In Java: what does += do or mean?
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/1355575/java-means-what">Java += Means What?</a>  </p>
</blockquote>



<p>Is <code>a += b</code> exactly equal to <code>a = a+b</code> ?</p>
