Use primitive int instead of Integer

Author: tbelaire

src/main/java/com/microsoft/graph/serializer/DefaultSerializer.java

@@ -156,8 +156,8 @@ else if (fieldObject instanceof List) {
 							final List<?> fieldObjectList = (List<?>) fieldObject;
 							if (collectionJson != null && collectionJson.isJsonArray()) {
 								final JsonArray rawJsonArray = (JsonArray) collectionJson;
-								final Integer fieldObjectListSize = fieldObjectList.size();
-								final Integer rawJsonArraySize = rawJsonArray.size();
+								final int fieldObjectListSize = fieldObjectList.size();
+								final int rawJsonArraySize = rawJsonArray.size();
 								for (int i = 0; i < fieldObjectListSize && i < rawJsonArraySize; i++) {
 									final Object element = fieldObjectList.get(i);
 									if (element instanceof IJsonBackedObject) {
@@ -167,7 +167,7 @@ else if (fieldObject instanceof List) {
 										}
 									}
 								}
-								if (!rawJsonArraySize.equals(fieldObjectListSize)) {
+								if (rawJsonArraySize != fieldObjectListSize) {
 									logger.logDebug("rawJsonArray has a size of " + rawJsonArraySize + " and fieldObjectList of " + fieldObjectListSize);
                                 }
 							}