diff --git a/HandleType.h b/HandleType.h
index 08dedb3..cab0cf8 100644
--- a/HandleType.h
+++ b/HandleType.h
@@ -10,6 +10,7 @@
     HandleType();
 
     std::string getCppType(StorageMode mode, std::string *extra) const override;
+    std::string getJavaType() const override;
 
     void emitReaderWriter(
             Formatter &out,