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What is typeof, GetType or is in C#?
Typeof()
The type takes the Type and returns the Type of the argument.
GetType()
The GetType() method of array class in C# gets the Type of the current instance.
is
The "is" keyword is used to check if an object can be casted to a specific type. The return type of the operation is Boolean.
Example
class Demo { } class Program { static void Main() { var demo = new Demo(); Console.WriteLine($"typeof { typeof(Demo)}"); Type tp = demo.GetType(); Console.WriteLine($"GetType {tp}"); if (demo is Demo) { System.Console.WriteLine($"is keyword check true"); } Console.ReadLine(); } }
Output
typeof ConsoleApp.Demo GetType ConsoleApp.Demo is keyword check true
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