Cleaned up InMemory* create() methods
diff --git a/scim-server/scim-server-example/scim-server-memory/src/main/java/edu/psu/swe/scim/memory/service/InMemoryGroupService.java b/scim-server/scim-server-example/scim-server-memory/src/main/java/edu/psu/swe/scim/memory/service/InMemoryGroupService.java
index 3d63c2b..4981bf9 100644
--- a/scim-server/scim-server-example/scim-server-memory/src/main/java/edu/psu/swe/scim/memory/service/InMemoryGroupService.java
+++ b/scim-server/scim-server-example/scim-server-memory/src/main/java/edu/psu/swe/scim/memory/service/InMemoryGroupService.java
@@ -25,13 +25,12 @@
   @Override
   public ScimGroup create(ScimGroup resource) {
     String resourceId = resource.getId();
-    int resourceHashCode = resource.hashCode();
-    String id = resourceId != null ? resourceId : Integer.toString(resource.hashCode());
-    int offset = 1;
+    int idCandidate = resource.hashCode();
+    String id = resourceId != null ? resourceId : Integer.toString(idCandidate);
 
     while (groups.containsKey(id)) {
-      id = Integer.toString(resourceHashCode + offset);
-      offset += 1;
+      id = Integer.toString(idCandidate);
+      ++idCandidate;
     }
     groups.put(id, resource);
     resource.setId(id);
diff --git a/scim-server/scim-server-example/scim-server-memory/src/main/java/edu/psu/swe/scim/memory/service/InMemoryUserService.java b/scim-server/scim-server-example/scim-server-memory/src/main/java/edu/psu/swe/scim/memory/service/InMemoryUserService.java
index 66ec2c7..a572a43 100644
--- a/scim-server/scim-server-example/scim-server-memory/src/main/java/edu/psu/swe/scim/memory/service/InMemoryUserService.java
+++ b/scim-server/scim-server-example/scim-server-memory/src/main/java/edu/psu/swe/scim/memory/service/InMemoryUserService.java
@@ -72,13 +72,12 @@
   @Override
   public ScimUser create(ScimUser resource) {
     String resourceId = resource.getId();
-    int resourceHashCode = resource.hashCode();
-    String id = resourceId != null ? resourceId : Integer.toString(resourceHashCode);
-    int offset = 1;
+    int idCandidate = resource.hashCode();
+    String id = resourceId != null ? resourceId : Integer.toString(idCandidate);
 
     while (users.containsKey(id)) {
-      id = Integer.toString(resourceHashCode + offset);
-      offset += 1;
+      id = Integer.toString(idCandidate);
+      ++idCandidate;
     }
     users.put(id, resource);
     resource.setId(id);