// 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();
console.log(`Your current speed is ${ist.getSpeed()}Km/h`);
ist.accelarate();
console.log(`Your current speed is ${ist.getSpeed()}Km/h`);
ist.accelarate();
console.log(`Your current speed is ${ist.getSpeed()}Km/h`);
ist.accelarate();
console.log(`Your current speed is ${ist.getSpeed()}Km/h`);
ist.accelarate();
console.log(`Your current speed is ${ist.getSpeed()}Km/h`);
ist.accelarate();
console.log(`Your current speed is ${ist.getSpeed()}Km/h`);
ist.accelarate();
console.log(`Your current speed is ${ist.getSpeed()}Km/h`);
ist.accelarate();
console.log(`Your current speed is ${ist.getSpeed()}Km/h`);
ist.accelarate();
console.log(`Your current speed is ${ist.getSpeed()}Km/h`);
ist.accelarate();
console.log(`Your current speed is ${ist.getSpeed()}Km/h\n`);
ist.accelarate();
ist.brake();
console.log(`\nYou reduce speed to ${ist.getSpeed()}Km/h`);
ist.brake();
console.log(`You reduce speed to ${ist.getSpeed()}Km/h`);
ist.brake();
console.log(`You reduce speed to ${ist.getSpeed()}Km/h`);
ist.brake();
console.log(`You reduce speed to ${ist.getSpeed()}Km/h`);
ist.brake();
console.log(`You reduce speed to ${ist.getSpeed()}Km/h`);
ist.brake();
console.log(`You reduce speed to ${ist.getSpeed()}Km/h`);
ist.brake();
console.log(`You reduce speed to ${ist.getSpeed()}Km/h`);
ist.brake();
console.log(`You reduce speed to ${ist.getSpeed()}Km/h`);
ist.brake();
console.log(`You reduce speed to ${ist.getSpeed()}Km/h`);
ist.brake();
console.log(`You reduce speed to ${ist.getSpeed()}Km/h\n`);
ist.brake();
console.log("Happy Ending, Deal Done😀😀\n");
