/../reference/java/util/concurrent/atomic/AtomicLong.html">AtomicLong</a></td>
              <td class="jd-descrcol" width="100%">A <code>long</code> value that may be updated atomically.&nbsp;</td>
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              <td class="jd-linkcol"><a href="../../../../../reference/java/util/concurrent/atomic/AtomicLongArray.html">AtomicLongArray</a></td>
              <td class="jd-descrcol" width="100%">A <code>long</code> array in which elements may be updated ato