diff --git a/TestVectors/dafny/DDBEncryption/src/Index.dfy b/TestVectors/dafny/DDBEncryption/src/Index.dfy
index 77e49e3db..12d07318c 100644
--- a/TestVectors/dafny/DDBEncryption/src/Index.dfy
+++ b/TestVectors/dafny/DDBEncryption/src/Index.dfy
@@ -17,8 +17,8 @@ module WrappedDDBEncryptionMain {
   import KeyVectors
   import KeyVectorsTypes = AwsCryptographyMaterialProvidersTestVectorKeysTypes
 
-
-  const DEFAULT_KEYS : string := "../../../submodules/MaterialProviders/TestVectorsAwsCryptographicMaterialProviders/dafny/TestVectorsAwsCryptographicMaterialProviders/test/keys.json"
+  const {:extern "Utils.constants", "getDefaultKeys"} DEFAULT_KEYS : string
+  // const DEFAULT_KEYS : string := "../../../submodules/MaterialProviders/TestVectorsAwsCryptographicMaterialProviders/dafny/TestVectorsAwsCryptographicMaterialProviders/test/keys.json"
 
   method AddJson(prev : TestVectorConfig, file : string, keyVectors: KeyVectors.KeyVectorsClient)
     returns (output : Result<TestVectorConfig, string>)
diff --git a/TestVectors/dafny/DDBEncryption/src/JsonConfig.dfy b/TestVectors/dafny/DDBEncryption/src/JsonConfig.dfy
index d07e572c9..1acc50915 100644
--- a/TestVectors/dafny/DDBEncryption/src/JsonConfig.dfy
+++ b/TestVectors/dafny/DDBEncryption/src/JsonConfig.dfy
@@ -32,7 +32,6 @@ module {:options "-functionSyntax:4"} JsonConfig {
   import CreateInterceptedDDBClient
   import DynamoDbItemEncryptor
 
-
   predicate IsValidInt32(x: int)  { -0x8000_0000 <= x < 0x8000_0000}
   type ConfigName = string
 
diff --git a/TestVectors/runtimes/java/src/main/java/Utils/constants.java b/TestVectors/runtimes/java/src/main/java/Utils/constants.java
new file mode 100644
index 000000000..99308f6ae
--- /dev/null
+++ b/TestVectors/runtimes/java/src/main/java/Utils/constants.java
@@ -0,0 +1,7 @@
+package Utils;
+
+public class constants {
+    public static dafny.DafnySequence<? extends Character> getDefaultKeys(){
+        return dafny.DafnySequence.asString("../../../submodules/MaterialProviders/TestVectorsAwsCryptographicMaterialProviders/dafny/TestVectorsAwsCryptographicMaterialProviders/test/keys.json");
+    }
+}
diff --git a/TestVectors/runtimes/java/src/main/java/filepath/Constants.java b/TestVectors/runtimes/java/src/main/java/filepath/Constants.java
new file mode 100644
index 000000000..dd21015bf
--- /dev/null
+++ b/TestVectors/runtimes/java/src/main/java/filepath/Constants.java
@@ -0,0 +1,7 @@
+package filepath;
+
+public class Constants {
+    public static dafny.DafnySequence<? extends Character> defaultKeys(){
+        return dafny.DafnySequence.asString("../../../submodules/MaterialProviders/TestVectorsAwsCryptographicMaterialProviders/dafny/TestVectorsAwsCryptographicMaterialProviders/test/keys.json");
+    }
+}