title: java transform projection EPSG:900913 to EPSG:4326
body: <p>in the openlayers 
  we can simple transform EPSG:900913 to EPSG:4326<br>
  I'm look for a java lib can do that.<br>
  here I found this,
  <a href="http://www.jhlabs.com/java/maps/proj/index.html" rel="nofollow noreferrer">http://www.jhlabs.com/java/maps/proj/index.html</a><br></p>
  
  <p>but the document is in c++<br>
   I don't know how to use it.</p>
  
  <p><br>
  If anyone konw that,<br>
  please post a simple code</p>