Author: Sumith Puri

Sumith Kumar Puri
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 17.5yrs 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;]

  • Clean Shutdown of Spring Boot Applications

    Article discusses and presents five ways to shutdown Spring Boot apps cleanly. It provides inline code samples and link to GitHub.

    Sumith Kumar Puri
    Sumith Puri
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  • Starting Docker Desktop with Spring Boot

    In this article, we discuss Docker Desktop, including the Docker file, creating/pushing Docker images, creating/running Docker containers.

    Sumith Kumar Puri
    Sumith Puri
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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.

    Sumith Kumar Puri
    Sumith Puri
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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.

    Sumith Kumar Puri
    Sumith Puri
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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 Kumar Puri
    Sumith Puri
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  • SKP’s Agile Cheatsheet: Part 01

    SKP’s Agile Cheatsheet listing the most important terms in agile, devops, scrum, lean, kanban, and more.

    Sumith Kumar Puri
    Sumith Puri
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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 Kumar Puri
    Sumith Puri
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  • 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.

    Sumith Kumar Puri
    Sumith Puri
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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.

    Sumith Kumar Puri
    Sumith Puri
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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.

    Sumith Kumar Puri
    Sumith Puri
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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 Kumar Puri
    Sumith Puri
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