diff --git a/Classes/index.js b/Classes/index.js
new file mode 100644
index 0000000..cf84f42
--- /dev/null
+++ b/Classes/index.js
@@ -0,0 +1,19 @@
+var Animal = /** @class */ (function () {
+    // Constructor
+    function Animal(name) {
+        // this.name is the private property we define in top
+        // name come from parameter 
+        this.name = name;
+    }
+    // Method
+    Animal.prototype.makeSound = function (sound) {
+        console.log("".concat(this.name, " makes a ").concat(sound, " sound."));
+    };
+    return Animal;
+}());
+// Create instances of the class
+var cat = new Animal("Whiskers");
+var dog = new Animal("Buddy");
+// Use class methods
+cat.makeSound("Meow"); // Output: Whiskers makes a Meow sound.
+dog.makeSound("Woof"); // Output: Buddy makes a Woof sound.
diff --git a/Classes/index.ts b/Classes/index.ts
new file mode 100644
index 0000000..bcf39bc
--- /dev/null
+++ b/Classes/index.ts
@@ -0,0 +1,26 @@
+class Animal {
+    // Properties
+    private name: string;
+
+    // Constructor
+    constructor(name: string) {
+        // this.name is the private property we define in top
+        // name come from parameter 
+        this.name = name;
+    }
+
+    // Method
+    makeSound(sound: string): void {
+        console.log(`${this.name} makes a ${sound} sound.`);
+    }
+}
+
+// Create instances of the class
+const cat = new Animal("Whiskers");
+const dog = new Animal("Buddy");
+
+// Use class methods
+cat.makeSound("Meow"); // Output: Whiskers makes a Meow sound.
+dog.makeSound("Woof"); // Output: Buddy makes a Woof sound.
+
+
diff --git a/Enums/dist/index.js b/Enums/dist/index.js
index 2023df2..25eb52e 100644
--- a/Enums/dist/index.js
+++ b/Enums/dist/index.js
@@ -1,3 +1,4 @@
+
 "use strict";
 var Color;
 (function (Color) {
diff --git a/Inheritance/index.js b/Inheritance/index.js
new file mode 100644
index 0000000..df3273c
--- /dev/null
+++ b/Inheritance/index.js
@@ -0,0 +1,41 @@
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+var Name = /** @class */ (function () {
+    function Name(name) {
+        this.name = name;
+    }
+    Name.prototype.getName = function () {
+        console.log("My name is ".concat(this.name));
+    };
+    return Name;
+}());
+var Fullname = /** @class */ (function (_super) {
+    __extends(Fullname, _super);
+    function Fullname(name, lastname) {
+        var _this = _super.call(this, name) || this;
+        _this.lastname = lastname;
+        return _this;
+    }
+    Fullname.prototype.getFullname = function () {
+        console.log("My full name is ".concat(this.name, " ").concat(this.lastname));
+    };
+    return Fullname;
+}(Name));
+// Create instances
+var person = new Fullname("John", "Doe");
+// Use methods
+person.getName(); // Output: My name is John
+person.getFullname(); // Output: My full name is John Doe
diff --git a/Inheritance/index.ts b/Inheritance/index.ts
new file mode 100644
index 0000000..a352fdb
--- /dev/null
+++ b/Inheritance/index.ts
@@ -0,0 +1,34 @@
+class Name {
+    protected name: string;
+
+    constructor(name: string) {
+        this.name = name;
+    }
+
+    getName() {
+        console.log(`My name is ${this.name}`);
+    }
+
+}
+
+class Fullname extends Name {
+    private lastname: string;
+
+    constructor(name: string, lastname: string) {
+        super(name); // Call the constructor of the parent class
+        this.lastname = lastname;
+    }
+
+    getFullname() {
+        console.log(`My full name is ${this.name} ${this.lastname}`);
+    }
+}
+
+
+// Create instances
+const person = new Fullname("John", "Doe");
+
+
+// Use methods
+person.getName(); // Output: My name is John
+person.getFullname(); // Output: My full name is John Doe