title: How to make the vertical gap in a BoxLayout smaller?
body: <p>I've got the following form which uses a vertical BoxLayout and FlowLayout JPanels for rows:</p>
  
  <p><img src="https://i.stack.imgur.com/xDCi0.jpg" alt="enter image description here"></p>
  
  <p>How can I make the huge gap between each row smaller?  This is my code:</p>