title: How to change gap in swing label
body: <p>I create some label: </p>
  
  <pre><code>leftLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
  leftLabel.setFont(new Font(FONT, Font.PLAIN, 280));
  leftLabel.setBorder(BorderFactory.createTitledBorder("aaa"));
  leftLabel.setText("0");
  </code></pre>
  
  <p>which look like this: <img src="https://i.stack.imgur.com/nJc5q.png" alt="enter image description here"></p>
  
  <p>As you can see there are big gap up and down. How I can reduce it ?</p>