J2ee Online Training
The Java 2 Platform, Enterprise Edition (J2EE) is the Java architecture for developing multitier enterprise applications. As part of J2EE, JSP pages have access to all J2EE components, including JavaBeans and Enterprise JavaBeans components and Java servlets. JSP pages are actually compiled into servlets, so they have all of the benefits of these flexible, server-side Java applications. The J2EE platform containers manage the complexities of enterprise applications, including transaction management and resource pooling.
JSP pages have access to all of the standard J2EE services, including:
Java Naming and Directory InterfaceTM API
JDBCTM API (communicating with relational databases)
JavaMailTM (classes supporting Java-based mail and messaging applications)
JavaTM Message Service (JMS)
Through J2EE, JSP pages can interact with enterprise systems in many ways. J2EE supports two CORBA-compliant technologies: Java IDL and RMI-IIOP. With Enterprise JavaBeans technology, JSP pages can access databases using high-level, object-relational mappings.
Finally, because JSP technology was developed through the Java Community Process, it has wide support from tool, Web server and application server vendors. This enables users and partners take a best-of-breed approach, selecting the best tools for their specific applications while protecting their investment in code and in personnel training.
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