Since June 2008, OpenJDK passed all of the compatibility tests in the Java SE 6 JCK and can claim to be a fully compatible Java 6 implementation. OpenJDK can run complex applications such as Eclipse, GlassFish, WildFly, or Netbeans.
Starting from June 2008, OpenJDK has consistently passed all of the compatibility tests in the Java SE 6 JCK, thereby qualifying it as a fully compatible Java 6 implementation. OpenJDK can run sophisticated applications like Eclipse, GlassFish, WildFly, or Netbeans.