In this article i am gone to share Programming with JavaScript by meta Week 3 | Programming Assignment: Building an object-oriented program Solution with you..

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Lab Instructions: Object Oriented Programming

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Task 1: Code a Person class

• Code a Person class, with three parameters in the constructor: name, age, and energy.
• Set the default parameters in the Person class as follows:

name = "Tom"
age = 20
energy = 100

• Code two methods in the Person class. Name those methods sleep() and doSomethingFun().
• The sleep() method should take the existing energy level and increase it by 10.
• The doSomethingFun() method should take the existing energy level and decrease it by 10.

Task 2: Code a Worker class

• Code a sub-class, inheriting from the Person class, and name it Worker.
• The Worker class has two additional parameters in the constructor:
• xp (for “experience points”)
• hourlyWage.
• These properties are set to the following default values:

xp = 0
hourlyWage = 10

• The Worker class has all the paramerters and methods of its super-class.
• Additionally, it has the goToWork() method, which, whenever it’s run, increases the value of the xp property by 10.

Task 3: Code a intern object

• Inside the intern function instantiate the Worker class to code a new intern object.
• The intern should have the following characteristics:

name: Bob
age: 21
energy: 110
xp: 0
hourlyWage: 10

• Run the goToWork() method on the intern object. Then return the intern object.

Task 4: Code a manager object

• Inside the manager function instantiate the Worker class to code a new manager object.
• The manager object should have the following characteristics:

name: Alice
age: 30
energy: 120
xp: 100
hourlyWage: 30

• Run the doSomethingFun() method on the manager object. Then return the manager object.

Programming Assignment: Building an object-oriented program Solution

• Copy & paste this code on ooprogramming.js File..
• And save your file and then submit.

// Task 1: Code a Person class
class Person{
    constructor(name="Tom", age=20, energy=100) {
        this.name = name;
        this.age = age;
        this.energy = energy;
    }
    sleep() {
        this.energy += 10;
    }
    doSomethingFun() {
        this.energy -= 10;
    }
}

// Task 2: Code a Worker class
class Worker extends Person{
    constructor(name = "Tom", age = 20, energy = 100, xp = 0, hourlyWage = 10) {
        super(name, age, energy)
        this.xp = xp;
        this.hourlyWage = hourlyWage;
    }

    doSomethingFun(){
        super.doSomethingFun;
    }

    sleep() {
        super.sleep;
    }

    goToWork() {
        this.xp += 10;
    }
}


// Task 3: Code an intern object, run methods
function intern() {
    let intern = new Worker();
    intern.name = "Bob";
    intern.age = 21
    intern.energy = 110
    intern.xp = 0
    intern.hourlyWage = 10
    intern.goToWork()
    return (intern);
}

// Task 4: Code a manager object, methods
function manager() {
    let manager = new Worker("Alice", 30, 120, 100, 30);
    manager.doSomethingFun();
    return manager;
    
}

console.log(intern())
console.log(manager())