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  • Java: An Optional Implementation of Optional

    Java: An Optional Implementation of Optional
    by Per-Åke Minborg

    The class java.util.Optional is implemented as a single immutable concrete class that internally handles two cases; one with an element and one without. Wouldn't it... More

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  • Jakarta EE: Generation IV — A New Hope

    Jakarta EE: Generation IV — A New Hope
    by Otavio Santana

    Java Enterprise Edition (Java EE) is an umbrella that holds specifications and APIs with enterprise features, like distributed computing and web services. Widely... More

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How to Customize Serialization in Java Using the Externalizable Interface

How to Customize Serialization in Java Using the Externalizable Interface
by Naresh Joshi

In a previous article, Everything You Need to Know About Java Serialization Explained, I explained how we can serialize/deserialize one object using the Serializable interface...

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A Simple State Machine for Spring Boot Projects

A Simple State Machine for Spring Boot Projects
by Nalla Senthilnathan

There are many articles and open-source projects on state machines (Ref#1) that can be searched on Google or GitHub. The Spring team itself provides a state machine framework (Ref#2)....

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Understanding Cloud Computing

Refcard #082

Understanding Cloud Computing

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