Java codin help

keep gettin 2 error messages

(1)The field greeting cannot be declared static; static fields can only be declared in static or top level types

this is what the code looks like

public class comment {
/**
* @author Craig
*
* This class demonstrates use of:
* Line Comments
* Block Comments
* JavaDoc Comments.
*/
public class CommentsExample {

/**
* Program comments are nonexecuting,
* statements you add to a program
* documentation for the purpose
* of documentation.
*/
protected static String greeting = "Hi";

//Program comments are nonexecuting,
//statements you add to a program
private static String name = "Guys"; //documentation for the purpose

public CommentsExample() {
//of documentation.()
super();
}

/**
* This is the entry point of the application.
* main() is executed first by the JVM.
*/
public void main(String[] args) {
/*
* Program comments are nonexecuting,
* statements you add to a program
* documentation for the purpose
* of documentation.
*/
System.out.println(greeting + " " + name);
}
}
}