examples of object oriented programming

Example 1: oop principles

Abstraction (Partial Abstraction & Interfaces)
Encapsulation (Private Field & Getter & Setter)
Inheritance (Super and Sub Class)
Polymorphism (Static - Overloading & Dynanmic - Overriding)

Example 2: object oriented programming languages

Object oriented programming languages include:

Java
JavaScript
Python
C++
Visual Basic .NET
Ruby
Scala
PHP

These are just the main ones, there's much more out there.

Example 3: object-oriented programming

class Person {
 void walk() {
  System.out.println(“Can Run….”);
 }
}
class Employee extends Person {
 void walk() {
  System.out.println(“Running Fast…”);
 }
 public static void main(String arg[]) {
  Person p = new Employee(); //upcasting
  p.walk();
 }
}