--- a/jdk/src/share/classes/sun/management/Flag.java	Sat Feb 06 09:26:57 2010 -0800
+++ b/jdk/src/share/classes/sun/management/Flag.java	Mon Feb 08 23:02:28 2010 -0800
@@ -68,27 +68,42 @@
     }
 
     static Flag getFlag(String name) {
-        Flag[] fs = new Flag[1];
         String[] names = new String[1];
         names[0] = name;
-        int count = getFlags(names, fs, 1);
-        if (count == 1) {
-            return fs[0];
+
+        List<Flag> flags = getFlags(names, 1);
+        if (flags.isEmpty()) {
+            return null;
         } else {
-            return null;
+            // flags should have only one element
+            return flags.get(0);
         }
     }
 
     static List<Flag> getAllFlags() {
         int numFlags = getInternalFlagCount();
-        Flag[] fs = new Flag[numFlags];
 
         // Get all internal flags with names = null
-        int count = getFlags(null, fs, numFlags);
-        return Arrays.asList(fs);
+        return getFlags(null, numFlags);
+    }
+
+    private static List<Flag> getFlags(String[] names, int numFlags) {
+        Flag[] flags = new Flag[numFlags];
+        int count = getFlags(names, flags, numFlags);
+
+        List<Flag> result = new ArrayList<Flag>();
+        for (Flag f : flags) {
+            if (f != null) {
+                result.add(f);
+            }
+        }
+        return result;
     }
 
     private static native String[] getAllFlagNames();
+    // getFlags sets each element in the given flags array
+    // with a Flag object only if the name is valid and the
+    // type is supported. The flags array may contain null elements.
     private static native int getFlags(String[] names, Flag[] flags, int count);
     private static native int getInternalFlagCount();