diff -r f497cf8621b3 -r bb34a70d36ba samples/singletons/src/org/apidesign/singletons/api/DialogDisplayer.java
--- a/samples/singletons/src/org/apidesign/singletons/api/DialogDisplayer.java	Wed Jan 27 20:49:32 2010 +0100
+++ b/samples/singletons/src/org/apidesign/singletons/api/DialogDisplayer.java	Sat Oct 15 22:11:18 2011 +0200
@@ -51,7 +51,8 @@
 
         // BEGIN: singletons.injectable.lookup
         private static DialogDisplayer initializeLookup() {
-            DialogDisplayer def = Lookup.getDefault().lookup(DialogDisplayer.class);
+            final Lookup lkp = Lookup.getDefault();
+            DialogDisplayer def = lkp.lookup(DialogDisplayer.class);
             return def != null ? def : new Impl();
         }
         // END: singletons.injectable.lookup