diff --git a/src/de/dhbwstuttgart/antlr/Test.java b/src/de/dhbwstuttgart/antlr/Test.java
index bb1e08eda..712954408 100644
--- a/src/de/dhbwstuttgart/antlr/Test.java
+++ b/src/de/dhbwstuttgart/antlr/Test.java
@@ -29,9 +29,9 @@ class EvalVisitor extends Java8BaseVisitor<SyntaxTreeNode> {
 
 	@Override
 	public SyntaxTreeNode visitCompilationUnit(CompilationUnitContext ctx) {
-		Vector<SyntaxTreeNode> classDefinitions = new Vector<>();
+		Vector<Class> classDefinitions = new Vector<>();
 		for(TypeDeclarationContext tDecl : ctx.typeDeclaration()){
-			SyntaxTreeNode cl = visit(tDecl);
+			Class cl = (Class) visit(tDecl);
 			classDefinitions.add(cl);
 		}
 		
@@ -39,15 +39,14 @@ class EvalVisitor extends Java8BaseVisitor<SyntaxTreeNode> {
 	}
 
 	@Override
-	public SyntaxTreeNode visitTypeDeclaration(TypeDeclarationContext ctx) {
-		// TODO Auto-generated method stub
-		return super.visitTypeDeclaration(ctx);
+	public Class visitTypeDeclaration(TypeDeclarationContext ctx) {
+		Class ret = (Class) visit(ctx.classDeclaration());
+		return ret;
 	}
 
 	@Override
-	public SyntaxTreeNode visitClassDeclaration(ClassDeclarationContext ctx) {
-		// TODO Auto-generated method stub
-		return super.visitClassDeclaration(ctx);
+	public Class visitClassDeclaration(ClassDeclarationContext ctx) {
+		return null;
 	}
 
 }