--- old/src/share/classes/java/lang/Thread.java	2010-12-15 14:40:29.504183577 -0800
+++ new/src/share/classes/java/lang/Thread.java	2010-12-15 14:40:29.279331486 -0800
@@ -1643,7 +1643,7 @@
         Thread[] threads = getThreads();
         StackTraceElement[][] traces = dumpThreads(threads);
         Map<Thread, StackTraceElement[]> m
-            = new HashMap<Thread, StackTraceElement[]>(threads.length);
+            = new HashMap<>(threads.length);
         for (int i = 0; i < threads.length; i++) {
             StackTraceElement[] stackTrace = traces[i];
             if (stackTrace != null) {
@@ -1664,11 +1664,11 @@
     private static class Caches {
         /** cache of subclass security audit results */
         static final ConcurrentMap<WeakClassKey,Boolean> subclassAudits =
-            new ConcurrentHashMap<WeakClassKey,Boolean>();
+            new ConcurrentHashMap<>();
 
         /** queue for WeakReferences to audited subclasses */
         static final ReferenceQueue<Class<?>> subclassAuditsQueue =
-            new ReferenceQueue<Class<?>>();
+            new ReferenceQueue<>();
     }
 
     /**