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Updates on CDI 2.0

CDI 2.0 is the next version of Contexts and Dependency Injection for the Java EE Platform and a candidate for inclusion in Java EE 8. It is being worked upon since September 2014 and ...
java-interview-questions-answers

What’s up with Java EE 8 ?

Work on Java EE 8 is well on it’s way. Time to catch up! Dive in without further ado… Don’t forget Java EE 7 just yet….. Revolved around three important themesHTML 5 alignment ...
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Optional and Objects: Null Pointer Saviours!

No one loves Null Pointer Exceptions ! Is there a way we can get rid of them ? Maybe . . .                    Couple of techniques have ...
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JVM PermGen – where art thou?

This post covers some basics of JVM memory structure and quickly peeks into PermGen to find out where it has disappeared since advent of Java SE 8. Bare Basics The JVM is just another ...
java-interview-questions-answers

EJB 3.x : Lifecycle and Concurrency models (part 2)

This is the second post of the two part series. The first part covered the life cycle and the concurrency behavior of Stateful and Stateless EJBs. I’ll cover Singleton EJBs in ...
java-interview-questions-answers

EJB 3.x : Lifecycle and Concurrency models (part 1)

Java EE component life cycle and concurrency related details might not be new for seasoned professionals, but it is something which can take time to sink in for beginners.                As ...
java-interview-questions-answers

Java EE: Asynchronous constructs and capabilities

Introduction Java EE has a number of APIs and constructs to support Asynchronous execution. This is vital from a scalability and performance stand point. Let us assume 2 modules which ...
java-interview-questions-answers

A closer look at Oracle IDM Auditing

Reporting is a vital functionality in any product which deals with sensitive information. Same applies to Identity & Access Management tools. Oracle IDM’s Auditing module acts ...
java-interview-questions-answers

New in JAX-RS 2.0 – @BeanParam annotation

JAX-RS is awesome to say the least and one of my favorites! Why?Feature rich Intuitive (hence the learning curve is not as steep) Easy-to-use and develop with Has great RIs – Jersey, ...
java-interview-questions-answers

Jersey SSE capability in Glass Fish 4.0.1

Glass Fish bundles different Reference Implementations for various Java EE specifications e.g. Weld for CDI, Mojarra for JSF, Tyrus for WebSocket, Jersey for JAX-RS. Glass Fish 4.0.1 ...
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