title: How to remove error Picked up _JAVA_OPTIONS: -Xmx512M?
body: <p>In java program, When I try to compile some code  it creates an error
  I get this message:</p>
  
  <p><code>Picked up _JAVA_OPTIONS: -Xmx512M</code></p>
  
  <p>what type of error is this the page <a href="https://stackoverflow.com/questions/11683715/suppressing-the-picked-up-java-options-message">Suppressing the &quot;Picked up _JAVA_OPTIONS&quot; message</a> <br>cannot solve problem ,how to change system variable in windows 7 ??</p>