.  <DT><A HREF="../jjil/algorithm/BinaryHeap.html#isEmpty()"><B>isEmpty()</B></A> -   Method in class jjil.algorithm.<A HREF="../jjil/algorithm/BinaryHeap.html" title="class in jjil.algorithm">BinaryHeap</A>  <DD>Test if the priority queue is logically empty.  <DT><A HREF="../jjil/algorithm/Gray0SubImageGenerator.html#isEmpty()"><B>isEmpty()</B></A> -   Method in class jjil.algorithm.<A HREF="../jjil/algorithm/Gray0SubImageGenerator.html