title: How to round *down* integers in Java?
body: <p>I'd like to round integers down to their nearest 1000 in Java.</p>
  
  <p>So for example:</p>
  
  <ul>
  <li>13,623 rounds to 13,000</li>
  <li>18,999 rounds to 18,000</li>
  <li>etc</li>
  </ul>