Author: Sumith Puri

Sumith is a Chief Java Scientist at Java Hero*, Bangalore, Karnataka, India. He is a Hard-Core Java / Java EE Architect and Developer with ~17yrs of Progressive Work Experience. He is an Ex-Yahoo, Symantec, Huawei, Infosys, [Oracle*, Finastra*, OpenText*, Atos*]. [Senior Member, ACM; Senior Member, IEEE; DZone MVB, DZone Core, Member, CSI*; Java Code Geek;]
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GoF Design Patterns Using Java – Part 02
Let’s continue learning design patterns by implementing the Adapter, Facade, Template, Iterator, and State patterns using Java.
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SKP’s Agile Cheatsheet : Part 03
SKP’s Agile Cheatsheet that lists the most important terminologies in Agile, Scrum, Lean, Kanban, and SAFe.
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SKP’s Agile Cheatsheet: Part 02
SKP’s Agile Cheatsheet is a three part series of articles focused on daily agile terminology, ideal to be printed out and pinned up near your workstation.
Sumith Puri -
SKP’s Agile Cheatsheet: Part 01
SKP’s Agile Cheatsheet listing the most important terms in agile, devops, scrum, lean, kanban, and more.
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SKP’s Definitive Primer: Failures, Pitfalls & Disadvantages of Microservices
Microservice adoption has almost become the norm in most software product and IT services organizations.
Below, I take the opportunity to make you aware of real-world issues faced by organizations of all sizes in migrating or adopting microservices.
Since learning from others’ mistakes and knowing pitfalls upfront can be helpful in preparing and planning better, this overview will be of help to those planning a shift to a microservices strategy.
Sumith Puri -
GoF Design Patterns Using Java – Part 01
To understand the philosophical and historical perspective on the Gang of Four’s design patterns, I made a short, 10-minute video, which was also my PluralSight Author Audition.
I came up with my own examples to understand design patterns further. Try downloading the code and see if it helps you in comprehending the patterns in a better way.
Some brief code snippets follow each pattern so you can get quick demonstrations. Feel free to bookmark this article as a quick reference/cheat sheet for when you want to quickly review each of them.
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Deep Dive Into Multi-Threading in Java
Multi-threading represents a very intriguing topic, even after years of research and development for high quality, robust, and efficient software. With equal emphasis on hardware improvements and the software that runs on it – we have newer paradigms for parallelism.
The most important yet basic concepts are the ones which I present here. I then explain the intricacies of multi-threading in the Java programming language. Some of these are newer features and supported only from the Java Platform Standard Edition 5.0. Let us start with a quick overview and understanding of the core concepts.
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Evolution of Java Memory Architecture (Post Java 7.0)
Welcome to the next part of a series of articles on key concepts in Core Java and J2EE. The series revolves around memory architecture, connection and memory leaks, core Java syntax and semantics, Java Object layout/anatomy, multi-threading, asynchronous task execution, design patterns, Java agents, class loading, API design, OOPs & SOLID.
Today, we learn about the evolution of the Java Memory Architecture, post Java 7.0.
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Evolution of Java Memory Architecture (Pre Java 8.0)
Welcome to a series of articles on key concepts in Core Java and J2EE. The series revolves around memory architecture, connection and memory leaks, core Java syntax and semantics, Java Object layout/anatomy, multi-threading, asynchronous task execution, design patterns, Java agents, class loading, API design, OOPs & SOLID.
In this part, we focus on the Java Memory Architecture, from before Java 8.
Sumith Puri