using System;
public abstract class Shape
{
private string myID;
public Shape(string s)
{
id = s;
}
public string id
{
get
{
return myID;
}
set
{
myID = value;
}
}
public abstract double Area
{
get;
}
public override string ToString()
{
return "ID: " + myID + string.Format("\t, Area: {0:F2} cm2",Area);
}
}
public class Test
{
static void Main(string[] args)
{
Shape[] shapes =
{
new Square("Square #1", 10),
new Circle("Circle #1", 10),
new Rect("Rect #1", 20, 10),
new Square("Square #2", 20),
new Circle("Circle #2", 20),
new Rect("Rect #2", 30, 20)
};
foreach(Shape s in shapes)
{
Console.WriteLine(s);
}
}
}
public class Square : Shape
{
private int myLength;
public Square(string id, int length) :base(id)
{
LENGTH = length;
}
public int LENGTH
{
get
{
return myLength;
}
set
{
myLength = value;
}
}
public override double Area
{
get
{
return myLength * myLength;
}
}
}
public class Circle : Shape
{
private int myRadius;
public Circle(string id, int rad) :base(id)
{
RAD = rad;
}
public int RAD
{
get
{
return myRadius;
}
set
{
myRadius = value;
}
}
public override double Area
{
get
{
return System.Math.PI * myRadius * myRadius;
}
}
}
public class Rect : Shape
{
private int myLen;
private int myWid;
public Rect(string id, int len, int wid) :base(id)
{
LEN = len;
WID = wid;
}
public int LEN
{
get
{
return myLen;
}
set
{
myLen = value;
}
}
public int WID
{
get
{
return myWid;
}
set
{
myWid = value;
}
}
public override double Area
{
get
{
return myLen * myWid;
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Test_2
{
interface ICar
{
void beeb();
void getSpeed();
void getColor();
}
class BMW : ICar
{
public void ssss() { }
public void beeb()
{
Console.WriteLine("BMW = KHOSH BEEB ILEEHA");
}
public void getSpeed()
{
Console.WriteLine("BMW = 300");
}
public void getColor()
{
Console.WriteLine("BMW = White");
}
}
class KIA : ICar
{
public void beeb()
{
Console.WriteLine("KIA = MOZIEG BEEBHA HEEL");
}
public void getSpeed()
{
Console.WriteLine("KIA = 150");
}
public void getColor()
{
Console.WriteLine("KIA = Gray");
}
}
class Audi : ICar
{
public void beeb()
{
Console.WriteLine("Audi = QAOEY BEEBHA");
}
public void getSpeed()
{
Console.WriteLine("Audi = 180");
}
public void getColor()
{
Console.WriteLine("Audi = Black");
}
}
class TOYOTA : ICar
{
public void beeb()
{
Console.WriteLine("TOYOTA = BEEBHA HEEBA");
}
public void getSpeed()
{
Console.WriteLine("TOYOTA = 200");
}
public void getColor()
{
Console.WriteLine("TOYOTA = Blue");
}
}
class HYUNDAI : ICar
{
public void beeb()
{
Console.WriteLine("HYUNDAI = BEEBHA RAQY");
}
public void getSpeed()
{
Console.WriteLine("HYUNDAI = 240");
}
public void getColor()
{
Console.WriteLine("HYUNDAI = Yellow");
}
}
class Program
{
public static ICar Factory(int Fct)
{
if (Fct == 1)
{
return new BMW();
}
else if (Fct == 2)
{
return new KIA();
}
else if (Fct == 3)
{
return new Audi();
}
else if (Fct == 4)
{
return new TOYOTA();
}
else if (Fct == 5)
{
return new HYUNDAI();
}
return null;
}
static void Main(string[] args)
{
int x = 11;
if (x > 0 && x < 6)
{
ICar car = Factory(x);
Console.WriteLine(car);
if (car.GetType() == typeof(BMW))
{
BMW dd = (BMW)car;
dd.beeb();
dd.getColor();
dd.getSpeed();
}
else if (car.GetType() == typeof(KIA))
{
KIA dd = (KIA)car;
dd.beeb();
dd.getColor();
dd.getSpeed();
}
else if (car.GetType() == typeof(Audi))
{
Audi dd = (Audi)car;
dd.beeb();
dd.getColor();
dd.getSpeed();
}
else if (car.GetType() == typeof(TOYOTA))
{
TOYOTA dd = (TOYOTA)car;
dd.beeb();
dd.getColor();
dd.getSpeed();
}
else if (car.GetType() == typeof(HYUNDAI))
{
HYUNDAI dd = (HYUNDAI)car;
dd.beeb();
dd.getColor();
dd.getSpeed();
}
}
else {
Console.WriteLine("THE Number Is Invalid");
}
Console.ReadKey();
}
}
}
using System;
class mainclass
{
public static void Main(string[] args)
{
int num01;
int num02;
Console.Write("type a number: ");
num01 = Convert.ToInt32(Console.ReadLine() );
Console.Write("type a number: ");
num02 = Convert.ToInt32(Console.ReadLine() );
Console.Write(+num01*num02);
}
}
using System.Collections.Generic;
using System.IO;
using System;
class Program
{
//Criado para representar um caso de teste, criei uma classe para isso porque essa versão do c# não aceitou TUPLA
private class CaseTest
{
//Lista para processamento
public List<int> Lista {get; set;}
//Valor esperado (correto) para uma caso especifico
public int ExpectedResult{get; set;}
}
//Solucao -> O(n)
private static int GetMaxSum (List<int> lista)
{
int firstLargestNumber = lista[0] > lista[1] ? lista[0] : lista[1];
int secondLargestNumber = lista[0] > lista[1] ? lista[1] : lista[0];
int listaLength = lista.Count;
for (int i = 2; i < listaLength; i++)
{
//Caso o valor atual seja maior que o maior valor já processado
if(lista[i] > firstLargestNumber){
//O antigo maior valor agora é o segundo
secondLargestNumber = firstLargestNumber;
//Atualizamos o maior valor
firstLargestNumber = lista[i];
}
//Caso o elemento atual seja maior que o segundo, mas não seja maior que o primeiro (a clausura If else if, garantira que apenas uma das 2 condições seja chamada)
else if(lista[i] > secondLargestNumber)
secondLargestNumber = lista[i];
}
return secondLargestNumber + firstLargestNumber;
}
private static void unitTests()
{
// Casos de teste. Para testar funcionalidade inserir casos de teste
List<CaseTest> caseTests = new List<CaseTest>()
{
new CaseTest {Lista = new List<int> () {1, 10, 3, 7, 9}, ExpectedResult = 19},
new CaseTest {Lista = new List<int> () {-2, 1, -1, 0}, ExpectedResult = 1},
new CaseTest {Lista = new List<int> () {-4, 20, 4}, ExpectedResult = 24},
new CaseTest {Lista = new List<int> () {-4, 2}, ExpectedResult = -2},
new CaseTest {Lista = new List<int> () {-51, 20, 31}, ExpectedResult = 51},
new CaseTest {Lista = new List<int> () {31, 20, 31}, ExpectedResult = 62},
new CaseTest {Lista = new List<int> () {12, 3, 45, 65, -70}, ExpectedResult = 110},
new CaseTest {Lista = new List<int> () {10, -15, 20, -30}, ExpectedResult = 30},
new CaseTest {Lista = new List<int> () {-20, 2, 10, 15}, ExpectedResult = 25},
new CaseTest {Lista = new List<int> () {0, 0}, ExpectedResult = 0},
};
foreach (CaseTest actualCaseTest in caseTests)
{
int calculatedValue = GetMaxSum(actualCaseTest.Lista);
if(calculatedValue != actualCaseTest.ExpectedResult)
Console.WriteLine("ERRO, Valor esperado : {0}, Valor calculado : {1} para lista : {2}", actualCaseTest.ExpectedResult, calculatedValue, string.Join(", ", actualCaseTest.Lista));
else
Console.WriteLine("SUCCESS, Valor esperado : {0}, Valor calculado : {1} para lista : {2}", actualCaseTest.ExpectedResult, calculatedValue, string.Join(", ", actualCaseTest.Lista));
}
}
static void Main()
{
//Teste Unitarios
unitTests();
}
}
using System;
namespace RectangleApplication {
class Rectangle {
//member variables
private double length;
private double width;
public void Acceptdetails() {
Console.WriteLine("Enter Length: ");
length = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Enter Width: ");
width = Convert.ToDouble(Console.ReadLine());
}
public double GetArea() {
return length * width;
}
public void Display() {
Console.WriteLine("Length: {0}", length);
Console.WriteLine("Width: {0}", width);
Console.WriteLine("Area: {0}", GetArea());
}
}//end class Rectangle
class ExecuteRectangle {
static void Main(string[] args) {
Rectangle r = new Rectangle();
r.Acceptdetails();
r.Display();
Console.ReadLine();
}
}
}
using System;
using System.Threading;
class Program
{
static Mutex mutexObj = new Mutex();
static int x=0;
static void Main(string[] args)
{
for (int i = 1; i < 7; i++)
{
Thread myThread = new Thread(Count);
myThread.Name = "Thread " + i.ToString();
myThread.Start();
}
Console.ReadLine();
}
public static void Count()
{
mutexObj.WaitOne();
x = 1;
for (int i = 1; i < 3; i++)
{
Console.WriteLine("{0}: {1}", Thread.CurrentThread.Name, x);
x++;
Thread.Sleep(100);
}
mutexObj.ReleaseMutex();
}
}
using System.IO;
using System;
using static System.Console;
namespace LINQ
{
public class Book
{
public string Title{get;set;}
public float Price{get;set;}
}
public class BookRepository
{
public IENumberable<Book> GetBooks()
{
return new List<Book>
{
new Book() {Title = "Book 1", Price = 1},
new Book() {Title = "Book2", Price = 2},
new Book() {Title = "Book3", Price = 3},
new Book() {Title = "Book4", Price = 4},
new Book() {Title = "Book4", Price = 5},
}
}
}
class Program
{
static void Main(string[]args)
{
var Books = new BookRepository().GetBooks();
/*// TRADITIONAL METHOD
var cheapBooks = new List<Book>();
foreach(var book in Books)
{
if(book.Price < 3)
{
cheapBooks.Add(book);
}
}
foreach(var book in cheapBooks)
{
WriteLine("Book " + book.Title + "\nPrice = " + book.Price + "\n");
}*/
//LINQ Extension methods
/*var cheapBooks = Books
.Where(book = > book.Price > 3)
.OrderBy(book => book.Title)
.Select(book => book.Title);*/
//LINQ Query Operators
/*var cheapBooks = from book in Books
where book.Price < 3
orderby book.Title
select book;*/
//var result = Books.FirstOrDefault(book => book.Title == "Book 4++");
//var result = Books.Last(book => book.Title == "Book 4++");
//var result = Books.LastOrDefault(book => book.Title == "Book 4++");
//var result = Books.Max(book => book.Price);
//var result = Books.Min(book => book.Price);
//var result = Books.Sum(book => book.Price);
var result = Books.Skip(2).Take(3);
//WriteLine("Average price = " + result);
//WriteLine(result != null ? ("Title: " + result.Title + "\nPrice: " + result.Price + "\n") : "No book found");
foreach(var book in cheapBooks)
{
WriteLine("Book = " + book.Title + "\nPrice = " + book.Price + "\n");
//WriteLine("Book = " + book.Title);
}
}
}
}
//Click "Execute"
//Then answer each Question on the STDIN
using System.IO;
using System;
class Program
{
static void Main()
{
Console.WriteLine("Hello, world.");
Console.WriteLine("Can you tell me your name?");
string usersName = "";
usersName = Console.ReadLine();
var Helloline = "Hi, " + usersName;
Console.WriteLine(Helloline);
Console.WriteLine("How are you doing?");
Console.WriteLine("The options are Good or Bad.");
var feeling1 = "";
feeling1 = Console.ReadLine();
if (feeling1 == "Good" || feeling1 == "good")
{
Console.WriteLine("Great!");
}
if (feeling1 == "Bad" || feeling1 == "bad")
{
Console.WriteLine("Walk it off," + usersName + ".");
}
else
{
Console.WriteLine("This is not a valid option.");
}
Console.WriteLine("Are you a boy or a girl?");
string gender = "";
gender = Console.ReadLine();
if (gender == "Boy" || gender == "Girl"||gender == "girl"||gender == "boy")
{
if (gender == "Boy"||gender == "boy")
{
Console.WriteLine("Great!");
}
else
{
Console.WriteLine("Cool!");
}
}
else
{
Console.WriteLine("This is not a valid option");
}
Console.WriteLine("How many friends do you have?");
Console.WriteLine("There are the options 'A lot' or 'Not many'");
var friends = "";
friends = Console.ReadLine();
if (friends == "a lot" || friends == "not many"||friends == "A Lot"||friends == "Not Many"||friends == "Not many"||friends == "A lot"||friends == "a Lot"||friends == "not Many")
{
if (friends == "Not many"||friends == "Not Many"||friends == "not Many"||friends == "not many")
{
Console.WriteLine("Oh, I'm sorry!");
}
else
{
Console.WriteLine("Same!");
}
}
else
{
Console.WriteLine("This is not a valid option.");
}
Console.WriteLine("How many fights have you gotten into?");
Console.WriteLine("The options are 'less than 100' and 'more than 100'");
var fights = "";
fights = Console.ReadLine();
if (fights == "less than 100" || fights == "more than 100"|| fights == "More than 100"|| fights == "More Than 100"|| fights == "more Than 100"||fights == "Less than 100"||fights == "Less Than 100"||fights == "less Than 100")
{
if (fights == "more than 100"|| fights == "More than 100"|| fights == "More Than 100"|| fights == "more Than 100")
{
Console.WriteLine("Same here!");
}
else
{
Console.WriteLine("Yeah, totally.");
}
}
else
{
Console.WriteLine("This is not a valid option.");
}
Console.WriteLine("I'm a little nosy, aren't I?");
Console.WriteLine("The options are 'No' and 'No'");
var opinion = "";
opinion = Console.ReadLine();
if (opinion == "Yes" || opinion == "No"||opinion == "yes"||opinion == "no")
{
if (opinion == "Yes"|| opinion == "yes")
{
Console.WriteLine("Cut me some slack!");
Console.WriteLine("You have found the secret ending.");
}
else
{
Console.WriteLine("I knew it!");
}
}
else
{
Console.WriteLine("This is not a valid option.");
}
Console.WriteLine("This is the end?");
Console.ReadLine();
}
}
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