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+// JS is an object oriented programming language
+// Class is like an object constructor => 'blueprint' for creating objects
+
+// with a class blueprint we can create many instances of objects and not have to rewrite code 
+
+//define class example
+class Person {
+    // class constructor used to pass different properties for the class
+    constructor(fName, lName, age, country = 'U.S.A', city = 'Austin'){ // can set default values for props if none are entered
+        //this refers to the Person class object
+        //console.log(this); // Person {}
+        this.fName = fName; // creates a new key for the object
+        this.lName = lName;
+        this.age = age;
+        this.country = country;
+        this.city = city;
+        this.score = 0; // can set intial values for properties
+        this.skills = [];
+    }
+    getFullName() { // cant create Class methods inside of the class object
+        const fullName = `${this.fName} ${this.lName}`;
+        return fullName;
+    }
+    get getScore(){ // use getter to access value from the object
+        return this.score;
+    }
+    set setSkills(skills){ // use setter to modify value of property
+        this.skills.push(skills)
+    }
+    setScore(score){ // or create a function to modify a value of property 
+        this.score += score 
+    }
+    static sayHello(){ // static keyword defines a static method for a class, they are called on the class itself.
+        return 'Hello';
+    }
+}
+
+// can use inheritance to access properties and methods from a parent class
+// reduces repetition of code 
+class Student extends Person{
+    // in order to customize the Student class methods or add extra properties, need to use constructor here as well
+    constructor(fName, lName, age, country = 'U.S.A', city = 'Austin', gender = 'Male'){ // here we add gender, Parent class does not have this
+        //need to call super function and pass it all the properties of the Parent class
+        super(fName, lName, age, country, city);
+        this.gender = gender;
+    }
+    get getGender(){
+        return this.gender;
+    }
+    static whoAmI(){
+        console.log('I am the child of the Person class');
+    }
+}
+
+//instantiate a class
+const person1 = new Person('Jacob', 'Hart', 23, 'Italy', 'Rome'); // pass in values for properties of firstname and lastname, age, country, city
+
+console.log(person1);
+console.log(person1.getFullName());
+person1.setScore(2);
+person1.setSkills = 'HTML'
+person1.setSkills = 'JavaScript'
+person1.setSkills = 'CSS'
+console.log(person1.score, person1.skills)
+console.log(person1.getScore) // retrieve score using getter method
+console.log(Person.sayHello()) // call the static function on the class and NOT on the instance of the class
+
+const student1 = new Student('Billy', 'Bob', 18, 'France', 'Paris')
+console.log(student1);
+Student.whoAmI();
+student1.setScore(30);
+student1.setSkills = 'Python'
+console.log(student1.getScore, student1.skills)
+const student2 = new Student('Lidiya', 'Tekle', 28, 'Finland', 'Helsinki', 'Female')
+console.log(student2.getFullName() + ': '+ student2.getGender) // gave gender as Female
+console.log(student1.getFullName() + ': '+ student1.getGender) // Default to Male since gender never given
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