--- title: e-Zest members share technology ideas to foster digital transformation. | Madhura Oak (4) description: Madhura Oak is a Technical Architect at e-Zest Solutions Ltd. and has over 12 years experience in Java technologies. She works on architecture, design and development of applications in Java EE, Spring, Hibernate and XML technologies. 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[Read more](https://blog.e-zest.com/csr/e-zest-solutions-supports-digital-pune-mission) - [Work](https://www.e-zest.com/our-work) - [Services](https://www.e-zest.com/our-services) - [Insights](https://blog.e-zest.com) - [Careers](https://www.e-zest.com/careers) - [Enterprise Data](https://www.e-zest.com/enterprise-data-services) - [Generative AI](https://www.e-zest.com/generative-ai) - [Innovations](https://www.e-zest.com/innovations) - [Healthcare](https://healthcare.e-zest.com) - [About](https://www.e-zest.com/about-us) - [Contact](https://www.e-zest.com/contact-us) - [Blog](https://blog.e-zest.com/) - [News](https://blog.e-zest.com/news) - [CSR](https://blog.e-zest.com/csr) - [![Linkedin Icon](https://blog.e-zest.com/hubfs/icons/linkedin_icon_white.svg)](https://www.linkedin.com/company/e-zest-solutions/) - [![Twitter Icon](https://blog.e-zest.com/hubfs/twitter-logo-silhouette%20(5).svg)](https://twitter.com/ezest) - [![Facebook Icon](https://blog.e-zest.com/hubfs/facebook-app-logo%20(4).svg)](https://www.facebook.com/61259256638) - [![Instagram Icon](https://blog.e-zest.com/hubfs/instagram-logo%20(4).svg)](https://www.instagram.com/ezestsolutions/) - [![Youtube Icon](https://blog.e-zest.com/hubfs/icons/youtube_icon_white.svg)](https://www.youtube.com/user/ezestcorporate) [![Go to top icon](https://blog.e-zest.com/hubfs/AA%20Assets/top%20button.svg)](https://blog.e-zest.com/author/madhura-oak/page/4#top) Hit enter to search or ESC to close Insights e-Zest members share technology ideas to foster digital transformation. - [Blog](https://blog.e-zest.com) - [News](https://blog.e-zest.com/news) - [Podcasts](https://www.e-zest.com/podcasts) - [Healthcare](https://blog.e-zest.com/healthcare) - [CSR](https://blog.e-zest.com/csr) - [Whitepaper](https://blog.e-zest.com/whitepaper) - [Playbook](https://blog.e-zest.com/playbook) - [Media Kit](https://www.e-zest.com/media-kit) ## [The Executor Framework – Part II](https://blog.e-zest.com/the-executor-framework-part-ii/) [In the Part I of](https://blog.e-zest.com/the-executor-framework-part-ii/)[Executor Framework](https://blog.e-zest.com/blog/the-executor-framework-part-i/) 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](https://blog.e-zest.com/the-executor-framework-part-i/) ## [Public Key Infrastructure](https://blog.e-zest.com/public-key-infrastructure/) [There are two types of cryptography – *symmetric and asymmetric*. In one of my previous blog posts, I had written about](https://blog.e-zest.com/public-key-infrastructure/)[symmetric cryptography](https://blog.e-zest.com/blog/symmetric-cryptography/). In this blog ... #### By Madhura Oak Jan 23, 2013 ## [Synchronizers In Java - CyclicBarrier](https://blog.e-zest.com/synchronizers-in-java-cyclicbarrier/) [Along with](https://blog.e-zest.com/synchronizers-in-java-cyclicbarrier/)[`CountDownLatch`](https://blog.e-zest.com/blog/countdownlatch/), [`FutureTask`](http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/FutureTask.html) and [`Semaphore`](https://blog.e-zest.com/blog/semaphore-in-java/), the Concurrency API in Java 5 also introduced a barrier – [`CyclicBarrier`](http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/CyclicBarrier.html). 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](https://blog.e-zest.com/changing-entity-type-in-jpa/) ## [Semaphore in Java](https://blog.e-zest.com/semaphore-in-java/) [The Concurrency API introduced in Java 5 has a](https://blog.e-zest.com/semaphore-in-java/)[`Semaphore`](http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/Semaphore.html) class. It provides the same concept of semaphore as invented by [Edsger Dijkstra](http://en.wikipedia.org/wiki/Edsger_Dijkstra). It can be used to ... #### By Madhura Oak Nov 16, 2012 ## Helping Organizations Thrive in the Digital Age [Contact Us](https://www.e-zest.com/contact-us) - [About](https://www.e-zest.com/about-us) - [Services](https://www.e-zest.com/our-services) - [Work](https://www.e-zest.com/our-work) - [Insights](https://blog.e-zest.com/) - [Healthcare](https://healthcare.e-zest.com/) - [Accion Labs](https://www.accionlabs.com/) - - - - - - Dallas - Detroit - Hannover - Vienna - London - Pune © 2025 e-Zest Solutions - [Privacy Policy](https://www.e-zest.com/privacypolicy) - [Cookie Policy](https://www.e-zest.com/cookie-policy) Contact us Contact us e-Zest is a leading digital innovation partner for enterprises and technology companies that utilizes emerging technologies for creating engaging customers experiences. Being a customer-focused and technology-driven company, it always helps clients in crafting holistic business value for their software development efforts. 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