code: boolean isEmptyChain()
    {
      if (tc.isEntryEnabled())
        tc.entry(this,cclass, "isEmptyChain");
  
      boolean result = next == null && isEmpty();
  
      if (tc.isEntryEnabled())
        tc.exit(this,cclass, "isEmptyChain", "result: " + new Boolean(result));
      return result;
    }
docs: Tests for emptiness of the entire chain (called on the anchor)