title: Is there any way to force GridLayout to leave empty cells?
body: <p>I have a JTabbedPane with 2 JPanels set to GridLayout(13, 11).  The first JPanel has enough of the cells filled out that it leaves the empty cells. 
  <img src="https://i.stack.imgur.com/MQlbl.png" alt="enter image description here"></p>
  
  <p>The second JPanel has significantly fewer cells filled and this results in each button getting stretched to fill an entire row.
  <img src="https://i.stack.imgur.com/qrVYa.png" alt="enter image description here"> </p>
  
  <p><strong>Is there any way to get GridLayout to honor the empty cells, so the buttons in both JPanels are the same size?</strong></p>