muchirijane

// This are the different data types in data language
void main() {
  String a = 'Hello';
  
  int b = 123;
  
  
  dynamic c = 'Hello';
   c = 123;
  

muchirijane

//This is how to generate a rondom number in Dart
// The integer will be from 1 - 6 since i added (+1) 

import 'dart:math';
void main() {
  
  int randomNumber = Random().nextInt(6) + 1;
  
  print(randomNumber);
 

muchirijane

void main() {
  List<String> myList = [
    'Charles',
    'James',
    'Bella',
    'Jack',
  ];
  
  //print(myList[3]);
  

muchirijane

//Challenge: Without changing the main() function, can you make this code work and get the result printed in the console?

void main() {
  
 int step1Result = add(n1: 5, n2: 9);
  print(step1Result);
  
 int step2Result = multiply(step1Result, 5);
  
 double finalResult = step2Result / 3;

muchirijane

// If and Else statement in dart
    // Symbols used:
// == is equal to
// !  is not equal to
// > is greater than
// < is less than
// >= is greater or equal to
// && AND
// ||  OR
// !   NOT

muchirijane

void main(){
  
  Human jenny = Human(startingHeight: 15);
  
  jenny.talk('Mommy');
  
  print(jenny.height);
  
//   Human james = Human(20);
  

muchirijane

// INHERITANCE AND POLYMORPHISM
void main(){
  //Car myCar = Car();
  
//   myCar.drive();
//   print (myCar.numberOfSeats);
  
//   ElectricCar myNewCar = ElectricCar ();
  
//   print(myNewCar.numberOfSeats);

muchirijane

// All about class construtor and how to use this.
void main(){
  
  Human jenny = Human(height: 15, weight: 3.4);
  
  //jenny.talk('Mommy');
  
  print(jenny.height);
  print(jenny.weight);
  

muchirijane

//How to use enum
void main () {
  
  Car myCar = Car(carStyle: CarType.convertable);
  
  print(myCar);
  
}
class Car {

muchirijane

//How to use ternary operators
void main () {
  
 int myAge = 21;
  
  bool canIDrink = myAge >= 21 ? true : false;
  
  print(canIDrink);
  
}