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e-Zest members share technology ideas to foster digital transformation.

The Executor Framework – Part II

In the Part I of Executor Framework blog post series, I had written how it can be used to create a single worker thread for sequential execution of tasks and ...

By Madhura Oak Feb 18, 2013

The Executor Framework – Part I

Multithreading is one of the important features of Java programming language. A thread runs a task and thus multiple threads enable execution of multiple tasks ...

By Madhura Oak Feb 11, 2013

Public Key Infrastructure

There are two types of cryptography – symmetric and asymmetric. In one of my previous blog posts, I had written about symmetric cryptography. In this blog ...

By Madhura Oak Jan 23, 2013

Synchronizers In Java - CyclicBarrier

Along with CountDownLatch, FutureTask and Semaphore, the Concurrency API in Java 5 also introduced a barrier – CyclicBarrier. This class is used as a barrier ...

By Madhura Oak Dec 03, 2012

Changing Entity Type In JPA

While using entities in an inheritance hierarchy, you may sometimes need to change the entity from superclass type to subclass type or from one subclass type ...

By Madhura Oak Nov 27, 2012

Semaphore in Java

The Concurrency API introduced in Java 5 has a Semaphore class. It provides the same concept of semaphore as invented by Edsger Dijkstra. It can be used to ...

By Madhura Oak Nov 16, 2012

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