 apilevel-1"> 
    <h4 class="jd-details-title">
      <span class="normal">
        public 
         
         
         
         
        
      </span>
      <span class="sympad">ExecutorCompletionService</span>
      <span class="normal">(<a href="../../../../reference/java/util/concurrent/Executor.html">Executor</a> executor, <a href="../../../../reference/java/util/concurrent/BlockingQueue.html">BlockingQueue</a>&lt;<a href="../../../../reference/java/util/concurrent/Future.html">Future</a>&lt;V&gt;&