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…

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Java Concurrency Tutorial – Thread-safe designs

After reviewing what the main risks are when dealing with concurrent programs (like atomicity or visibility), we will go through…

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Java Concurrency Tutorial – Visibility between threads

When sharing an object’s state between different threads, other issues besides atomicity come into play. One of them is visibility.…

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Java Concurrency Tutorial – Atomicity and race conditions

Atomicity is one of the key concepts in multi-threaded programs. We say a set of actions is atomic if they…

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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…

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Java’s Volatile Modifier

A while ago I wrote a Java servlet Filter that loads configuration in its init function (based on a parameter from…

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Java EE Concurrency API Tutorial

This is a sample chapter taken from the Practical Java EE 7 development on WildFly book edited by Francesco Marchioni.…

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Top 50 Java Thread Interview Questions Answers for Freshers, Experienced Programmers

You go to any Java interview, senior or junior, experience or freshers,  you are bound to see couple of questions…

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Adding @atomic operations to Java

Overview How might atomic operations work in Java, and is there a current alternative in OpenJDK/Hotspot it could translate to.…

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