Wed_15_Jan_Assigment

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// Question 1

// Create a BankAccount class with the following :

// - A constructor that accept account holder's name, account number and balance

// - A deposit method that increases the balance

// - A withdraw method that decreases the balance, but only if there are sufficient funds

// - A getBalance method that returns the current balance

console.log("Happy Coding🎇\n");

class BankAccount{

constructor(accountName, accountNumber, balance){

this.accountName = accountName;

this.accountNumber = accountNumber;

this.balance = balance;

}

deposit(amount){

if(amount>0){

this.balance += amount;

const maskedAccount = this.accountNumber.slice(-3).padStart(this.accountNumber.length, 'X');

console.log(`Kiasi cha TZS ${amount} kimewekwa kikamlifu kwenye akaunti yako ${maskedAccount}. \nSalio lako jipya ni ${this.balance} \n`);

}else{

console.log("You can not deposit negative amount\n");

}

withdraw(amount){

if(amount>0){

if(amount<this.balance){

this.balance -= amount;

const maskedAccount = this.accountNumber.slice(-3).padStart(this.accountNumber.length, 'X');

console.log(`Umetoa kikamilifu TZS ${amount} kwenye Akaunti yako ${maskedAccount}.\n Salio lako jipya ni TZS ${this.balance} \n`);

}else{

console.log("Insufficient balance to withdraw\n")

}

}else{

console.log("You can not deposit negative amount\n");

}

getBalance(){

return this.balance;

}

const bry = new BankAccount("Bryson Mmari", "45234565798", 10000)

bry.deposit(5000)

bry.withdraw(3000)

console.log(`Salio la Akaunti yako ni TZS ${bry.getBalance()}\n`);

// Question 2

// Create a Person class with properties for name and age, and a method greet() that prints a greeting.

// Then create a Student class that extends Person, adding a course property and a method study() that

// prints what the student is studying.

class Person {

constructor(name, age){

this.name = name;

this.age = age;

}

greet(){

console.log(`Hi!, I am ${this.age} years old, and My name is ${this.name}\n`);

}

class Student extends Person{

constructor(name, age, course){

super(name, age);

this.course = course;

}

study(){

console.log (`A ${this.course} student.\n`);

}

const bryson = new Student ('Bryson Mmari', '24', 'Computer Ethics');

bryson.greet();

bryson.study();

// #Question3

// Create a Car class with:

// - A private property _speed.

// - Methods accelerate and brake to increase or decrease speed.

// - A getSpeed method to retrieve the current speed.

// - Ensure the speed doesn’t go below 0 or above 200.

class Car {

#speed = 0;

accelarate(){

if(this.#speed<200){

this.#speed+=20;

}else{

console.log("You exceed the speed limit of 200Km/h\n");

}

brake(){

if(this.#speed>0){

this.#speed-=20;

}else{

console.log("You can not drive under minimum speed limit of 0Km/h\n");

}

getSpeed(){

return this.#speed;

}

const ist = new Car();

ist.accelarate();