Chinecherem20199

void main() {
  
  //Exercise 3
  
  //Question 1
  
  //Use the declared variables below to decide whether or not a person is eligible to rent movies
  //A person is eligible when the age is more than 20 and the person can show his/her ID 
  //An example printout: Eligible to rent movies? false
  

Chinecherem20199

void main() {
  var values = [1, 2, 3, 4, 5, 6, 7, 8, 9];
  var newVlues = <int>[];
  void Function(int) multiply5 = (value) => newVlues.add(value * 5);
  listOperation(values, multiply5);
  print(newVlues);
}

void listOperation(List<int> list, void Function(int) action) {
  for (var item in list) {

Chinecherem20199

void main() {
  var values = [1, 2, 3, 4, 5, 6, 7, 8, 9];
  var newVlues = <int>[];
  var multiply5 = (int value) => newVlues.add(value * 5);
  listOperation(values, multiply5);
  print(newVlues);
}

void listOperation(List<int> list, void Function(int) action) {
  for (var item in list) {

Chinecherem20199

//typedef is a keyword
typedef Action = void Function(int);

void main() {
  var values = [1, 2, 3, 4, 5, 6, 7, 8, 9];
  var newVlues = <int>[];
  void Function(int) multiply5 = (value) => newVlues.add(value * 5);
  listOperation(values, multiply5);
  print(newVlues);
}

Chinecherem20199

void main() {
  var doubleValues = [10.2, 2.2, 3.0, 4.5, 5.5, 6.0, 7.4, 80.0, 9.0];
  var stringValues = ['@','*', '&' ];
  
  var newDoubleVlues = <double>[];
  var newStringValue = <String>[];
  
  //listOperation(doubleValues, (double val) => newDoubleValues.add(val *3));
  listOperation(doubleValues,(double val) => newDoubleVlues.add(val * 5));
  listOperation(stringValues,(String val)=> newStringValue.add(val * 2));

Chinecherem20199

void main() {
  var doubleValues = [10.2, 2.2, 3.0, 4.5, 5.5, 6.0, 7.4, 80.0, 9.0];
  var stringValues = ['@','*', '&' ];
  
  var newDoubleVlues = <double>[];
  var newStringValue = <String>[];
  
  //listOperation(doubleValues, (double val) => newDoubleValues.add(val *3));
  listOperation(doubleValues,(double val) => newDoubleVlues.add(val * 5));
  listOperation(stringValues,(String val)=> newStringValue.add(val * 2));

Chinecherem20199

void main() {
  final list = [10, 20, 33];
  // for (var item in list) {
  //   print(item);
  // }
  //forEach
  list.forEach((item) => print(item));
  list.forEach(print);

  //Map Function

Chinecherem20199

//use classes to define new type
//we are used to int, String, bool, List, Map, Set, Function
//classes - blueprint for objects
//object - container that holds some data (functionality in manipulate the data)
void main() {
  var myHouse = House(nuOfWindows: 8, nuOfDoors: 4, typesOfWalls: 'Brick', typesOfRoof:'Tile');
  // myHouse.nrOfDoors = 10;
  //
  // print(myHouse.nrOfDoors);
  myHouse.printHouses();

Chinecherem20199

import 'dart:math';

void main() {
  
  loveCalculator();
}

void loveCalculator(){
  int loveScore = Random().nextInt(100) + 1;
  print(loveScore);

Chinecherem20199

import 'package:flutter/material.dart';

const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override