understanding methods in c# code example

Example 1: How to make a function in C#

public void SayHello(string name) 
{
    Console.WriteLine("Hello")  
}


Console.WriteLine("What is your name?")
string name = Console.ReadLine() ; 

SayHello(Adam)

Example 2: functions c#

public void SayHello(string name) 
{
    Console.WriteLine("Hello");
}

public void SayName()
{
	Console.WriteLine("What is your name?");
	string name = Console.ReadLine(); 
	SayHello(name);
}