diff --git a/src/de/dhbwstuttgart/strucTypes3/AssumptionGenerator.java b/src/de/dhbwstuttgart/strucTypes3/AssumptionGenerator.java
index b24bcfce..63dd80f8 100644
--- a/src/de/dhbwstuttgart/strucTypes3/AssumptionGenerator.java
+++ b/src/de/dhbwstuttgart/strucTypes3/AssumptionGenerator.java
@@ -56,10 +56,10 @@ public class AssumptionGenerator {
 			argAss.put(m, ass);
 			System.out.println(String.format("Methodenname: %s , Arguments: %s ->  ReturnType %s ", methodName, typeArg,
 					returnType));
-		}
+		}		
 		
-		
-		//TODO : Assumption für die eingene aktuelle Klasse
+		// Assumption für die eingene aktuelle Klasse
+		fAss.put("this", cl.getType()); 
 		
 		
 		
diff --git a/src/de/dhbwstuttgart/strucTypes3/ToStringGenerator.java b/src/de/dhbwstuttgart/strucTypes3/ToStringGenerator.java
index e3ad677b..4c7703bf 100644
--- a/src/de/dhbwstuttgart/strucTypes3/ToStringGenerator.java
+++ b/src/de/dhbwstuttgart/strucTypes3/ToStringGenerator.java
@@ -3,6 +3,10 @@ package de.dhbwstuttgart.strucTypes3;
 import java.util.List;
 
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
+import de.dhbwstuttgart.syntaxtree.Field;
+import de.dhbwstuttgart.syntaxtree.FieldDeclaration;
+import de.dhbwstuttgart.syntaxtree.FormalParameter;
+import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
 import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.syntaxtree.statement.Block;
 import de.dhbwstuttgart.syntaxtree.statement.Expression;
@@ -12,7 +16,7 @@ import de.dhbwstuttgart.syntaxtree.statement.Statement;
 
 public class ToStringGenerator {
 
-	public String klasseToString(ClassOrInterface cl, AssTuple assAll) {
+	public static String klasseToString(ClassOrInterface cl, AssTuple assAll) {
 
 		// Als nächstes muss die Expression getypt werden
 
@@ -59,5 +63,40 @@ public class ToStringGenerator {
 	}
 	
 	
+	public static String interface2String(ClassOrInterface face) {
+		
+		
+		
+		// Ausgabe name
+		String n = face.getClassName().toString(); 
+		
+		// Ausgabe Generics
+		String generics = ""; 
+		
+		//for (  GenericTypeVar f   : face.getGenericDeclarationList()) {
+			//generics = generics + " " +  f.toString(); 
+		//}
+		
+		// Ausgabe der Felder 
+		String felder = ""; 
+		for (Field f : face.getFieldDecl()) {
+			felder = f.toString(); 
+		}
+		
+		// Ausgabe der Methoden
+		String methods = ""; 
+		for (Method m : face.getMethods()) {
+			String mName = m.getName() +  " ( ";			
+			//m.getParameterList().getFormalparalist().forEach((x) -> {  mName.concat(x.getName().toString());  });
+			for (FormalParameter fp : m.getParameterList().getFormalparalist()) {
+				mName = mName  + " "+ fp.getName(); 
+			}
+			methods = methods + mName + ") " ; 			
+		}
+		
+		return String.format(" interface:   %s  %s  %s  %s  \n" , n, generics , felder, methods); 	
+	}
+	
+	
 
 }
diff --git a/src/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java b/src/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java
index a69a55e3..66eb84cd 100755
--- a/src/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java
+++ b/src/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java
@@ -54,6 +54,10 @@ public class ClassOrInterface extends GTVDeclarationContext implements IItemWith
     return this.name;
   }
   
+  public GenericDeclarationList getGenericDeclarationList() {
+	  return this.genericClassParameters; 
+  }
+  
   // Get modifiers
   public int getModifiers(){
     return this.modifiers;
diff --git a/test/strucTypes3/Construct.java b/test/strucTypes3/Construct.java
index 52997243..97074789 100644
--- a/test/strucTypes3/Construct.java
+++ b/test/strucTypes3/Construct.java
@@ -46,7 +46,21 @@ public class Construct {
 		List<Field> fielddecl = new ArrayList<>(); 
 		fielddecl.add(field); 
 		JavaClassName name = new JavaClassName(fieldConstriant.getReveiver().toString());	
-		ClassOrInterface face = new ClassOrInterface(0, name, fielddecl, null, null, null, null, null , null); 
+		
+		
+		//Erstellen der Generics 
+		List<GenericTypeVar> genericTypeVarList = new ArrayList<>(); 				
+		String type_of_field = fieldConstriant.getAttribut().toString(); 
+		genericTypeVarList.add(new GenericTypeVar(type_of_field, null, new NullToken(), new NullToken())); 
+		GenericDeclarationList genericDeclaraitonList = new GenericDeclarationList(genericTypeVarList, new NullToken()); 
+		
+		
+		// methods
+		List<Method> methods = new ArrayList<Method>(); 
+		
+		
+		ClassOrInterface face = new ClassOrInterface(0, name, fielddecl, methods, genericDeclaraitonList, null, true, null , null); 
+		
 		return face; 		
 		
 	}
diff --git a/test/strucTypes3/GeneralParserTestConstruct.java b/test/strucTypes3/GeneralParserTestConstruct.java
index a8ab15ff..d1db8b59 100644
--- a/test/strucTypes3/GeneralParserTestConstruct.java
+++ b/test/strucTypes3/GeneralParserTestConstruct.java
@@ -13,6 +13,7 @@ import de.dhbwstuttgart.strucTypes3.AssTuple;
 import de.dhbwstuttgart.strucTypes3.AssumptionGenerator;
 import de.dhbwstuttgart.strucTypes3.ConstraintAbstract;
 import de.dhbwstuttgart.strucTypes3.HelpMethoden;
+import de.dhbwstuttgart.strucTypes3.ToStringGenerator;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.Field;
 import de.dhbwstuttgart.syntaxtree.FormalParameter;
@@ -57,6 +58,7 @@ public class GeneralParserTestConstruct {
 		// filenames.add("FieldVarTest.jav");
 
 		filenames.add("StructuralTypesSimpleSkript.jav");
+		//filenames.add("StructuralTypesMiddle.jav");
 		// filenames.add("StructuralTypesField.jav");
 		// filenames.add("Main.jav");
 
@@ -90,7 +92,13 @@ public class GeneralParserTestConstruct {
 				List<ClassOrInterface> sf2 = new ArrayList<>(); 
 				constraints.forEach( (constraint) -> {sf2.add( Construct.constructInterfaces(constraint)); }   );
 				
+				//sf2.forEach((x) -> {if (x != null ) { String y = ToStringGenerator.interface2String(x); System.out.println(y);  }} );
+				for (int i = 0; i < sf2.size() ; i++) {
+					if (sf2.get(i) != null  ) {
+						System.out.println(ToStringGenerator.interface2String(sf2.get(i)));
+					}
 				
+				}
 				
 				System.out.println(sf2.size());
 
diff --git a/test/strucTypes3/StructuralTypesMiddle.jav b/test/strucTypes3/StructuralTypesMiddle.jav
new file mode 100644
index 00000000..4f832ff3
--- /dev/null
+++ b/test/strucTypes3/StructuralTypesMiddle.jav
@@ -0,0 +1,27 @@
+
+
+
+class A {
+
+	//Integer feld1; 
+	
+	//feld2; 
+	
+	
+	//mtNeu() { return new Integer(); }  
+	
+	//mtcast(a) { return (Integer) a;  }  
+	
+	mfeld(r) { return  r.feld; } 
+	
+
+	mt1(x,y,z) { return x.sub(y).add(z); } 
+	
+	mt(g,h,i) { return g.div( h , i) ; } 
+	
+	} 
+	
+	
+class Integer {
+} 	
+	
\ No newline at end of file