CyberJAR

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Welcome to CyberJAR, your interface to bleeding-edge Java tech insights. We jar up hardcore content on Java and Spring, experiment with GraalVM, and assemble state-of-the-art container images for Java. Keep the connection alive!

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Data Structures and Algorithms Explained with Java

Data Structures and Algorithms Explained with Java CyberJAR

434 views - 1 week ago

AI Code Risks: From Hallucinated Dependencies to Privacy Leaks

AI Code Risks: From Hallucinated Dependencies to Privacy Leaks CyberJAR

317 views - 3 weeks ago

Java 27: 9 New JEPs and What They Mean for You

Java 27: 9 New JEPs and What They Mean for You CyberJAR

4.6K views - 4 weeks ago

Spring, Quarkus, Jooby, Vert.x: Which Fits Your Architecture?

Spring, Quarkus, Jooby, Vert.x: Which Fits Your Architecture? CyberJAR

747 views - 1 month ago

Async Profiler for Java: Local and Container Profiling

Async Profiler for Java: Local and Container Profiling CyberJAR

357 views - 1 month ago

8 Dockerfile Crimes Java Teams Still Ship

8 Dockerfile Crimes Java Teams Still Ship CyberJAR

778 views - 1 month ago

Quarkus in 2026: A Practical Roadmap for Java Devs

Quarkus in 2026: A Practical Roadmap for Java Devs CyberJAR

1K views - 1 month ago

Advanced Git Commands Every Developer Needs

Advanced Git Commands Every Developer Needs CyberJAR

526 views - 2 months ago

Java Flight Recorder Tutorial: How to Profile Java Applications CyberJAR

1.1K views - 2 months ago

Dynamic SQL Queries with Spring Data JPA in 6 Minutes

Dynamic SQL Queries with Spring Data JPA in 6 Minutes CyberJAR

824 views - 2 months ago

Best Oracle Java Alternatives in 2026 Comparison of OpenJDK Distributions

Best Oracle Java Alternatives in 2026 Comparison of OpenJDK Distributions CyberJAR

1K views - 3 months ago

Java Memory Options You Need in Production

Java Memory Options You Need in Production CyberJAR

920 views - 3 months ago

Java Developer Roadmap 2026: From Basics to Production

Java Developer Roadmap 2026: From Basics to Production CyberJAR

2.2K views - 3 months ago

TOP-5 Lightweight Linux Distributions for Containers

TOP-5 Lightweight Linux Distributions for Containers CyberJAR

1.4K views - 3 months ago

jOOQ Deep Dive: CTE, MULTISET, and SQL Pipelines

jOOQ Deep Dive: CTE, MULTISET, and SQL Pipelines CyberJAR

1.3K views - 4 months ago

Spring Developer Roadmap 2026: What You Need to Know

Spring Developer Roadmap 2026: What You Need to Know CyberJAR

1.8K views - 4 months ago

Build Typed AI Agents in Java with Embabel

Build Typed AI Agents in Java with Embabel CyberJAR

1.5K views - 4 months ago

Spring Data MongoDB: From Repositories to Aggregations

Spring Data MongoDB: From Repositories to Aggregations CyberJAR

657 views - 5 months ago

Backend Developer Roadmap 2026: What You Need to Know

Backend Developer Roadmap 2026: What You Need to Know CyberJAR

2.9K views - 5 months ago

Sizing JDBC Connection Pools for Real Production Load

Sizing JDBC Connection Pools for Real Production Load CyberJAR

732 views - 5 months ago

JDBC vs ORM vs jOOQ: Choose the Right Java Database Tool

JDBC vs ORM vs jOOQ: Choose the Right Java Database Tool CyberJAR

1.2K views - 5 months ago

Hibernate: Ditch or Double Down? When ORM Isn't Enough

Hibernate: Ditch or Double Down? When ORM Isn't Enough CyberJAR

1.2K views - 6 months ago

Java in 2025: LTS Release, AI on JVM, Framework Modernization

Java in 2025: LTS Release, AI on JVM, Framework Modernization CyberJAR

515 views - 6 months ago

I Solved Advent of Code 2025 in Kotlin: Here's How It Went

I Solved Advent of Code 2025 in Kotlin: Here's How It Went CyberJAR

232 views - 6 months ago

Java 26 Preview: New JEPs and What They Mean for You

Java 26 Preview: New JEPs and What They Mean for You CyberJAR

1.6K views - 6 months ago

Will AI Replace Developers? A Vibe Coding Reality Check 2025

Will AI Replace Developers? A Vibe Coding Reality Check 2025 CyberJAR

335 views - 7 months ago

Build RAG System with Spring AI: No More AI Lies

Build RAG System with Spring AI: No More AI Lies CyberJAR

1K views - 7 months ago

Hardened Container Images 101: What, Why, and How for DevSecOps [2025]

Hardened Container Images 101: What, Why, and How for DevSecOps [2025] CyberJAR

1K views - 7 months ago

Spring AI: Streaming LLM Tokens with NDJSON in Spring Boot

Spring AI: Streaming LLM Tokens with NDJSON in Spring Boot CyberJAR

604 views - 8 months ago

Docker Container Image Security: 13 Best Practices

Docker Container Image Security: 13 Best Practices CyberJAR

4.2K views - 8 months ago

Vaadin Tutorial: From Spring Boot to Beautiful UI Fast

Vaadin Tutorial: From Spring Boot to Beautiful UI Fast CyberJAR

5.6K views - 8 months ago

Top 7 JavaFX Testing Mistakes You Need To Avoid!

Top 7 JavaFX Testing Mistakes You Need To Avoid! CyberJAR

439 views - 8 months ago

All 7 Java Garbage Collectors Explained | Serial, Parallel, G1, ZGC, Shenandoah & More

All 7 Java Garbage Collectors Explained | Serial, Parallel, G1, ZGC, Shenandoah & More CyberJAR

2.4K views - 9 months ago

Master Java Profiling in 2025: Tools, Techniques, and Real-World Tips

Master Java Profiling in 2025: Tools, Techniques, and Real-World Tips CyberJAR

1.6K views - 9 months ago

Should You Still Use LOMBOK in 2025? Pros & Cons

Should You Still Use LOMBOK in 2025? Pros & Cons CyberJAR

12K views - 9 months ago

Spring Boot to Native Image in 1 Command — GraalVM Tutorial

Spring Boot to Native Image in 1 Command — GraalVM Tutorial CyberJAR

2K views - 9 months ago

Monolith Done Right: Why You Don’t Need Microservices

Monolith Done Right: Why You Don’t Need Microservices CyberJAR

1.4K views - 10 months ago

Liquibase in Spring Boot: Full Beginner-to-Advanced Guide

Liquibase in Spring Boot: Full Beginner-to-Advanced Guide CyberJAR

10K views - 10 months ago

Buildpacks for Spring Boot (No Dockerfile!): Beginner-Friendly Tutorial

Buildpacks for Spring Boot (No Dockerfile!): Beginner-Friendly Tutorial CyberJAR

1.3K views - 10 months ago

Flyway in Spring Boot: Step-by-Step tutorial with Maven (Beginner Friendly)

Flyway in Spring Boot: Step-by-Step tutorial with Maven (Beginner Friendly) CyberJAR

4.3K views - 10 months ago

Stop Using DTOs – A Cleaner Way for Your Java APIs

Stop Using DTOs – A Cleaner Way for Your Java APIs CyberJAR

2.8K views - 11 months ago

GraalVM for Java Developers: The Ultimate Beginner’s Guide

GraalVM for Java Developers: The Ultimate Beginner’s Guide CyberJAR

3.8K views - 11 months ago

Java 25 LTS: The New Features in JDK 25

Java 25 LTS: The New Features in JDK 25 CyberJAR

4K views - 11 months ago

Distroless Isn’t Always Better: What Most Tutorials Don’t Tell You

Distroless Isn’t Always Better: What Most Tutorials Don’t Tell You CyberJAR

1.1K views - 11 months ago

Java Downgrade Challenge: From JDK 8 to 1.1 (Part 2) — No Streams, No Generics, No Mercy

Java Downgrade Challenge: From JDK 8 to 1.1 (Part 2) — No Streams, No Generics, No Mercy CyberJAR

730 views - 1 year ago

Why We Still Love Java in 2025 — Stories from Spring I/O

Why We Still Love Java in 2025 — Stories from Spring I/O CyberJAR

374 views - 1 year ago

Best Java Dockerfile Practices for Smaller Images [2025 Guide]

Best Java Dockerfile Practices for Smaller Images [2025 Guide] CyberJAR

3.5K views - 1 year ago

Java DTO Guide: Fix Your API Design with One Simple Pattern

Java DTO Guide: Fix Your API Design with One Simple Pattern CyberJAR

22K views - 1 year ago

Downgraded Java to JDK 1.1 After 30 Years… It Was a Disaster (part 1)

Downgraded Java to JDK 1.1 After 30 Years… It Was a Disaster (part 1) CyberJAR

1.2K views - 1 year ago

Swagger UI Integration in Spring Boot 3 (Beginner-Friendly)

Swagger UI Integration in Spring Boot 3 (Beginner-Friendly) CyberJAR

4.4K views - 1 year ago

Java at 30: A Crash Course in its Evolution

Java at 30: A Crash Course in its Evolution CyberJAR

1.2K views - 1 year ago