【正文】
such mon concerns as persistence, transactional integrity, and security in a standard way, leaving programmers free to concentrate on the particular problem at hand. ? Accordingly, the EJB specification details how an application server provides: 樣例文本 B ? The EJB specification intends to provide a standard way to implement the backend 39。business39。 code typically found in enterprise applications (as opposed to 39。frontend39。 interface code). Such code addresses the same types of problems, and solutions to these problems are often repeatedly reimplemented by programmers. Enterprise JavaBeans are intended to handle such mon concerns as persistence, transactional integrity, and security in a standard way, leaving programmers free to concentrate on the particular problem at hand. ? Accordingly, the EJB specification details how an