diff --git a/lib/java/java_class.rb b/lib/java/java_class.rb
new file mode 100644
index 0000000..b6abaf0
--- /dev/null
+++ b/lib/java/java_class.rb
@@ -0,0 +1,13 @@
+module JavaClass
+  def method_missing(meth, *args, &block)
+    if block
+      eval <<-RUBY_CODE
+        define_method(#{meth}) do |#{args.join(',')}|
+        #{block.call}
+      end
+      RUBY_CODE
+    else
+      meth
+    end
+  end
+end
diff --git a/lib/java/type.rb b/lib/java/type.rb
index 0040d59..8811039 100644
--- a/lib/java/type.rb
+++ b/lib/java/type.rb
@@ -16,9 +16,10 @@ def match?(val)
 
   class << self
     def define_new(sym, klass, &condition)
+      type = find_or_create(sym, klass, &condition)
       Module.class_eval do
         define_method(sym) do |meth|
-          define_typed_method(meth, Type.find_or_create(sym, klass, &condition))
+          define_typed_method(meth, type)
         end
         private sym
       end
@@ -31,5 +32,9 @@ def find(sym)
     def find_or_create(sym, klass, &condition)
       find(sym) || new(sym, klass, &condition)
     end
+
+    def types
+      @@types
+    end
   end
 end
diff --git a/test/java_test.rb b/test/java_test.rb
index 44519a6..a6640c1 100644
--- a/test/java_test.rb
+++ b/test/java_test.rb
@@ -96,10 +96,10 @@ def test_user_type
 
   private
     def define_test_method(type, val)
-      klass = Class.new.class_eval <<-RUBY_CODE
-        public #{type} def call
+      klass = Class.new.extend(JavaClass).class_eval <<-RUBY_CODE
+        public #{type} call(){"
           ObjectSpace._id2ref(#{val.__id__})
-        end
+        "}
       RUBY_CODE
 
       klass.new