Incorporating Patrick's changes. I am not reall sure about the changes after the war, it is really 'or' it cannot be 'and'. I will change that when I do the reading through the whole chapter.
3 import javax.swing.Icon;
5 public abstract class API {
6 // BEGIN: theory.binary.differentreturntype.api
7 public static Icon getIcon() {
8 return null; // compute something
10 // END: theory.binary.differentreturntype.api