C# Online Compiler | .NET Fiddle

using System;

public delegate void MyDelegate(string msg);

public class Program
{
	public static void Main()
	{
		MyDelegate del = ClassA.MethodA;
		InvokeDelegate(del);		
		
		del = ClassB.MethodB;
		InvokeDelegate(del);
		
		del = (string msg) => Console.WriteLine("Called lambda expression: " + msg);
		InvokeDelegate(del);

	}
	
	public static void InvokeDelegate(MyDelegate del)
	{
		del("Hello World");
	}
}

public class ClassA
{
	public static void MethodA(string message)
	{
		Console.WriteLine("Called ClassA.MethodA() with parameter: "+ message);
	}
}

public class ClassB
{
	public static void MethodB(string message)
	{
		Console.WriteLine("Called ClassB.MethodB() with parameter: "+ message);
	}
}

 
using System;
​
public delegate void MyDelegate(string msg);
​
public class Program
{
    public static void Main()
    {
        MyDelegate del = ClassA.MethodA;
        InvokeDelegate(del);        
        
        del = ClassB.MethodB;
        InvokeDelegate(del);
        
        del = (string msg) => Console.WriteLine("Called lambda expression: " + msg);
        InvokeDelegate(del);
​
    }
    
    public static void InvokeDelegate(MyDelegate del)
    {
        del("Hello World");
    }
}
​
public class ClassA
{
    public static void MethodA(string message)
    {
        Console.WriteLine("Called ClassA.MethodA() with parameter: "+ message);
    }
}
​
public class ClassB
{
    public static void MethodB(string message)
    {
        Console.WriteLine("Called ClassB.MethodB() with parameter: "+ message);
    }
}

Cached Result

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