diff --git a/Babel17_Naive_Interpreter/src/com/babel17/naive/Evaluator.scala b/Babel17_Naive_Interpreter/src/com/babel17/naive/Evaluator.scala
index b7f7049..007e24d 100644
--- a/Babel17_Naive_Interpreter/src/com/babel17/naive/Evaluator.scala
+++ b/Babel17_Naive_Interpreter/src/com/babel17/naive/Evaluator.scala
@@ -377,6 +377,10 @@ class Evaluator(val maxNumThreads : Int, val fileCentral : FileCentral,
           classname = s.v
           classDescr = JavaInterop.getClassDescr(classname)
           args = tuple.tail.toList
+        case JavaInterop.NativeValue(c:Class[_]) =>
+          classname = c.getCanonicalName
+          classDescr = JavaInterop.getClassDescr(classname)
+          args = tuple.tail.toList
         case _ =>
       }
     }
@@ -385,6 +389,9 @@ class Evaluator(val maxNumThreads : Int, val fileCentral : FileCentral,
       case s: StringValue =>
         classname = s.v
         classDescr = JavaInterop.getClassDescr(classname)
+      case JavaInterop.NativeValue(c:Class[_]) =>
+        classname = c.getCanonicalName
+        classDescr = JavaInterop.getClassDescr(classname)        
       case vect: VectorValue => analyze(vect)
       case _ =>
         val w = v.typeConvert(true, Values.TYPE_VECT)
diff --git a/Babel17_Netbeans_Module/manifest.mf b/Babel17_Netbeans_Module/manifest.mf
index 3f572dd..1079b54 100644
--- a/Babel17_Netbeans_Module/manifest.mf
+++ b/Babel17_Netbeans_Module/manifest.mf
@@ -1,5 +1,5 @@
 Manifest-Version: 1.0
 OpenIDE-Module: com.babel17.netbeans
-OpenIDE-Module-Implementation-Version: 73
+OpenIDE-Module-Implementation-Version: 74
 OpenIDE-Module-Layer: com/babel17/netbeans/layer.xml
 OpenIDE-Module-Localizing-Bundle: com/babel17/netbeans/Bundle.properties
diff --git a/Babel17_Netbeans_Module/nbproject/project.properties b/Babel17_Netbeans_Module/nbproject/project.properties
index 59f0012..fcca8d7 100644
--- a/Babel17_Netbeans_Module/nbproject/project.properties
+++ b/Babel17_Netbeans_Module/nbproject/project.properties
@@ -1,6 +1,7 @@
 file.reference.antlr-runtime-3.1.3.jar=release/modules/ext/antlr-runtime-3.1.3.jar
 file.reference.Babel17_Antlr_Parser.jar=release/modules/ext/Babel17_Antlr_Parser.jar
 file.reference.Babel17_ANTLR_Parser.jar=release/modules/ext/Babel17_ANTLR_Parser.jar
+file.reference.Babel17_Interpreter.jar=release/modules/ext/Babel17_Interpreter.jar
 file.reference.functionaljava.jar=release/modules/ext/functionaljava.jar
 file.reference.scala-library.jar=release/modules/ext/scala-library.jar
 javac.source=1.5
diff --git a/Babel17_Spec_Unittests/babel17_src/nativeinterop.b17 b/Babel17_Spec_Unittests/babel17_src/nativeinterop.b17
index 0201521..f435941 100644
--- a/Babel17_Spec_Unittests/babel17_src/nativeinterop.b17
+++ b/Babel17_Spec_Unittests/babel17_src/nativeinterop.b17
@@ -1,8 +1,18 @@
 module lang.unittest.spec.nativeinterop
 
     if native Platform == Java then
-        val h = native New ("com.babel17.java.JavaInteropUnittestHelper", 
+        val h_class = native Class "com.babel17.java.JavaInteropUnittestHelper"
+        #assert h_class.getCanonicalName () == "com.babel17.java.JavaInteropUnittestHelper"
+        
+        val h = native New (h_class,  
+          "hello world", 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
+        val g = native New ("com.babel17.java.JavaInteropUnittestHelper",
           "hello world", 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
+          
+        #assert h.msg () == g.msg () 
+        #assert h <> g
+        
+        #assert h.getClass () == h_class
     
         #assert h.a == 2
         #assert h.msg <> "hello world"
@@ -17,6 +27,7 @@ module lang.unittest.spec.nativeinterop
         #assert h.pick 5 == (6,)
         #assert h.b <> 2
         #assert h.b () == 3
+        #assert h.nothing () == nil
         
         def test_num (f, numbits, signed, limited) = 
         begin
@@ -75,6 +86,13 @@ module lang.unittest.spec.nativeinterop
         
         #assert h.ambi_int nil == "Integer: null"
         #assert h.ambi_int 2 == "Integer: 2"
+        
+        #assert h.test_a () == "test_a"
+        #assert h.test_A () == "test_a"
+        
+        #assert h.a_mul 7 == 7 * h.a
+        
+        #assert h_class.a_mul 7 == 7 * h_class.a
     else
         #assert false
     end