Use Of C# TypeOf Operator

Mahesh Chand
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In C#, types are inherited from the System.Type. The C# typeof operator gets the System.Type of a type. This code sample shows the use case of typeof operator using C#.

The typeof operator syntax,

System.Type type = typeof(type);

The following code sample uses the typeof operator to get the type of various types.

Type tp = typeof(int);
Console.WriteLine($"typeof {tp}");
Console.WriteLine(typeof(String));
Console.WriteLine(typeof(Double));

The GetType() method is used to get the Type of an object or expression at runtime.

// Get type of a variable
string name = "Mahesh Chand";
Type namenameType = name.GetType();
Console.WriteLine(nameType);

You can also get a type of a class (object), its methods, properties, and other members.

The following code snippet returns a type of the Author object.

// Get a typeof a class
Console.WriteLine(typeof(Author));

Complete code sample,

using System;
namespace typeofOperatorSample
{
class Program
{
static void Main(string[] args)
{
Type tp = typeof(int);
Console.WriteLine($"typeof {tp}");
Console.WriteLine(typeof(String));
Console.WriteLine(typeof(Double));
// Get type of a variable
string name = "Mahesh Chand";
Type namenameType = name.GetType();
Console.WriteLine(nameType);
// Get a typeof a class
Console.WriteLine(typeof(Author));
Console.ReadKey();
}
}
public class Author
{
public Author() { }
}
}

The output of the above code generates the following output.

Next > Here is an article on the Difference between the typeof Operator and GetType() Method.

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