{"id":7671,"date":"2025-12-18T09:40:39","date_gmt":"2025-12-18T09:40:39","guid":{"rendered":"https:\/\/www.talentelgia.com\/blog\/?p=7671"},"modified":"2025-12-18T09:57:42","modified_gmt":"2025-12-18T09:57:42","slug":"what-is-oop-language-and-oop-programming","status":"publish","type":"post","link":"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/","title":{"rendered":"What is\u00a0OOP Language and OOP Programming?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#What_Is_Object-Oriented_Language\" title=\"What Is Object-Oriented Language?\">What Is Object-Oriented Language?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#What_is_Object-Oriented_Programming\" title=\"What is Object-Oriented Programming?\">What is Object-Oriented Programming?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#Key_Building_Blocks_of_OOP\" title=\"Key Building Blocks of OOP\">Key Building Blocks of OOP<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#1_Classes_The_Blueprints\" title=\"1. Classes: The Blueprints\">1. Classes: The Blueprints<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#2_Objects_The_Living_Instances\" title=\"2. Objects: The Living Instances\">2. Objects: The Living Instances<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#3_Attributes_The_State\" title=\"3. Attributes: The State\">3. Attributes: The State<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#4_Methods_The_Behaviors\" title=\"4. Methods: The Behaviors\">4. Methods: The Behaviors<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#4_Principles_of_OOP\" title=\"4 Principles of OOP\">4 Principles of OOP<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#1_Encapsulation\" title=\"1. Encapsulation\">1. Encapsulation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#2_Inheritance\" title=\"2. Inheritance\">2. Inheritance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#3_Polymorphism\" title=\"3. Polymorphism\">3. Polymorphism<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#4_Abstraction_The_Art_of_Hiding_Complexity\" title=\"4. Abstraction: The Art of Hiding Complexity\">4. Abstraction: The Art of Hiding Complexity<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#Most_Popular_OOP_Languages_You_Must_Know\" title=\"Most Popular OOP Languages You Must Know\">Most Popular OOP Languages You Must Know<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Every business relies on the best programmers producing the best code for their website. The languages they use depend on the work, as for some tasks, developers may choose to work with server-side scripting languages such as PHP, .NET, Node.js, Java, Ruby, and Python. For other tasks, developers may decide to take a more traditional approach of using an object-oriented language for the projects. Usually, the nature of the work will determine which language to go with.<\/p>\n\n\n\n<p>But what does the work demand of an \u201cobject-oriented language\u201d in <strong><a href=\"https:\/\/www.talentelgia.com\/blog\/custom-software-development\/\" target=\"_blank\" rel=\"noreferrer noopener\">software development<\/a><\/strong>? Which one should we choose? This decision can make or break the work. Any wrong language choice means you will get stuck and result in lots of wasted effort, while choosing the right one will make everything flow seamlessly. In this article, we will examine what OOP languages are and the top programming languages that contribute to it significantly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Is_Object-Oriented_Language\"><\/span><strong>What Is Object-Oriented Language?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>An <em>Object-Oriented Language<\/em> is a programming language specifically designed (or evolved) to fully support Object-Oriented Programming (OOP) principles, making it natural to structure code around classes, objects, inheritance, and the four pillars. These languages provide built-in syntax for encapsulation (private\/public access), polymorphism (method overriding), and abstraction (interfaces\/abstract classes), so developers don&#8217;t fight the language to use OOP effectively.<\/p>\n\n\n\n<p>Unlike procedural languages (C) or functional ones (Haskell), OOP languages treat everything as objects or provide seamless object support. Java enforces &#8220;pure OOP&#8221; (no functions outside classes), Python offers flexible dynamic OOP, and C++ blends OOP with low-level control. You can model real-world hierarchies\u2014like Dog extends Animal\u2014without awkward workarounds.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-very-light-gray-to-cyan-bluish-gray-gradient-background has-background\"><strong>Read More: <a href=\"https:\/\/www.talentelgia.com\/blog\/what-are-the-most-popular-programming-languages\/\" target=\"_blank\" rel=\"noreferrer noopener\">What are The Most Popular Programming Languages ?<\/a><\/strong><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_Object-Oriented_Programming\"><\/span><strong><br><\/strong><strong>What is Object-Oriented Programming?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u201cObject-Oriented Programming (OOP)\u201d is the paradigm\u2014the mindset and methodology\u2014not the language itself. It&#8217;s organizing code into self-contained objects that bundle data (attributes like bankAccount.balance) and behaviors (methods like withdraw()) together, interacting via well-defined messages rather than global functions manipulating shared data.<\/p>\n\n\n\n<p>Think procedural programming as &#8220;data + functions scattered everywhere&#8221; (chaos at scale) versus OOP&#8217;s &#8220;objects own their data and expose clean APIs&#8221; (scalable teamwork). Pioneered by Simula (1967) and Smalltalk, OOP powers 80% of enterprise software because it mirrors reality: cars have color\/speed and drive() independently.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Building_Blocks_of_OOP\"><\/span><strong>Key Building Blocks of OOP<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>OOP rests on just a few elegant concepts that unlock modularity and reusability. Master these, and you&#8217;ll think in objects naturally.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Classes_The_Blueprints\"><\/span><strong>1. Classes: The Blueprints<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A class is a template or blueprint defining the structure for objects. It declares:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Attributes (data\/properties):<\/strong> Like color, speed, or accountBalance.<\/li>\n\n\n\n<li><strong>Methods (behaviors\/functions):<\/strong> Like accelerate(), getBalance(), or transferFunds().<\/li>\n<\/ul>\n\n\n\n<p><strong>Real-world example: <\/strong>A class is like a car manufacturing blueprint. It specifies wheels, engine, and doors\u2014but no actual car exists until you build one.<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-aa5a6aee8c1eebafc471d349c71b7247\"><code><strong>class Car:\u00a0 # Class definition\n\n\u00a0\u00a0\u00a0\u00a0def __init__(self, color, model):\u00a0 # Constructor\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.color = color\u00a0 # Attribute\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.model = model\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.speed = 0\n\n\u00a0\u00a0\u00a0\u00a0def accelerate(self, increment):\u00a0 # Method\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.speed += increment<\/strong><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Objects_The_Living_Instances\"><\/span><strong>2. Objects: The Living Instances<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>An object is a concrete instance of a class\u2014memory gets allocated, data gets filled. Multiple objects can come from one class, each with a unique state.<\/p>\n\n\n\n<p><strong>Real-world example:<\/strong> Objects are actual cars rolled off the assembly line. A red Tesla and a blue Ford share the same &#8220;Car&#8221; blueprint but have different colors and mileage.<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-94642b8fa63ad401d096a5a5ed356e6b\"><code><strong>my_tesla = Car(\"red\", \"Model S\")\u00a0 \u00a0 # Object 1\n\nmy_ford = Car(\"blue\", \"F-150\")\u00a0 \u00a0 \u00a0 # Object 2\n\nmy_tesla.accelerate(50)\u00a0 # my_tesla.speed = 50\n\nprint(my_ford.speed) \u00a0 \u00a0 # 0 (independent state)<\/strong><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Attributes_The_State\"><\/span><strong>3. Attributes: The State<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Attributes hold an object&#8217;s data\u2014what makes it unique at any moment. They can be:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Instance attributes:<\/strong> Unique per object (e.g., my_tesla.color).<\/li>\n\n\n\n<li><strong>Class attributes:<\/strong> Shared across all objects (e.g., Car.wheel_count = 4).<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-28e49468fe4d01a3fe20d6e73516adc1\"><code><strong>class Car:\n\n\u00a0\u00a0\u00a0\u00a0wheel_count = 4\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Class attribute (shared)\n\n\u00a0\u00a0\u00a0\u00a0def __init__(self, color, model):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.color = color \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Instance attribute (unique)\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.model = model\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.speed = 0<\/strong><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Methods_The_Behaviors\"><\/span><strong>4. Methods: The Behaviors<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Methods are functions bound to a class\/object. They operate on the object&#8217;s own data via self (Python) or this (Java\/C++). Instance methods act on one object; class\/static methods apply broadly.<\/p>\n\n\n\n<p><strong>Key insight: <\/strong>Methods encapsulate logic\u2014withdraw() checks the balance internally before changing it, preventing invalid states.<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-19d104e6f58fe0958165e0281cc14a48\"><code><strong>class Car:\n\n    wheel_count = 4\n\n    def __init__(self, color, model):\n\n        self.color = color\n\n        self.model = model\n\n        self.speed = 0\n\n        self.is_running = False<\/strong><\/code><\/pre>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;# Instance Method 1: Start the engine<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-13ded5717a15a0094066f83310effe44\"><code><strong>def start_engine(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if not self.is_running:\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.is_running = True\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(f\"{self.color} {self.model} engine started!\")\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0else:\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(f\"{self.model} already running\"<\/strong>)<\/code><\/pre>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;# Instance Method 2: Accelerate<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-d25e11ab3e760c521c3f27b4925fd1ac\"><code><strong>def accelerate(self, increment):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if self.is_running:\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.speed += increment\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(f\"\u26a1 Speed increased to {self.speed} km\/h\")\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0else:\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(\"\u274c Start engine first!\")<\/strong>\u00a0<\/code><\/pre>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;# Instance Method 3: Brake<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-8ebc94db69a25d5feb505a2cc25dc23d\"><code><strong>def get_status(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0status = f\"{self.color} {self.model}\"\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0status += f\" | Speed: {self.speed} km\/h\"\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0status += f\" | Running: {'Yes' if self.is_running else 'No'}\"\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0status += f\" | Wheels: {self.wheel_count}\"\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return status\n\n\u00a0\u00a0\u00a0\u00a0# Class Method (works on class, not instance)\n\n\u00a0\u00a0\u00a0\u00a0@classmethod\n\n\u00a0\u00a0\u00a0\u00a0def get_wheel_info(cls):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return f\"All cars have {cls.wheel_count} wheels\"\n\n\u00a0\u00a0\u00a0\u00a0# Static Method (utility, doesn't need self or cls)\n\n\u00a0\u00a0\u00a0\u00a0@staticmethod\n\n\u00a0\u00a0\u00a0\u00a0def is_valid_speed(speed):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return 0 &lt;= speed &lt;= 300\u00a0\u00a0\u00a0\u00a0<\/strong><\/code><\/pre>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;# Instance Method 4: Get status<\/p>\n\n\n\n<p># Demo: Methods in Action!<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-7a75f60ea2485165bc379ea28cbfd2eb\"><code><strong>print(\"\ud83c\udfce\ufe0f\u00a0 OOP Methods Demo\\n\")\n\n# Create objects\n\ntesla = Car(\"red\", \"Model S\")\n\nford = Car(\"blue\", \"F-150\")\n\n# Use methods\n\ntesla.start_engine()\u00a0 \u00a0 \u00a0 # red Model S engine started!\n\ntesla.accelerate(60)\u00a0 \u00a0 \u00a0 # Speed increased to 60 km\/h\n\nprint(tesla.get_status()) # red Model S | Speed: 60 km\/h | Running: Yes | Wheels: 4\n\nford.start_engine() \u00a0 \u00a0 \u00a0 # blue F-150 engine started!\n\nford.accelerate(80) \u00a0 \u00a0 \u00a0 # Speed increased to 80 km\/h\n\nford.brake()\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Speed reduced to 50 km\/h\n\nprint(\"\\nClass method:\", Car.get_wheel_info())\n\nprint(\"Static method:\", Car.is_valid_speed(250))\u00a0 # True<\/strong><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Principles_of_OOP\"><\/span><strong>4 Principles of OOP<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Almost everything in object-oriented programming (OOP) is analyzed as an object. But what does OOP refer to as an object? Objects store information known as attributes or properties. There are four guiding principles in OOP that dictate how objects relate to each other: encapsulation, inheritance, polymorphism, and abstraction. These principles make it possible for objects to work together to solve a problem and build complex software:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Encapsulation\"><\/span><strong>1. Encapsulation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Encapsulation bundles data (attributes) and behaviors (methods) into a single unit, then locks down access to sensitive internals. External code interacts only through controlled &#8220;public doors&#8221; (methods), keeping the messy wiring hidden.<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-61e882737e1047fea7767b4d5f43c0a5\"><code><strong>class VendingMachine:\n\n\u00a0\u00a0\u00a0\u00a0def __init__(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.__inventory = {\"chips\": 10, \"soda\": 8}\u00a0 # Private: double underscore\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.__money = 0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Hidden balance\n\n\u00a0\u00a0\u00a0\u00a0def add_money(self, amount):\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Public method\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if amount > 0:\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.__money += amount\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(f\"Added ${amount}. Total: ${self.__money}\")\n\n\u00a0\u00a0\u00a0\u00a0def dispense_item(self, item):\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Controlled access\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if item in self.__inventory and self.__inventory&#91;item] > 0:\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if self.__money >= 1.50:\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.__inventory&#91;item] -= 1\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.__money -= 1.50\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(f\" Dispensed {item}!\")\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return True\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0else:\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(\" Need $1.50\")\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0else:\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(\"\u274c Out of stock\")\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return False\n\n\u00a0\u00a0\u00a0\u00a0def get_balance(self):\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Read-only peek\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return self.__money\n\n# Clean external usage\n\nvm = VendingMachine()\n\nvm.add_money(2.00)\n\nvm.dispense_item(\"chips\")\n\n# print(vm.__money)\u00a0 # ERROR! Encapsulation prevents direct access\n\nprint(f\"Balance: ${vm.get_balance()}\")\u00a0 # Balance: $0.5<\/strong><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Inheritance\"><\/span><strong>2. Inheritance<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Inheritance creates a parent-child hierarchy where child classes inherit (and optionally override) everything from parents. It&#8217;s &#8220;is-a&#8221; relationships: SportsCar is-a Car.<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-ef468f3c0ec0278bba9402a42ef65309\"><code><strong>class Vehicle:\u00a0 # Parent (base class)\n\n\u00a0\u00a0\u00a0\u00a0def __init__(self, brand, wheels=4):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.brand = brand\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.wheels = wheels\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.is_moving = False\n\n\u00a0\u00a0\u00a0\u00a0def start(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.is_moving = True\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return f\"{self.brand} started moving!\"\n\n\u00a0\u00a0\u00a0\u00a0def stop(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.is_moving = False\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return f\"{self.brand} stopped.\"\n\nclass Car(Vehicle): \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Child inherits Vehicle\n\n\u00a0\u00a0\u00a0\u00a0def __init__(self, brand, doors=4):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0super().__init__(brand) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Call parent constructor\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.doors = doors\n\n\u00a0\u00a0\u00a0\u00a0def honk(self): \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # New child method\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return \"BEEP BEEP!\"\n\nclass Motorcycle(Vehicle):\n\n\u00a0\u00a0\u00a0\u00a0def __init__(self, brand):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0super().__init__(brand, wheels=2)\n\n\u00a0\u00a0\u00a0\u00a0def wheelie(self):\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Unique behavior\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return \"Motorcycle doing wheelie! \"<\/strong><\/code><\/pre>\n\n\n\n<p># Inheritance in action<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-15e9368046a93c34caf99eaebeed1c1e\"><code><strong>tesla = Car(\"Tesla\", doors=2)\n\nhonda = Motorcycle(\"Honda\")\n\nprint(tesla.start())    # Tesla started moving! (inherited)\n\nprint(honda.stop())     # Honda stopped. (inherited)\n\nprint(tesla.honk())     # BEEP BEEP! (new)<\/strong><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Polymorphism\"><\/span><strong>3. Polymorphism<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Polymorphism lets objects of different classes respond to the same method call differently. Call speak() on any Animal\u2014dogs bark, cats meow, birds chirp. The correct behavior resolves at runtime.<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-8ce4f49349a188f5aa79b471cccc0c2f\"><code><strong>class Animal:\n\n\u00a0\u00a0\u00a0\u00a0def speak(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return \"Some generic animal sound\"\n\nclass Dog(Animal):\n\n\u00a0\u00a0\u00a0\u00a0def speak(self):\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Override\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return \"Woof! \"\n\nclass Cat(Animal):\n\n\u00a0\u00a0\u00a0\u00a0def speak(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return \"Meow! \"\n\nclass Bird(Animal):\n\n\u00a0\u00a0\u00a0\u00a0def speak(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return \"Tweet! \"<\/strong><\/code><\/pre>\n\n\n\n<p># Polymorphism magic\u2014no type checking needed!<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-1ee354d47005c9a6b972b68ff15d0104\"><code><strong>def animal_concert(animals):\n\n\u00a0\u00a0\u00a0\u00a0for animal in animals:\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(animal.speak()) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Same call, different results!\n\npets = &#91;Dog(), Cat(), Bird()]\n\nanimal_concert(pets)\n\n# Woof! \n\n# Meow! \n\n# Tweet! <\/strong><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Abstraction_The_Art_of_Hiding_Complexity\"><\/span><strong>4. Abstraction: The Art of Hiding Complexity<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Abstraction hides implementation details, exposing only essential features. Use abstract classes\/interfaces to define contracts: &#8220;You must implement these methods.&#8221;<\/p>\n\n\n\n<p>from abc import ABC, abstractmethod<\/p>\n\n\n\n<pre class=\"wp-block-code has-white-color has-black-background-color has-text-color has-background has-link-color wp-elements-dd6e7299cc0f05d6b44b7a18fe293979\"><code><strong>class PaymentProcessor(ABC):\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # Abstract base class\n\n\u00a0\u00a0\u00a0\u00a0@abstractmethod\n\n\u00a0\u00a0\u00a0\u00a0def process_payment(self, amount): \u00a0 \u00a0 \u00a0 # Contract: must implement\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0pass\n\n\u00a0\u00a0\u00a0\u00a0@abstractmethod\n\n\u00a0\u00a0\u00a0\u00a0def get_payment_method(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0pass\n\nclass CreditCardProcessor(PaymentProcessor):\n\n\u00a0\u00a0\u00a0\u00a0def process_payment(self, amount):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return f\"Charged ${amount} to credit card \ud83d\udcb3\"\n\n\u00a0\u00a0\u00a0\u00a0def get_payment_method(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return \"Credit Card\"\n\nclass PayPalProcessor(PaymentProcessor):\n\n\u00a0\u00a0\u00a0\u00a0def process_payment(self, amount):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return f\"Transferred ${amount} via PayPal \ud83d\udcb0\"\n\n\u00a0\u00a0\u00a0\u00a0def get_payment_method(self):\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return \"PayPal\"\n\n# Generic checkout works with ANY processor\n\ndef checkout(processor: PaymentProcessor, amount):\n\n\u00a0\u00a0\u00a0\u00a0print(processor.process_payment(amount))\n\n\u00a0\u00a0\u00a0\u00a0print(f\"Method: {processor.get_payment_method()}\")\n\ncheckout(CreditCardProcessor(), 99.99)\n\ncheckout(PayPalProcessor(), 49.99)<\/strong><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Most_Popular_OOP_Languages_You_Must_Know\"><\/span><strong>Most Popular OOP Languages You Must Know<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Though Simula was the very first programming language that was object-oriented, several other programming languages implement OOP today. Moreover, some programming languages are more optimally compatible with OOP than others. For instance, programming languages that are regarded as pure object-oriented programming languages conceptualize everything as an object. Other programming languages are tailored for OOP, with some procedural elements integrated. Most common programming languages are designed or implemented for OOP.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Language<\/strong><\/td><td><strong>Applications<\/strong><\/td><td><strong>OOP Strength<\/strong><\/td><td><strong>Learning Curve<\/strong><\/td><td><strong>Performance<\/strong><\/td><td><strong>Best known for<\/strong><\/td><\/tr><tr><td><strong>Python<\/strong><\/td><td>AI\/ML, Web (Django), Data Science, Automation<\/td><td>Dynamic classes + mixins, duck typing polymorphism<a href=\"https:\/\/survey.stackoverflow.co\/2025\/technology\"> <\/a><\/td><td> <strong>Easiest<\/strong> (1-2 weeks)<\/td><td>Concise &amp; null safe Android ecosystem<\/td><td>Readable syntax + massive ecosystem. OOP feels natural, not forced.<\/td><\/tr><tr><td><strong>Java<\/strong><\/td><td>Enterprise backends, Android apps, Banking systems<\/td><td>Strict interfaces, pure encapsulation, JVM ecosystem<a href=\"https:\/\/eluminoustechnologies.com\/blog\/object-oriented-programming-languages\/\"> <\/a>\u200b<\/td><td> <strong>Medium<\/strong> (2-4 weeks)<\/td><td> <strong>High<\/strong> (JIT optimized)<\/td><td>Write once, run anywhere&#8221; + strict OOP enforcement<\/td><\/tr><tr><td><strong>JS\/TS<\/strong><\/td><td>Frontend (React), Full-stack (Next.js), Browser games<\/td><td>ES6 classes + prototypes, TypeScript contracts<a href=\"https:\/\/www.pluralsight.com\/resources\/blog\/upskilling\/top-programming-languages-2025\"> <\/a>\u200b<\/td><td><strong>Easy<\/strong> (1-3 weeks)<\/td><td><strong>Good<\/strong> (V8 engine)<\/td><td>Powers 98% of websites + Node.js backends<\/td><\/tr><tr><td><strong>C#<\/strong><\/td><td>Unity games, .NET services, Windows\/Azure apps<\/td><td>LINQ objects, async inheritance, rich hierarchies<a href=\"https:\/\/stepmediasoftware.com\/blog\/list-of-object-oriented-programming-languages\/\"> <\/a>\u200b<\/td><td><strong>Medium<\/strong> (2-4 weeks)<\/td><td><strong>High<\/strong> (JIT + GC)<\/td><td>Unity games + .NET ecosystem<\/td><\/tr><tr><td><strong>C++<\/strong><\/td><td>AAA Games (Unreal), Systems, Finance HFT, Embedded<\/td><td>Templates, RAII, zero-cost virtual polymorphism<br><\/td><td><strong>Hard<\/strong> (2-6 months)<\/td><td> <strong>Fastest<\/strong> (native)<\/td><td>Fastest performance in this list<\/td><\/tr><tr><td><strong> Swift<\/strong><\/td><td>iOS\/macOS apps, Apple Watch, Server (Vapor)<\/td><td>Protocol-oriented, optionals prevent nil crashes<a href=\"https:\/\/eluminoustechnologies.com\/blog\/object-oriented-programming-languages\/\"> <\/a>\u200b<\/td><td> <strong>Easy<\/strong> (2-3 weeks)<\/td><td> <strong>High<\/strong> (ARC + LLVM)<\/td><td>Fastest &amp; safest Apple ecosystem<\/td><\/tr><tr><td><strong>Kotlin<\/strong><\/td><td>Android apps (Google preferred), Multiplatform<\/td><td>Data classes, sealed inheritance, extension methods<a href=\"https:\/\/www.browserstack.com\/guide\/best-language-for-web-development\"> <\/a>\u200b<\/td><td><strong>Easy<\/strong> (1-2 weeks for Java devs)<\/td><td><strong>High<\/strong> (JVM optimized)<\/td><td>Concise &amp; null safe Andoid ecosystem<\/td><\/tr><tr><td><strong>Ruby<\/strong><\/td><td>Web apps (Rails), Scripting, Shopify backend<\/td><td>Everything-is-object, metaprogramming mixins<a href=\"https:\/\/www.bairesdev.com\/blog\/top-object-oriented-programming-languages\/\"> <\/a>\u200b<\/td><td> <strong>Very Easy<\/strong> (1 week)<\/td><td>Medium (GIL-like)<\/td><td>Conventional &amp; elegant&nbsp;<\/td><\/tr><tr><td><strong> PHP<\/strong><\/td><td>WordPress (43% web), Laravel APIs, CMS plugins<\/td><td>Traits (horizontal inheritance), modern PHP 8+<\/td><td> <strong>Easy<\/strong> (1-2 weeks)<\/td><td>Good (JIT in 8+)<\/td><td>Powers 77% of websites (WordPress!)<\/td><\/tr><tr><td><strong> Go (Golang)<\/strong><\/td><td>Cloud (Kubernetes), Microservices, DevOps tools<\/td><td>Structs + implicit interfaces, embedding composition<a href=\"https:\/\/www.avidclan.com\/blog\/the-50-top-programming-languages-in-2025\/\"> <\/a>\u200b<\/td><td><strong>Simple<\/strong> (1 week)<\/td><td>High (compiled + goroutines)<\/td><td>Google&#8217;s efficient systems language<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-verse\">Classes in OOP have private properties by default, meaning that functions defined outside the class cannot access its member variables. Only the class's own member functions can access them. To allow member functions of other classes to access these, we use access specifiers: public, private, and protected. Using objects and classes is a way to bundle functions and data together. OOP also enables the use of inheritance and polymorphism, which improve the maintenance and reusability of the code.\u00a0<br><br>This is why, among other reasons, OOP features detailed design patterns and protocols to prevent external functions from accessing internal code. Ultimately, OOP has proved its worth and remains the ideal solution for many modern software development challenges, as it allows the creation of data structures with numerous features, along with functions that emphasise security, integrity, and maintainability.<\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Every business relies on the best programmers producing the best code for their website. The languages they use depend on the work, as for some tasks, developers may choose to work with server-side scripting languages such as PHP, .NET, Node.js, Java, Ruby, and Python. For other tasks, developers may decide to take a more traditional [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7681,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[17],"tags":[],"class_list":["post-7671","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software-development"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Is OOP Language and OOP Programming? | Talentelgia<\/title>\n<meta name=\"description\" content=\"Understand what OOP language and OOP programming are, including core concepts, principles, and real-world use cases in modern........\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.talentelgia.com\/blog\/what-is-oop-language-and-oop-programming\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is OOP Language and OOP Programming? 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