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    <h4 class="jd-details-title">
      <span class="normal">
        public 
         
         
         
         
        boolean
      </span>
      <span class="sympad">isIdle</span>
      <span class="normal">()</span>
    </h4>
      <div class="api-level">
        <div>

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      </div>
    <div class="jd-details-descr">
      
  <div class="jd-tagdata jd-tagdescr"><p>Determine whether or not the queue is idle.</p></div>
  <div class="jd-tagda