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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
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 ...
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