162   ZParallelOopsDo<ZConcurrentWeakRootsIterator, &ZConcurrentWeakRootsIterator::do_jni_weak_handles> _jni_weak_handles;

   162   ZParallelOopsDo<ZConcurrentWeakRootsIterator, &ZConcurrentWeakRootsIterator::do_jni_weak_handles> _jni_weak_handles;

   163   ZParallelOopsDo<ZConcurrentWeakRootsIterator, &ZConcurrentWeakRootsIterator::do_string_table>     _string_table;

   163   ZParallelOopsDo<ZConcurrentWeakRootsIterator, &ZConcurrentWeakRootsIterator::do_string_table>     _string_table;

   164 

   164 

   165 public:

   165 public:

   166   ZConcurrentWeakRootsIterator();

   166   ZConcurrentWeakRootsIterator();

   167 

   168 

   168   void oops_do(OopClosure* cl);

   169   void oops_do(OopClosure* cl);

   169 };

   170 };

   170 

   171 

   171 class ZThreadRootsIterator {

   172 class ZThreadRootsIterator {