title: Differences between Oracle JDK and OpenJDK
body: <blockquote>
    <p>NOTE:  This question is from 2014.  As of Java 11 OpenJDK and Oracle
    JDK are converging.</p>
  </blockquote>
  
  <p>Are there any crucial differences between Oracle and OpenJDK?</p>
  
  <p>For example, are the garbage collection and other JVM parameters the same?</p>
  
  <p>Does GC work differently between the two?</p>