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Null conditional operator example C#
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//Rextester.Program.Main is the entry point for your code. Don't change it. //Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5 using System; using System.Collections.Generic; using System.Linq; using System.Text.RegularExpressions; namespace Rextester { public class Person { public string Name { get; set; } } public class Dog { public Person Owner { get; set; } } public class Program { public static void Main(string[] args) { Dog dog = new Dog(); Console.WriteLine(dog.Owner?.Name == null); dog.Owner = new Person() { Name = "Fred" }; Console.WriteLine(dog.Owner?.Name); } } }
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Compilation time: 0,23 sec, absolute running time: 0,11 sec, cpu time: 0,11 sec, average memory usage: 15 Mb, average nr of threads: 3, absolute service time: 0,38 sec
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True Fred