docs: public Object get(Object key) {
        NonSyncHashtableEntry tab[] = table;
        int hash = key.hashCode();
        int index = (hash & 0x7FFFFFFF) % tab.length;
        for (NonSyncHashtableEntry e = tab[index]; e != null; e = e.next) {
           if ((e.hash == hash) && e.key.equals(key)) {
              return e.value;
           }
        }
        return null;
     }