Prakash explores different ways to obtain database connections when developing with EJBs. He discusses the life cycle of EntityBeans, as well as various strategies for obtaining and releasing connections at different points in the EntityBean's life cycle. Finally, he looks at the advantages and disadvantages of the strategies and provides recommendations for selecting an appropriate strategy based on different situations.
E-business messaging is a rapidly growing category of messaging middleware architected to meet the unique requirements of information integration and exchange over the Internet. With a little work, SonicMQ 2000.1 can be turned into the backbone of an EAI solution.
Since the introduction of JSP technology, two architectures have emerged for building server-side Web applications in Java. The first involves JSPs only, and the second uses JSPs and Servlets together. Stephen discusses the two architectures, outlines the trade-offs, and suggests some rules to help decide which technique is right.