What Is Object Oriented Programming Short Answer?


Scott Campbell

Object Oriented Programming (OOP) is a programming paradigm that organizes code into objects, which are instances of classes. It is a way of structuring and designing programs to promote code reusability, maintainability, and scalability. In this article, we will explore the key concepts of OOP and understand its benefits.

Key Concepts of Object Oriented Programming

1. Classes and Objects

In OOP, a class is a blueprint or template that defines the properties and behaviors of an object. An object, on the other hand, is an instance of a class that can be created and manipulated.


class Car {
  String brand;
  int year;
  void accelerate() {
    // Code to accelerate the car
  void brake() {
    // Code to apply brakes

Car myCar = new Car();
myCar.brand = "Toyota";
myCar.year = 2021;

2. Encapsulation

Encapsulation refers to the bundling of data and methods within a class, hiding the internal details from the outside world. It helps in data protection and prevents unauthorized access.


class BankAccount {
  private double balance;

  public void deposit(double amount) {
    // Code to add the amount to balance

  public double getBalance() {
    return balance;

BankAccount myAccount = new BankAccount();
double balance = myAccount.getBalance();

3. Inheritance

Inheritance allows one class (child or derived class) to inherit properties and methods from another class (parent or base class). It promotes code reuse and enables the creation of specialized classes.


class Animal {
  void eat() {
    // Code to eat

class Dog extends Animal {
  void bark() {
    // Code to bark

Dog myDog = new Dog();

4. Polymorphism

Polymorphism refers to the ability of an object to take on many forms. It allows objects of different classes to be treated as objects of a common superclass, enabling flexibility and extensibility.


class Shape {
  void draw() {
    // Code to draw shape

class Circle extends Shape {
  void draw() {
    // Code to draw circle

class Square extends Shape {
  void draw() {
    // Code to draw square

Shape myShape = new Circle();

Shape anotherShape = new Square();

Benefits of Object Oriented Programming

  • Modularity: OOP promotes modularity by breaking down code into smaller, manageable components (classes), making it easier to understand and maintain.
  • Code Reusability: With inheritance and polymorphism, OOP allows for the reuse of existing code, reducing development time and effort.
  • Maintainability: Encapsulation ensures that changes made within a class do not affect other parts of the program, improving maintainability.
  • Data Security: By encapsulating data and providing controlled access through methods, OOP enhances data security and reduces the risk of unauthorized modifications.
  • Scalability: OOP provides a scalable structure that allows for the addition of new features and functionalities without impacting the existing code.

Object Oriented Programming offers a robust and efficient approach to software development. By organizing code into objects, encapsulating data, and utilizing concepts like inheritance and polymorphism, developers can build complex applications that are easier to understand, maintain, and extend. Understanding OOP is essential for any programmer looking to write clean, reusable code.

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