[BUG] [Java] Invalid code generation for oneof types. #18544

Author: Bethibande

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/ArrayOneOf.java

@@ -64,6 +64,7 @@ public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
             }
             final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class);
             final TypeAdapter<Integer> adapterInteger = gson.getDelegateAdapter(this, TypeToken.get(Integer.class));
+
             final Type typeInstance = new TypeToken<List<String>>(){}.getType();
             final TypeAdapter<List<String>> adapterListString = (TypeAdapter<List<String>>) gson.getDelegateAdapter(this, TypeToken.get(typeInstance));
 

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/Value.java

@@ -65,6 +65,7 @@ public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
             }
             final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class);
             final TypeAdapter<Scalar> adapterScalar = gson.getDelegateAdapter(this, TypeToken.get(Scalar.class));
+
             final Type typeInstance = new TypeToken<List<Scalar>>(){}.getType();
             final TypeAdapter<List<Scalar>> adapterListScalar = (TypeAdapter<List<Scalar>>) gson.getDelegateAdapter(this, TypeToken.get(typeInstance));