Object-Oriented Programming Basics

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Questions and Answers

What was the primary motivation behind the development of Object Oriented Programming languages?

  • To create a programming model based solely on procedures
  • To combine both data and functions into a single unit (correct)
  • To create a programming model based on functions
  • To develop software that is not secure and unrealistic

Which of the following is NOT a pillar of Object Oriented Programming?

  • Inheritance
  • Encapsulation
  • Functional Programming (correct)
  • Polymorphism

What is the main advantage of Encapsulation in Object Oriented Programming?

  • It enables modularity in programming
  • It allows for code reusability
  • It provides data security (correct)
  • It improves code readability

Which programming language was the first to implement Object Oriented Programming?

<p>SIMULA 67 (A)</p> Signup and view all the answers

What is a Class in Object Oriented Programming?

<p>A logical entity that contains information of member variables, methods, constructors, and destructors (B)</p> Signup and view all the answers

What is an Attribute in Object Oriented Programming?

<p>A changeable component of a program that can be set to different values (C)</p> Signup and view all the answers

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Study Notes

Object-Oriented Programming (OOP)

  • OOP is a computer programming model or paradigm that combines data and functions into a single unit.
  • It's a methodology that teaches developers to create secure and realistic software.

Key Concepts

  • Object: Any entity that has state (data) and behavior (functionality) is called an object, also known as a run-time entity.
  • Class: A class is a user-defined data type that contains information about member variables, member methods, constructors, and destructors.
  • Attributes: An attribute is a changeable component of a program that can be set to different values.

Pillars of OOP

Encapsulation

  • Encapsulation is the wrapping or bundling of data and functions into a single unit.
  • It provides data security.

Remaining Pillars of OOP

  • Inheritance
  • Polymorphism
  • Abstraction

Miscellaneous

  • The world's first OOP language was SIMULA 67.

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