static void Main(string[] args)
{
Console.Write("Enter a Number: ");
string userInput = Console.ReadLine();
Console.WriteLine("Your Number is: {0}", userInput);
var dictionary = new Dictionary <string, string>();
dictionary["apple"] = "A fruit or a computer company";
Console.WriteLine(dictionary["apple"]);
var someList = new List <int>();
someList.Add(1);
someList.Add(2);
someList.Add(3);
someList.Add(5);
someList.Add(8);
someList.Add(11);
someList.RemoveAt(0);
someList.RemoveAt(2);
for (int i = 0; i < someList.Count; i++)
{
Console.WriteLine(someList[i]);
}
foreach (int number in someList)
{
Console.WriteLine(number);
}
someList.ForEach(number => Console.WriteLine(number));
someList.ForEach(Console.WriteLine);
string[] names = { "John", "Daryl", "Mike", "Sarah", "Michele" };
string[] moreNames = new string[5];
moreNames[0] = "John";
moreNames[1] = "Daryl";
Console.WriteLine("Size of names: {0}\nSize of moreNames: {1}", names.Length, moreNames.Length);
// and so on
string student = "John Smith";
char firstCharacter = student[1];
// ---- Exercise for loops ----
var animals = new List <string>();
animals.Add("Lion");
animals.Add("Tiger");
animals.Add("Bird");
animals.Add("Cat");
animals.Add("Dog");
animals.Add("Leopard");
string favoriteAnimal = "Bird";
foreach (string animal in animals)
{
Console.WriteLine(animal);
}
if (animals.Contains(favoriteAnimal))
{
Console.WriteLine("I love {0} and also every other animal, including {1}", favoriteAnimal, animals[2]);
// same as the above line, but without the placeholder
Console.WriteLine("I love " + favoriteAnimal + "and also every other animal, including " + animals[2]);
}
else
{
Console.WriteLine("No, I don't care for those");
}
// dictionary looping
var person = new Dictionary <string, int>();
person.Add("Joan", 22);
person.Add("Daniel", 42);
person.Add("Anna", 34);
// person = {Joan=22, Daniel=42, Anna=34}
// loop through the hash map and return each key/value pair
for (int i = 0; i < person.Count; i++)
{
Console.WriteLine("Key: {0}, Value: {1}",
person.Keys.ElementAt(i),
person[person.Keys.ElementAt(i)]);
}
foreach (var peep in person)
{
// print out the key (their name) and their value
Console.WriteLine("Name: {0}, Age: {1}", peep.Key, peep.Value);
}
var studentData = new Dictionary <string, string>();
studentData["name"] = "Fred";
studentData["age"] = "20";
studentData["hometown"] = "Seattle";
studentData["favorite_food"] = "Pizza";
Console.WriteLine("This is {0}", studentData["name"]);
Console.WriteLine("They are {0} years old", studentData["age"]);
Console.WriteLine("from {0}", studentData["hometown"]);
Console.WriteLine("and their favorite food is {0}", studentData["favorite_food"]);
var students = new Dictionary <string, Dictionary <string, string> >();
students["Fred"] = new Dictionary <string, string>();
students["Fred"].Add("name", "Fred");
students["Fred"].Add("age", "20");
students["Fred"].Add("hometown", "Seattle");
students["Fred"].Add("favorite_food", "Pizza");
Console.WriteLine("This is {0}", students["Fred"]["name"]);
var students2 = new Dictionary <string, Student>();
var someStudent = new Student("Fred", 20, "Seattle", "Pizza");
students2.Add("Fred", someStudent);
var anotherStudent = new Student("Sally", 21, "Columbus", "Pasta");
students2.Add("Sally", anotherStudent);
var studentWithNoData = new Student();
var sedan = new Car("blue", 4);
sedan.Start();
sedan.Stop();
sedan.Drive();
Console.WriteLine("Car color: {0}", sedan.Color);
Console.WriteLine("Number of Doors: {0}", sedan.NumberOfDoors);
var coup = new Car("red", 2);
var compact = new Car("blue");
Car.Compare(sedan, new Car());
int maxDoors = Car.MAX_DOORS;
coup.Type = CarType.SPORTY;
coup.NumberOfDoors = 4;
if (coup == sedan)
{
Console.WriteLine("not sure how, but a coup and sedan are the same?");
}
if (coup.Equals(sedan))
{
Console.WriteLine("");
}
Console.WriteLine(coup.ToString());
var vehicle = new Vehicle();
var genericAnimal = new Animal(0, "amoeba");
genericAnimal.Announce();
var bear = new Bear(1, "Yogi", 9999);
bear.Announce();
var vehicles = new List <Vehicle>();
vehicles.Add(new Truck());
vehicles.Add(sedan);
vehicles.Add(coup);
vehicles.Add(compact);
var vehicles2 = new List <IVehicle>();
var rallyCar = new RallyCar();
vehicles2.Add(new Truck());
vehicles2.Add(new Motorcycle());
vehicles2.Add(sedan);
vehicles2.Add(coup);
vehicles2.Add(compact);
vehicles2.Add(rallyCar);
var crossOver = new CrossOver();
// this won't work, because crossover doesn't implement
// the IVehicle interface
//vehicles2.Add(crossOver);
foreach (var v in vehicles2)
{
v.Accelerate(10);
}
Drive(rallyCar);
Drive(sedan);
Drive(new Truck());
var pupil = new Student("John Smith", 19, "Columbus", "Pizza");
var teacher = new Teacher("Jane Doe", 31);
PrintInfo(pupil);
PrintInfo(teacher);
// Page 21 in interfaces and extension methods example
Console.WriteLine("-----------------------");
}
static void Main(string[] args)
{
Console.Write("Enter a Number: ");
string userInput = Console.ReadLine();
Console.WriteLine("Your Number is: {0}", userInput);
var dictionary = new Dictionary <string, string>();
dictionary["apple"] = "A fruit or a computer company";
Console.WriteLine(dictionary["apple"]);
var someList = new List <int>();
someList.Add(1);
someList.Add(2);
someList.Add(3);
someList.Add(5);
someList.Add(8);
someList.Add(11);
someList.RemoveAt(0);
someList.RemoveAt(2);
for (int i = 0; i < someList.Count; i++)
{
Console.WriteLine(someList[i]);
}
foreach (int number in someList)
{
Console.WriteLine(number);
}
someList.ForEach(number => Console.WriteLine(number));
someList.ForEach(Console.WriteLine);
string[] names = { "John", "Daryl", "Mike", "Sarah", "Michele" };
string[] moreNames = new string[5];
moreNames[0] = "John";
moreNames[1] = "Daryl";
Console.WriteLine("Size of names: {0}\nSize of moreNames: {1}", names.Length, moreNames.Length);
// and so on
string student = "John Smith";
char firstCharacter = student[1];
// ---- Exercise for loops ----
var animals = new List <string>();
animals.Add("Lion");
animals.Add("Tiger");
animals.Add("Bird");
animals.Add("Cat");
animals.Add("Dog");
animals.Add("Leopard");
string favoriteAnimal = "Bird";
foreach (string animal in animals)
{
Console.WriteLine(animal);
}
if (animals.Contains(favoriteAnimal))
{
Console.WriteLine("I love {0} and also every other animal, including {1}", favoriteAnimal, animals[2]);
// same as the above line, but without the placeholder
Console.WriteLine("I love " + favoriteAnimal + "and also every other animal, including " + animals[2]);
}
else
{
Console.WriteLine("No, I don't care for those");
}
// dictionary looping
var person = new Dictionary <string, int>();
person.Add("Joan", 22);
person.Add("Daniel", 42);
person.Add("Anna", 34);
// person = {Joan=22, Daniel=42, Anna=34}
// loop through the hash map and return each key/value pair
for (int i = 0; i < person.Count; i++)
{
Console.WriteLine("Key: {0}, Value: {1}",
person.Keys.ElementAt(i),
person[person.Keys.ElementAt(i)]);
}
foreach (var peep in person)
{
// print out the key (their name) and their value
Console.WriteLine("Name: {0}, Age: {1}", peep.Key, peep.Value);
}
var studentData = new Dictionary <string, string>();
studentData["name"] = "Fred";
studentData["age"] = "20";
studentData["hometown"] = "Seattle";
studentData["favorite_food"] = "Pizza";
Console.WriteLine("This is {0}", studentData["name"]);
Console.WriteLine("They are {0} years old", studentData["age"]);
Console.WriteLine("from {0}", studentData["hometown"]);
Console.WriteLine("and their favorite food is {0}", studentData["favorite_food"]);
var students = new Dictionary <string, Dictionary <string, string> >();
students["Fred"] = new Dictionary <string, string>();
students["Fred"].Add("name", "Fred");
students["Fred"].Add("age", "20");
students["Fred"].Add("hometown", "Seattle");
students["Fred"].Add("favorite_food", "Pizza");
Console.WriteLine("This is {0}", students["Fred"]["name"]);
var students2 = new Dictionary <string, Student>();
var someStudent = new Student("Fred", 20, "Seattle", "Pizza");
students2.Add("Fred", someStudent);
var anotherStudent = new Student("Sally", 21, "Columbus", "Pasta");
students2.Add("Sally", anotherStudent);
var studentWithNoData = new Student();
var sedan = new Car("blue", 4);
sedan.Start();
sedan.Stop();
sedan.Drive();
Console.WriteLine("Car color: {0}", sedan.Color);
Console.WriteLine("Number of Doors: {0}", sedan.NumberOfDoors);
var coup = new Car("red", 2);
var compact = new Car("blue");
Car.Compare(sedan, new Car());
int maxDoors = Car.MAX_DOORS;
coup.Type = CarType.SPORTY;
coup.NumberOfDoors = 4;
if (coup == sedan)
{
Console.WriteLine("not sure how, but a coup and sedan are the same?");
}
if (coup.Equals(sedan))
{
Console.WriteLine("");
}
Console.WriteLine(coup.ToString());
var vehicle = new Vehicle();
var genericAnimal = new Animal(0, "amoeba");
genericAnimal.Announce();
var bear = new Bear(1, "Yogi", 9999);
bear.Announce();
var vehicles = new List <Vehicle>();
vehicles.Add(new Truck());
vehicles.Add(sedan);
vehicles.Add(coup);
vehicles.Add(compact);
var vehicles2 = new List <IVehicle>();
var rallyCar = new RallyCar();
vehicles2.Add(new Truck());
vehicles2.Add(new Motorcycle());
vehicles2.Add(sedan);
vehicles2.Add(coup);
vehicles2.Add(compact);
vehicles2.Add(rallyCar);
var crossOver = new CrossOver();
// this won't work, because crossover doesn't implement
// the IVehicle interface
//vehicles2.Add(crossOver);
foreach (var v in vehicles2)
{
v.Accelerate(10);
}
Drive(rallyCar);
Drive(sedan);
Drive(new Truck());
var pupil = new Student("John Smith", 19, "Columbus", "Pizza");
var teacher = new Teacher("Jane Doe", 31);
PrintInfo(pupil);
PrintInfo(teacher);
// Page 21 in interfaces and extension methods example
Console.WriteLine("-----------------------");
var dbMigrator = new DbMigrator(new ConsoleLogger());
var dbMigrator2 = new DbMigrator(new FileLogger("migrator.log"));
dbMigrator.Migrate();
dbMigrator2.Migrate();
Console.WriteLine("-----------------------");
// event stuff (week 6 day 2)
ProcessBusinessLogic bl = new ProcessBusinessLogic();
bl.ProcessCompleted += bl_ProcessCompleted; // register with an event
bl.ProcessCompleted += bl_ProcessUpdated;
bl.StartProcess();
var myProcess = new PhotoProcessor();
var filters = new PhotoFilters();
Action <Photo> filterHandler = filters.ApplyContrast;
filterHandler += filters.ApplyBrightness;
filterHandler += RemoveRedEyeFilter;
myProcess.Process("pic.jpg", filterHandler);
// lambda function takes in a number and then squares it
Func <int, int> squareFunction = num => num * num;
// in our case, it passes in 3 and returns 9
Console.WriteLine(squareFunction(3));
const int factor = 5;
Func <int, int> multiplier = num => num * factor;
int result = multiplier(10);
Console.WriteLine(multiplier(6));
Console.WriteLine(result);
Func <int, int, int, double> pythagoreanTheorem
= (a, b, c) => Math.Pow(a, 2) + Math.Pow(b, 2) + Math.Pow(c, 2);
double result2 = pythagoreanTheorem(1, 2, 3);
Console.WriteLine(pythagoreanTheorem(2, 3, 4));
Console.WriteLine(result2);
var library = new BookRepository();
List <Book> books = library.Books;
List <Book> cheapBooks = books.FindAll(book => book.Price < 10);
foreach (var book in cheapBooks)
{
Console.WriteLine(book.Title);
}
Console.ReadKey();
}
