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Tip Bank > Java > Enterprise Javabeans

Enterprise Javabeans

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Modifying Setters In Java
by Octavia Anghel
Language: Java, Expertise: Intermediate - See why, as a general rule, a bean should not modify its data, it is a data container, not business logic.
Using ThreadMXBean to Understand Threads
by M S Sridhar
Language: Java, Expertise: Intermediate - Use this interface to learn more about the threads in your code.
Using a JDBC Template
by Octavia Anghel
Language: Java, Expertise: Intermediate — Spring provides a nice abstraction on top of the JDBC API using JdbcTemplate and also provides great transaction management capabilities using annotation-based approach.
Managing Concurrent Requests with EJB Containers
by Anghel Leonard
A limitation of EJB containers is that they can't serialize complex objects. Find out how the PrePassivate and PostActivate methods overcome this shortcoming.
Using EJB Interceptors for Java EE Audits
by Leonard Anghel
With EJB interceptors, you can access the name, parameters, and EJB context of business methods.
How to Declare a java.util.Date in a EJB 3.0 Entity
by Leonard Anghel
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
by Leonard Anghel
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
by Leonard Anghel
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
by Leonard Anghel
In principle, in EJB 3.0, you can access a bean from another bean by looking it up in the interface (local or remote). Find out how.
Passivation/Activation of a Stateful Bean in EJB 3.0
by Leonard Anghel
The EJB container needs help when dealing with nonserializable objects. Find out how to provide it.
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