Currently browsing category

Java EE, Page 20

java-ee-thumbnail

Java Security Packages using JCA/JCE

In this tutorial, the author explains the cryptography-related concepts and packages in JDK,with code examples.Many of the concepts and technical terms thus learnt will …

java-ee-thumbnail

Java Messaging Service(JMS)

Distributed Object Technologies like RMI, CORBA and DCOM areadvanced variants of RPC(Remote-Procedure-Call).EJB( SessionBeans % Entity Beans)is essentially built on the RMI-IIOP model,( a combination of …

java-ee-thumbnail

JSTL and SQL-TAGS

The Struts community has ordained that JSP should bestrictly a ‘view-technology’, in the Model-View-Controller Architecture. According to Struts philosophy, JSP should not deal with Data-Accesss and …

java-ee-thumbnail

JSTL and XML-TAGS

No one can have any second opinion about the elegance of xml tags in JSTL. If the readers have been following the earlier installments …

java-ee-thumbnail

An Introduction to JSTL

AsJ2EE programmers, we are familiar with Servlets , JSPand JavaBeans.Any JSP page should encapsulate the business logic in a bean and invoke it …

java-ee-thumbnail

Hibernate Vs EJB 3.0

Originally published in DeveloperIQ magazine What is CMP and BMP in EJB? So, why is it that Entity beans alone were found …

java-ee-thumbnail

Expression Language in JSP 2.0

1)Introduction Expression Language was first introduced in JSTL 1.0 (JSP Standard Tag Library ). Before the introduction of JSTL, scriptlets were used …

java-ee-thumbnail

The Query API in JPA (EJB 3.0)

Introduction One of the disadvantage of locating the entity objects using the EntityManager.find() and EntityManager.getReference() methods is, we cannot specify any powerful …