title: What are variables without public, private or protected declared as?
body: <p>If instead of:</p>
  
  <pre><code>private JButton theButton;
  </code></pre>
  
  <p>I define a field like this:</p>
  
  <pre><code>JButton theButton;
  </code></pre>
  
  <p>What is the difference?</p>