a state (the set of values for the attributes of the object) and a behaviour (the set of methods - program code- which operate on the stat of the object)"

Answer 2

An object oriented programming refers to the type of programming where data and object are given equal importance and data is secured by hiding it .

Features are

1. Inheritance .

2. Data abstraction .

3. Encapsulation .

4. Modularity .

5. Polymorphism .