finished CountWordsVisitor

src/uebung08/doc/Visitor.java

@@ -1,8 +1,7 @@
 package uebung08.doc;
 
 public interface Visitor<T> {
-    T visit(TextComponent textComponent);
-    T visit(Book book);
+
     T visit(Paragraph paragraph);
     T visit(Image image);
     T visit(Section section);