title: What does %= mean in Java?
body: <p>How does %= work in Java? I've been told that it can be used to reassign a value?</p>
  
  <p>Grateful if anyone could teach! Thanks!</p>
  
  <pre><code>minutes=0;
  while(true){
  minutes++;
  minutes%=60;
  }
  </code></pre>