--- a/jdk/src/share/classes/java/net/URLConnection.java	Thu Sep 15 14:10:30 2011 +0100
+++ b/jdk/src/share/classes/java/net/URLConnection.java	Fri Sep 16 12:09:04 2011 -0700
@@ -595,7 +595,7 @@
      * @since 1.4
      */
     public Map<String,List<String>> getHeaderFields() {
-        return Collections.EMPTY_MAP;
+        return Collections.emptyMap();
     }
 
     /**
@@ -659,6 +659,7 @@
      *          <code>Default</code> argument is returned if the field is
      *          missing or malformed.
      */
+    @SuppressWarnings("deprecation")
     public long getHeaderFieldDate(String name, long Default) {
         String value = getHeaderField(name);
         try {
@@ -1153,7 +1154,7 @@
             throw new IllegalStateException("Already connected");
 
         if (requests == null)
-            return Collections.EMPTY_MAP;
+            return Collections.emptyMap();
 
         return requests.getHeaders(null);
     }
@@ -1236,7 +1237,7 @@
         factory = fac;
     }
 
-    private static Hashtable handlers = new Hashtable();
+    private static Hashtable<String, ContentHandler> handlers = new Hashtable<>();
 
     /**
      * Gets the Content Handler appropriate for this connection.
@@ -1250,7 +1251,7 @@
         if (contentType == null)
             throw new UnknownServiceException("no content-type");
         try {
-            handler = (ContentHandler) handlers.get(contentType);
+            handler = handlers.get(contentType);
             if (handler != null)
                 return handler;
         } catch(Exception e) {
@@ -1316,7 +1317,7 @@
 
             try {
                 String clsName = packagePrefix + "." + contentHandlerClassName;
-                Class cls = null;
+                Class<?> cls = null;
                 try {
                     cls = Class.forName(clsName);
                 } catch (ClassNotFoundException e) {