tailorvj

main() {
  Set<String> names = {'Rita', 'Alex', 'Sam', 'Eva'};
  var persons = <String>{}; //inferred type Set

  print('persons: $persons');
  print('persons.length is ${persons.length}');
  print('persons Type is ${persons.runtimeType}\n');

  print('names: $names');
  print('names.length is ${names.length}');

tailorvj

main() {
  Set<String> nameSet = {'Rita', 'Alex', 'Sam', 'Eva'};

  print('nameSet.contains(\'Sam\'): ${nameSet.contains('Sam')}\n');
  
  nameSet.forEach((element){
    print('element: $element');
  });
  
  nameSet.clear();

tailorvj

main() {
  Set<String> nameSet = {'Rita', 'Alex', 'Sam', 'Eva'};
  print('nameSet: $nameSet\n'); //{Rita, Alex, Sam, Eva}
  
  List<String> nameList = nameSet.toList();
  print('nameList: $nameList\n'); //[Rita, Alex, Sam, Eva]
  
  Set<String> nameSet2 = nameList.toSet();
  print('nameSet2: $nameSet2\n'); //{Rita, Alex, Sam, Eva}
}

tailorvj

main() {
  var dividesBy2 = <int>{2,4,6,8,10,12,14,16,18,20};
  var dividesBy3 = <int>{3,6,9,12,15,18,21};

  var dividesBy6 = dividesBy2.intersection(dividesBy3);
  print('dividesBy6: $dividesBy6\n');

  var doesntDivideBy6 = dividesBy2.difference(dividesBy3);
  print('doesntDivideBy6: $doesntDivideBy6\n');
  

tailorvj

main() {
  var list = ['Alpha', 'Beta', 'Gamma', 'Delta', 'Epsilon'];
  for (var item in list){
    print('${list.indexOf(item)}: $item');
  }
}

tailorvj

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

/// This Widget is the main application widget.
class MyApp extends StatelessWidget {

@override
  Widget build(BuildContext context) {
    return MaterialApp(

tailorvj

void main(){
  Map<String, int> scores = {'Bob': 300};
  print('Initial state of the scores Map: $scores');

  for (var key in ['Bob', 'Rohan', 'Sophena']) {
    scores.putIfAbsent(key, () => key.length);
  }

  for (MapEntry entry in scores.entries){
    print('scores[\'${entry.key}\']: ${entry.value}');

tailorvj

void main(){
  Map map1 = {1: 'one', 2: 'two'};
  Map map2 = {3: 'three', 4: 'four'};
  Map map3 = {...map1, ...map2};
  print('map1: $map1');
  print('map2: $map2');
  print('map3: $map3');
}

tailorvj

void main(){
  FullName myName = FullName('Tailor', 'VJ');
  print(myName);
}

class FullName{
  String firstName;
  String lastName;
  FullName(this.firstName, this.lastName);
  String toString(){

tailorvj

void main() {
  List<FullName> fullNamesList = [FullName('Abe','Lincoln'),   FullName('Babe', 'Ruth'), FullName('Carry', 'Bradshaw'),];
  print ('fullNamesList:\n${fullNamesList.toString()}\n');
  
  fullNamesList.sort((a,b) => a.lastName.compareTo(b.lastName));
  print ('fullNamesList after sort by lastName:\n$fullNamesList\n');
  
  fullNamesList.sort((a,b) => a.firstName.compareTo(b.firstName));
  print ('fullNamesList after sort by firstName:\n$fullNamesList\n');  
}