DevX Tips Bank: Enterprise Javabeans

Modifying Setters In Java

Language: Java, Expertise: Intermediate - See why, as a general rule, …

Using ThreadMXBean to Understand Threads

Language: Java, Expertise: Intermediate - Use this interface to learn …

Using a JDBC Template

Language: Java, Expertise: Intermediate — Spring …

Managing Concurrent Requests with EJB Containers

A limitation of EJB containers is that they can't serialize complex objects. Find out how …

Using EJB Interceptors for Java EE Audits

With EJB interceptors, you can access the name, parameters, and EJB context of business …

How to Declare a java.util.Date in a EJB 3.0 Entity

To map a date value to a Java date in EJB 3.0, use this code.

Writing a Parameterized SQL Query in EJB 3.0

Follow this DELETE statement example to write parameterized SQL queries in EJB 3.0.

Inject an EJB 3.0 into the init() Method of a Servlet

This tip shows you how to inject an EJB 3.0 into the init() method of a servlet.

Look Up a Bean Interface in EJB 3.0

In principle, in EJB 3.0, you can access a bean from another bean by looking it up in the …

Passivation/Activation of a Stateful Bean in EJB 3.0

The EJB container needs help when dealing with nonserializable objects. Find out how to …

Use the "Service Locator" Design Pattern with the J2EE Architechture

This tip is an extension of a Design Pattern called "Service Locator" for the J2EE …

Improve Performance by Re-using EJB Homes and DataSources

Obtaining EJB homes and DataSources from an application server requires the allocation of …

Write a Primary Key Class in CMP EJB

Check if a Given String Is a Palindrome

This code checks if a given string is a palindrome. ...

Use an Adapter Class To Provide Empty Implementations For Javabean Interfaces

Like many high-level, abstract, and portable concepts, EJB spec has ...