--- a/jdk/src/share/classes/java/util/concurrent/atomic/AtomicLongFieldUpdater.java	Mon Dec 05 12:24:17 2011 +0000
+++ b/jdk/src/share/classes/java/util/concurrent/atomic/AtomicLongFieldUpdater.java	Mon Dec 05 13:58:44 2011 +0000
@@ -265,11 +265,11 @@
         private static final Unsafe unsafe = Unsafe.getUnsafe();
         private final long offset;
         private final Class<T> tclass;
-        private final Class cclass;
+        private final Class<?> cclass;
 
         CASUpdater(Class<T> tclass, String fieldName) {
             Field field = null;
-            Class caller = null;
+            Class<?> caller = null;
             int modifiers = 0;
             try {
                 field = tclass.getDeclaredField(fieldName);
@@ -282,7 +282,7 @@
                 throw new RuntimeException(ex);
             }
 
-            Class fieldt = field.getType();
+            Class<?> fieldt = field.getType();
             if (fieldt != long.class)
                 throw new IllegalArgumentException("Must be long type");
 
@@ -348,11 +348,11 @@
         private static final Unsafe unsafe = Unsafe.getUnsafe();
         private final long offset;
         private final Class<T> tclass;
-        private final Class cclass;
+        private final Class<?> cclass;
 
         LockedUpdater(Class<T> tclass, String fieldName) {
             Field field = null;
-            Class caller = null;
+            Class<?> caller = null;
             int modifiers = 0;
             try {
                 field = tclass.getDeclaredField(fieldName);
@@ -365,7 +365,7 @@
                 throw new RuntimeException(ex);
             }
 
-            Class fieldt = field.getType();
+            Class<?> fieldt = field.getType();
             if (fieldt != long.class)
                 throw new IllegalArgumentException("Must be long type");