Open source and commercial implementations of pre-release EJB 3.0 specifications are already available from JBoss and Oracle. EJB 3.0 makes heavy use of Java annotations.

已有开源和商用服务器支持EJB3.0，EJB3.0大量使用标注。

youdao

Open source and commercial implementations of pre-release EJB 3.0 specifications are already available from JBoss and Oracle. EJB 3.0 makes heavy use of Java annotations.

已有开源和商用服务器支持EJB3.0，EJB3.0大量使用标注。

youdao