diff --git a/src/de/dhbwstuttgart/syntaxtree/Class.java b/src/de/dhbwstuttgart/syntaxtree/Class.java
index f5cbb6c9..8309c7b1 100755
--- a/src/de/dhbwstuttgart/syntaxtree/Class.java
+++ b/src/de/dhbwstuttgart/syntaxtree/Class.java
@@ -196,11 +196,11 @@ public class Class extends GTVDeclarationContext implements AClassOrInterface, I
     {
         this.name = name;
         if(name.equals("java.lang.Object")){
-            superclassid=null;
+        	superclassid=null;
         }
         this.offset = offset;
         if(!name.equals("Object") && !name.equals("java.lang.Object"))//Alle Klassen außer Object erben von Object:
-        	this.superClass = new Class("java.lang.Object", -1).getType(); 
+        	this.superClass = new ObjectClass().getType(); 
     }
     // ino.end
     
@@ -235,7 +235,7 @@ public class Class extends GTVDeclarationContext implements AClassOrInterface, I
     
     public Class(String name, RefType superClass, Modifiers mod, int offset){
     	this(name,mod,offset);
-    	if(superClass == null)this.superClass = new Class("java.lang.Object",-1).getType();
+    	if(superClass == null)this.superClass = new ObjectClass().getType();
     	else this.superClass = superClass;
     }
     
diff --git a/src/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java b/src/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java
index c02ed64f..cf71372a 100644
--- a/src/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java
+++ b/src/de/dhbwstuttgart/syntaxtree/factory/ASTFactory.java
@@ -4,6 +4,7 @@ import de.dhbwstuttgart.bytecode.ClassGenerator;
 import de.dhbwstuttgart.syntaxtree.Class;
 import de.dhbwstuttgart.syntaxtree.Constructor;
 import de.dhbwstuttgart.syntaxtree.Method;
+import de.dhbwstuttgart.syntaxtree.ObjectClass;
 import de.dhbwstuttgart.syntaxtree.ParameterList;
 import de.dhbwstuttgart.syntaxtree.SourceFile;
 import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
@@ -67,7 +68,7 @@ public class ASTFactory {
 	}
 
 	public static Class createObjectClass() {
-		Class generatedClass = new Class("java.lang.Object", 0);		
+		Class generatedClass = new ObjectClass();		
 		
 		return generatedClass;
 	}
diff --git a/test/bytecode/main/Id.jav b/test/bytecode/main/Id.jav
new file mode 100644
index 00000000..ed295176
--- /dev/null
+++ b/test/bytecode/main/Id.jav
@@ -0,0 +1,7 @@
+class Id{
+
+public static void main(String[] args){}
+
+op = (x)->x;
+
+}
\ No newline at end of file
diff --git a/test/bytecode/main/LambdaExprTest.java b/test/bytecode/main/LambdaExprTest.java
new file mode 100644
index 00000000..1e671db9
--- /dev/null
+++ b/test/bytecode/main/LambdaExprTest.java
@@ -0,0 +1,44 @@
+package bytecode.main;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.io.IOException;
+
+import junit.framework.TestCase;
+
+import org.junit.Test;
+
+import bytecode.SourceFileBytecodeTest;
+import plugindevelopment.TypeInsertTester;
+import de.dhbwstuttgart.core.MyCompiler;
+import de.dhbwstuttgart.core.MyCompilerAPI;
+import de.dhbwstuttgart.logger.LoggerConfiguration;
+import de.dhbwstuttgart.logger.Section;
+import de.dhbwstuttgart.parser.JavaParser.yyException;
+import de.dhbwstuttgart.typeinference.ByteCodeResult;
+import de.dhbwstuttgart.typeinference.Menge;
+import de.dhbwstuttgart.typeinference.TypeinferenceResultSet;
+import de.dhbwstuttgart.typeinference.typedeployment.TypeInsertSet;
+
+public class LambdaExprTest  extends SourceFileBytecodeTest{
+	@Override
+	protected void init() {
+		testName = "Id";
+		rootDirectory = System.getProperty("user.dir")+"/test/bytecode/main/";
+	}
+	
+	@Test
+	public void testConstruct() throws Exception{
+	    ClassLoader classLoader = getClassLoader();
+
+	    Class cls =  classLoader.loadClass(testName);
+	    
+	    //Invoke main method:
+	    cls.getMethod("main", String[].class).invoke(this, new String[0]);
+	    
+		//Object obj = cls.newInstance();
+		
+		assertTrue(true);
+	}
+}
\ No newline at end of file
diff --git a/test/plugindevelopment/TypeInsertTests/LambdaTest30.jav b/test/plugindevelopment/TypeInsertTests/LambdaTest30.jav
new file mode 100644
index 00000000..af0a6baf
--- /dev/null
+++ b/test/plugindevelopment/TypeInsertTests/LambdaTest30.jav
@@ -0,0 +1,13 @@
+class LambdaTest30{
+	
+	java.lang.String methode(x){
+		return x;
+	}
+	
+	lambdaGen(){
+		Fun0<java.lang.String> op;
+		op = () -> this.methode("Hallo Welt");
+		return op;
+	}
+
+}
\ No newline at end of file
diff --git a/test/plugindevelopment/TypeInsertTests/LambdaTest30.java b/test/plugindevelopment/TypeInsertTests/LambdaTest30.java
new file mode 100644
index 00000000..dcf2b683
--- /dev/null
+++ b/test/plugindevelopment/TypeInsertTests/LambdaTest30.java
@@ -0,0 +1,18 @@
+package plugindevelopment.TypeInsertTests;
+
+import de.dhbwstuttgart.typeinference.Menge;
+
+import org.junit.Test;
+
+public class LambdaTest30 {
+
+	private static final String TEST_FILE = "LambdaTest30.jav";
+	
+	@Test
+	public void run(){
+		Menge<String> mustContain = new Menge<String>();
+		//mustContain.add("A a");
+		MultipleTypesInsertTester.test(this.TEST_FILE, mustContain);
+	}
+	
+}