diff --git a/src/de/dhbwstuttgart/parser/JavaClassName.java b/src/de/dhbwstuttgart/parser/JavaClassName.java
index 14005560..857680f0 100644
--- a/src/de/dhbwstuttgart/parser/JavaClassName.java
+++ b/src/de/dhbwstuttgart/parser/JavaClassName.java
@@ -18,6 +18,7 @@ public class JavaClassName {
 	
 	public JavaClassName(String name){
 		if(name == null)throw new NullPointerException();
+		
 		String[] names = name.split("[.]");
 		boolean match = true;
 		if(names.length == 1){
diff --git a/src/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java b/src/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java
index 557ff35b..060ea12c 100644
--- a/src/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java
+++ b/src/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java
@@ -53,4 +53,10 @@ public class ASTFactory {
 		
 		return generatedClass;
 	}
+
+	public static Class createObjectClass() {
+		Class generatedClass = new Class("java.lang.Object", 0);		
+		
+		return generatedClass;
+	}
 }
diff --git a/src/de/dhbwstuttgart/syntaxtree/type/RefType.java b/src/de/dhbwstuttgart/syntaxtree/type/RefType.java
index 1c62c1e6..3fe126b4 100755
--- a/src/de/dhbwstuttgart/syntaxtree/type/RefType.java
+++ b/src/de/dhbwstuttgart/syntaxtree/type/RefType.java
@@ -850,14 +850,15 @@ public class RefType extends ObjectType implements IMatchable
 		
 		//TODO: bytecode woher bekommt ich die parent klasse
 		String combinedType = getCombinedType(cg);
-		if(!combinedType.equals(get_Name())){
-			// TODO bytecode createClass
-			Class generatedClass = ASTFactory.createClass(getCombinedType(cg), getParentClass());
+		if(!combinedType.equals(getName().toString())){
+			// TODO bytecode statt getParentClass die eigene Class?!?!
+			Class classObject = ASTFactory.createClass(getName().toString(), ASTFactory.createObjectClass());
+			Class generatedClass = ASTFactory.createClass(getCombinedType(cg), classObject);
 			
 			cg.addExtraClass(generatedClass.genByteCode(new TypeinferenceResultSet(generatedClass, new Menge<>(), new ResultSet())).getByteCode());
 		}
 		
-		return "L"+getCombinedType(cg)+";";
+		return "L"+combinedType+";";
 	}
 	
 	public String getCombinedType(ClassGenerator cg){
@@ -865,14 +866,14 @@ public class RefType extends ObjectType implements IMatchable
 		StringBuilder sb = new StringBuilder();
 		
 		if(parameter != null && parameter.size() > 0){
-			sb.append(this.get_Name().replace(".", "%"));
+			sb.append(getName().toString().replace(".", "%"));
 			sb.append("%%");
 			for(Type type: parameter){
 				sb.append(((RefType) type).getCombinedType(cg).replace(".", "%"));
 				sb.append("%");
 			}
 		}else{
-			sb.append(this.get_Name());
+			sb.append(this.getName().toString());
 		}
 		
 		return sb.toString();
diff --git a/test/bytecode/types/Test.java b/test/bytecode/types/Test.java
new file mode 100644
index 00000000..78235be2
--- /dev/null
+++ b/test/bytecode/types/Test.java
@@ -0,0 +1,12 @@
+import java.util.Vector;
+
+public class Test {
+
+	public static void main(String[] args) {
+		Overloading o = new Overloading();
+		Vector<String> stringVector = new Vector<String>();
+		
+		o.method(stringVector);
+	}
+
+}