Object-oriented system development pdf

1. What is object oriented system development?
2. What is object oriented system?
3. What are the 3 principles of OOP?
4. What are the 4 basics of OOP?
5. What are the 2 stages of object oriented design?
6. What are UML diagrams?
7. What is the basis of encapsulation?
8. What is the main advantage of object-oriented development?
9. What is object-oriented diagram?
10. Why do we need object-oriented systems development?
11. What are the 5 OOP principles?
12. What is subclass and superclass?
13. What is Python method?
14. What is CPP encapsulation?

What is object oriented system development?

Object-Oriented Development uses "objects" to model real world objects. A car or a laptop can be considered as object. While traditional programming views software as a collection of functions, an object oriented system concentrates on the objects that combines data and functionality together.

What is object oriented system?

In an object-oriented system, all data is represented as discrete objects with which the user and other objects may interact. ... An object-oriented system allows the user to focus completely on tasks rather than tools. Examples of object-oriented programming languages include C++ and Smalltalk.

What are the 3 principles of OOP?

Object-Oriented Principles. Encapsulation, inheritance, and polymorphism are usually given as the three fundamental principles of object-oriented languages (OOLs) and object-oriented methodology.

What are the 4 basics of OOP?

Now, there are four fundamental concepts of Object-oriented programming – Inheritance, Encapsulation, Polymorphism, and Data abstraction.

What are the 2 stages of object oriented design?

Object-oriented design includes two main stages, namely, system design and object design.

What are UML diagrams?

A UML diagram is a diagram based on the UML (Unified Modeling Language) with the purpose of visually representing a system along with its main actors, roles, actions, artifacts or classes, in order to better understand, alter, maintain, or document information about the system.

What is the basis of encapsulation?

What is 'Basis of Encapsulation'? Explanation: Encapsulation is the mechanism that binds together code and data it manipulates, and keeps both safe from outside interface and misuse. Class, which contains data members and methods is used to implement Encapsulation.

What is the main advantage of object-oriented development?

Some of the advantages of object-oriented programming include: Improved software-development productivity: Object-oriented programming is modular, as it provides separation of duties in object-based program development. It is also extensible, as objects can be extended to include new attributes and behaviors.

What is object-oriented diagram?

Object diagrams represent an instance of a class diagram. ... Object diagrams also represent the static view of a system but this static view is a snapshot of the system at a particular moment. Object diagrams are used to render a set of objects and their relationships as an instance.

Why do we need object-oriented systems development?

An important goal of object-oriented development is to change the nature of traditional soft- mare development from designing and writing models from scratch to building systems through the assembly of reusable software objects.

What are the 5 OOP principles?

SOLID is an acronym for five main principles of Object-Oriented Programming (OOP): single responsibility principle, open-closed principle, Liskov substitution principle, interface segregation principle and dependency inversion principle.

What is subclass and superclass?

Definitions: A class that is derived from another class is called a subclass (also a derived class, extended class, or child class). The class from which the subclass is derived is called a superclass (also a base class or a parent class).

What is Python method?

A method is a function that “belongs to” an object. (In Python, the term method is not unique to class instances: other object types can have methods as well. For example, list objects have methods called append, insert, remove, sort, and so on.

What is CPP encapsulation?

In normal terms Encapsulation is defined as wrapping up of data and information under a single unit. In Object Oriented Programming, Encapsulation is defined as binding together the data and the functions that manipulates them.