Code:
public class HelloWorld
{
    private String greeting= "Hello World!";
    
    public void greet (HelloWorld)//you create a String variable
    
    {
        System.out.println("My name is Gabi Watson");//This is what was passed to the method. You should also add your greeting here. 
        
    }
    public static void main(String args[])
    {
...