js - ES6

// whenever object is created  , constructor is automatically called

class Employee {

  constructor(givenName, givenExperience, givenDivision) {

    this.name = givenName;

    this.experience = givenExperience;

    this.division = givenDivision;

  }

  slogan() {

    return `my name is ${this.name}`;

  }

  static add(a, b) {

    return a + b;

  }

}

// creating object of Employee class

e = new Employee("himanshu", 45, "A&C");

// console.log(e);

// console.log(e.name);

// console.log(e.experience);

// console.log(e.slogan());

// console.log(Employee.add(5, 5));

class Programmer extends Employee {

  constructor(givenName, givenExperience, givenDivision, givenLanguage) {

    super(givenName, givenExperience, givenDivision);

    this.language = givenLanguage;

  }

  favoriteLanguage() {

    if (this.language == "Python")

      return `good programmer with exp ${this.experience}`;

    else 

      return `${this.name} is a bad programmer`;

  }

  static multiply(a, b) {

    return a * b;

  }

}

p = new Programmer("Piyush", 34, "DD", "Go");

console.log(p);

console.log(p.favoriteLanguage())

console.log(Programmer.multiply(3, 4));