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Enterprise Java

How to Secure REST APIs with Spring Security and JWT (2025 Edition)
In 2025, stateless authentication remains the go-to approach for securing REST APIs. Spring Security combined with JWT (JSON Web Tokens)…
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JVM Languages

Compress and Decompress ZIP Files in Kotlin
Kotlin, a modern programming language for Android and JVM development, offers built-in support for working with files and archives, including…
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Core Java

GitHub Access with Java
The GitHub API enables developers to programmatically interact with GitHub’s services. Using the github-api Java client library (developed by Kohsuke…
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Core Java

How to Use Java 21’s Virtual Threads in Real-World Web Applications
With the release of Java 21, virtual threads — part of Project Loom — are now stable and production-ready. This…
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Core Java

Running Java Apps on AWS Lambda with SnapStart: Is It Production-Ready Yet?
Running Java applications on AWS Lambda has always faced one major challenge: cold starts. Especially when using Spring Boot, startup…
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Java

@Context Complex Source Mappings Example
1. Introduction The org.mapstruct.Context annotation from MapStruct, a Java annotation processor for generating type-safe bean mapping code, marks a parameter…
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