Haffshah

// Error compiling to JavaScript:
// unsupported import: dart:io   in DartPad
  // Also dart:io is not supported into  DartPad. 
  // Dart:io  is also not supported into Web Browser you have to run it Like mobile app only
  // Also you can use other tool as well Named  JDoodle : "https://www.jdoodle.com/execute-dart-online/"

import 'dart:io';

void main() {
  int number;

Haffshah

import 'dart:io';

void main(){
    int n= 5;
    for(int i = 1 ; i<=n; i++)
    {
        for(int j =i; j<n ;j++)
        {
            stdout.write(" ");
        }

Haffshah

// Types of Arithmetic Operator
// Plus +
// Minus -
// Multiplication *
// Division /   with Default return type as Double
// Division ~/  with Return tyoe as Int
// -(operand) Unary Minus

void main() {
  print("Example of Arithmetic operators => \n");

Haffshah

// Assignment Operator in Dart
void main() {
  print("Example of Equality & Logical operators => \n");

  ///Function Calling
  Compare();
}

//Function for adding three variables
void Compare() {

Haffshah

// Types OF Comparision Operators
//  Greator Than >
//  Less Than <
//  Greator Than Equal to >=
//  Less Than Equal to <=


//main Method

void main() {

Haffshah

// Types of Increment & Decrement Oprators
    // +=
    // -=
    // *=
    // /=
    // (operand++)
    // (operand--)
    // (++operand)
    // (--operand)

Haffshah

// Different types of loops in Dart
// while Loop
// Do While Loop
// For loop
// For In or For Each Loop


void main() {
  //Function Calling
  whileLoop();

Haffshah

void main() {
  fullName("Harsh", "Shah"); // first Name , Last Name will Print
  fullName("Harsh", "Shah",
      "Software Developer"); //Titel, first,last name will prints

  List vehical = ['Car', 'Bike', 'Cycle', 'Truck']; //list of strings
  List vehical1 = ['Ship', 'Aeroplane', 'Rocket', 'Helicopter'];

  final numbers = [42, -1, 299792458, 100]; // list of integers

Haffshah

// Use of Ansynchronous Function adn Opration in Dart
// A future represents the result of an asynchronous operation
// it's have two states: uncompleted or completed.
// To define an async function, add async before the function body
// The await keyword works only in async functions

Future<String> createOrderMessage() async {
  var order = await fetchUserOrder();

  return 'Your order is: $order'; // pizza

Haffshah

// Definition : PFA Array Of Student name, by using dart pad divide all students into group of 4.

// final List<String> studentArr = <String>[
// 'Kalpit Seksariya',
// 'Gaurang Gajera',
// 'Bollam saiprakash',
// 'Dhruv Vaghela',
// 'Jaydeep Dhamecha',
// 'Jigar Pandya',
// 'Riddhi Bhavsar',