" title="class or interface in java.util.concurrent" class="externalLink">ExecutionException</a></code></dd>
</dl>
</li>
</ul>
<a id="combineNSingleAtATime(java.util.List,int)">
<!--   -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>combineNSingleAtATime</h4>
<pre class="methodSignature">public static&nbsp;<a href="../colgroup/AColGroup.html" title="class in org.apache.sysds.runtime.compress.colgroup">AColGroup</a>&nbsp;combineNSingleAtATime&#8203;(<a href="https://docs.oracle.com/en/java/javase/