feat: add POO explanations

Gildaciolopes · Gildaciolopes · commit a5e162dae1bb · 2025-03-16T04:58:07.000-03:00
diff --git a/advanced/object_oriented.js b/advanced/object_oriented.js
@@ -0,0 +1,63 @@
+// &#128204; JavaScript Intermediate - Object-Oriented Programming (OOP)
+
+// Welcome to the sixth section of the JavaScript Intermediate tutorial!
+// Here, you'll learn about Object-Oriented Programming (OOP) in JavaScript.
+
+// Constructor Function
+function Person(name, age) {
+  this.name = name;
+  this.age = age;
+  this.greet = function () {
+    console.log(
+      `Hello, my name is ${this.name} and I am ${this.age} years old.`
+    );
+  };
+}
+const person1 = new Person("Alice", 25);
+person1.greet();
+
+// Classes (ES6+)
+class Animal {
+  constructor(name, sound) {
+    this.name = name;
+    this.sound = sound;
+  }
+  makeSound() {
+    console.log(`${this.name} says ${this.sound}`);
+  }
+}
+const dog = new Animal("Dog", "Woof");
+dog.makeSound();
+
+// Inheritance
+class Dog extends Animal {
+  constructor(name, breed) {
+    super(name, "Woof");
+    this.breed = breed;
+  }
+  showBreed() {
+    console.log(`${this.name} is a ${this.breed}.`);
+  }
+}
+const myDog = new Dog("Buddy", "Golden Retriever");
+myDog.makeSound();
+myDog.showBreed();
+
+//  Getters and Setters
+class User {
+  constructor(username) {
+    this._username = username;
+  }
+  get username() {
+    return this._username;
+  }
+  set username(newUsername) {
+    this._username = newUsername;
+  }
+}
+const user = new User("JohnDoe");
+console.log(user.username);
+user.username = "JaneDoe";
+console.log(user.username);
+
+// &#128161; Practice using OOP principles to structure your JavaScript applications!
