Introduction to Object Oriented Programming

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10 Questions

What is the main advantage of using the object-oriented programming approach?

Shorter development time for modules

In object-oriented programming, what is an object?

A set of data and functions tied to the main program

What is encapsulated in an object in object-oriented programming?

Member data

How do various objects of a program interact with each other in object-oriented programming?

By sending messages to each other

What is the basic unit of Object Oriented Programming?

Object

Which characteristic of OOP permits the user to use an object without knowing its internal working?

Data abstraction

What is used to create memory area for data and member functions together as a single entity in OOP?

Object

What combines data and functions into a single unit called class in OOP?

Data encapsulation

By what name is each object identified in OOP?

Unique name

What permits the creation of user-defined data types in OOP?

Classes

Study Notes

Object-Oriented Programming (OOP)

  • The main advantage of using OOP is the ability to create reusable and modular code.
  • An object in OOP is a self-contained entity that represents real-world objects or abstract concepts, and has properties and behaviors.

Object Composition

  • An object encapsulates data and methods that operate on that data.
  • Encapsulation is the bundling of data and methods that operate on that data within a single unit.

Object Interaction

  • Objects interact with each other through methods, which are functions that belong to an object.
  • Objects can send and receive messages to and from other objects, allowing them to interact and exchange data.

Basic Units of OOP

  • The basic unit of OOP is a class, which is a blueprint or template for creating objects.
  • A class combines data and functions into a single unit, defining the properties and behaviors of an object.

Characteristics of OOP

  • Abstraction is the characteristic of OOP that permits the user to use an object without knowing its internal working.
  • Abstraction allows users to focus on the object's interface and behavior, rather than its implementation details.

Memory Management

  • A class is used to create a memory area for data and member functions together as a single entity in OOP.

Identifying Objects

  • Each object is identified by its unique name, which is used to reference the object.

User-Defined Data Types

  • OOP permits the creation of user-defined data types, allowing developers to create custom data types that meet specific needs.
  • Classes enable the creation of user-defined data types, which can be used to represent complex data structures and behaviors.

Explore the fundamental principles of object oriented programming and its advantages in software development. Learn about modular approach, data as the basic element, and the sharing of program modules among applications.

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