JavaToDev

“JavaToDev” is a platform that delves into various aspects of programming, including Python, machine learning, data augmentation, and AI applications. The content covers topics such as the speed of Python programming, the importance of short-term memory in AI applications, and the challenges of enterprise RAG implementations. It explores the intersection of programming languages like Python with technologies such as PostgreSQL databases and generative AI tools. The platform provides insights into practical Python scripts, data augmentation techniques for machine learning, and the architecture of enterprise-grade systems using tools like Spark, EMR, and Airflow.

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Going Beyond Booleans: BitSet’s Hidden Magic

JavaToDev

The tiny data structure that quietly outperforms your boolean arrays Photo by Alison Courtney on Unsplash BitSet is a compact and efficient java data structure tucked away in java.util, offering a po...

From Python to Kotlin: How JetBrains Revolutionized AI Agent Development

JavaToDev

The unexpected journey of building production-ready AI agents in a language no one thought was suited for AI Python was previously dominating the AI landscape (is it still?). Every tutorial, every fr...

Why Java 21 Matters: Key Features Every Developer Should Know

JavaToDev

Java has been around for almost 30 years, but it’s far from old. With every new release, it keeps proving that it’s not only relevant but also modern, powerful, and developer-friendly . If you’re stil...

Optimizing Spring Boot docker image using Liberica runtime container

JavaToDev

Reduce image size, speed up deployments, and improve security with Liberica Runtime Container. Containerizing Spring Boot application is a very common approach for cloud-native applications. Optimizin...

Improve Spring Boot startup time using Class Data Sharing (CDS)

JavaToDev

Optimize Java Application Startup with Built-In JVM Features Class Data Sharing (CDS) is a JVM feature that focuses on improving startup time and memory footprint. It allows us to create an archive an...

Speed Up Docker Builds in GitHub Actions with Caching

JavaToDev

Reduce build times on GitHub runners with Docker layer caching Introduction Docker builds are usually slow when building an image for the first time. After the initial build Docker creates a cache whi...

Secure GitHub CI/CD: Use AWS IAM Roles with GitHub OIDC

JavaToDev

Eliminate hard-coded AWS credentials and improve security using OpenID Connect. Introduction When our GitHub action needs to access AWS resources, we create an IAM role and store secret and access key...

Spring Boot Actuator

JavaToDev

Why Use Actuator? Health Monitoring : Integrate with tools like Kubernetes, AWS ELB, or monitoring dashboards to track system health. Metrics Collection : Gather JVM stats, request counts, and perform...

What is a Memory Dump in Java? (With Real-World Use Cases)

JavaToDev

When your Java application crashes or behaves unexpectedly (e.g., freezes, consumes too much memory, or throws OutOfMemoryError ), one powerful diagnostic tool you can use is a Memory Dump — also know...

How I Boosted My Java Backend Skills and Doubled My Confidence in 30 Days (No Paid Course Needed)

JavaToDev

If you’re stuck in tutorial hell or switching between Udemy tabs and YouTube playlists — trust me, I’ve been there. A month ago, I challenged myself: 👉 No paid course. No excuses. Just 30 days of rea...

️ Designing REST APIs in Spring Boot — Best Practices with Code

JavaToDev

👋 Introduction In the world of microservices and modern web applications, REST APIs are the backbone of communication. As Java developers, we often use Spring Boot to build these APIs — but building ...

What Is a Confluence Page and Why It Matters in Tech Teams

JavaToDev

In fast-moving tech teams, ideas, documentation, and project details can get scattered across chat messages, emails, and spreadsheets. This is where Confluence comes in — a central, collaborative work...