started on visitor pattern

src/uebung08/doc/CountWordsVisitor.java

@@ -0,0 +1,11 @@
+package uebung08.doc;
+
+public class CountWordsVisitor implements Visitor<Integer>{
+    
+    
+    @Override
+    public <T> Integer visit(TextComponent textComponent) {
+        image.accept(this);
+        return 0;
+    }
+}

src/uebung08/doc/Visitor.java

@@ -0,0 +1,5 @@
+package uebung08.doc;
+
+public interface Visitor<T> {
+    T visit(TextComponent textComponent);
+}