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class WhoisLookup
{
  private readonly string webApiBaseAddress = "http://api.hackertarget.com/whois/?q=";
  public string HostToLookup { get; private set; }

  public WhoisLookup(string hostToLookup)
  {
    HostToLookup = hostToLookup;
  }

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    public class Money
    {
        public decimal Amount { get; private set; } = 20m;
        
        public void doStuff()
        {
            Amount *= 2;
        }
    }
    

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    public class Person
    {
        // Example 1: manually implemented property
        private string _name;
        
        public string Name
        {
            get
            {
                return _name;

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using System;

namespace ConsoleApplication
{
    public class Program
    {
        static void Main()
        {
            Console.WriteLine(getWithTernaryOperator());
            Console.WriteLine(getWithNullCoalescingOperator());

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class Engine
{
    public bool IsRunning { get; private set; } 
    public void Start() { }        
    public void Stop() { }
}

class Machine
{
    public Engine Engine { get; }

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public class Program
{
    public static void Main(string[] args)
    {
        PowerOf2Example();
    }
    
    private static void PowerOf2Example()
    {
        var numbers = new List<int>() {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};

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class Person
{
    public int Age { get; }
    public string Name { get; }
    
    public Person(int age, string name)
    {
        this.Age = age;
        this.Name = name;
    }

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namespace LiskovSubstitutionPrinciple.Violation
{
    public class Rectangle
    {
        protected int _width;
        protected int _height;

        public virtual int Height
        {
            get { return _height; }

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namespace LiskovSubstitutionPrinciple.Tests
{
    [TestFixture]
    public class Violation
    {
        [Test]
        public void RectangleIsOkay()
        {
            Rectangle rect = new Rectangle
            {

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namespace Open_Closed_Principle.Violation
{
    public class AvgTemperatureReader
    {
        public double GetAverageTemperature(List<object> temperatureSensors)
        {
            double total = 0;
            int count = 0;
            
            foreach (var temperatureSensor in temperatureSensors.OfType<IndoorTemperatureSensor>())