#java Development Tutorials & Tips | Roast Dev

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🛠️ Installing and Setting Up Jython: A Developer’s Guide

In the ever-expanding world of polyglot programming, Jython provides a unique advantage by combining the expressiveness of Python 🐍 with the robustness of Java ☕. This guide outlines the step-by-...

04.05.2025 0 Read More

CH-02 : The Time Traveler’s Bug

Jai leaned back in his chair, a smug grin on his face. “Veeru, my friend, we’ve done it! The world’s first time-traveling app!”Veeru, sipping his chai, raised an eyebrow. “You sure this work...

03.05.2025 0 Read More

CRUD (Create, Read, Update, Delete) operation using Java Spring Boot with PostgreSQL-2025

Here’s a step-by-step example of a CRUD (Create, Read, Update, Delete) operation using Java Spring Boot with PostgreSQL, updated for 2025 best practices.✅ Tools & Technologies: Java 17+ (LTS) ...

04.05.2025 0 Read More

🧱 How to Build a Complex Spring Boot Backend (So You Stop Being Jobless)

So you’ve spent months polishing your resume, applying to every "Java Backend Engineer" job on LinkedIn, and still... crickets. Maybe it’s time to face the truth: your Spring Boot project is just ...

04.05.2025 0 Read More

Factory Design Pattern – Creating Objects the Smart Way

📘 Why This Blog? When I first came across the Factory Design Pattern, it felt like magic. But with a bit of practical exploration, I realized it’s just a smart way to decouple object cre...

23.04.2025 0 Read More

Spent 4 Hours on a Lombok Error 😩 — Solved It!

If you're using Lombok and getting weird javac processor or NoClassDefFoundError issues — double-check your JDK version. Lombok might not play well with Java 21+ in certain environments.Try dropping...

23.04.2025 0 Read More

👨‍💻 Spring vs Spring Boot – A Developer’s Perspective (No Buzzwords, Just Code Talk)

If you’ve ever built Java backend apps, you’ve probably touched Spring. But if you're trying to choose between Spring and Spring Boot, here’s my honest take after working with both: 🧱 Spring ...

23.04.2025 0 Read More

Imersão em Engenharia de Software aplicada à iniciantes backend Java pt.0 - Contexto

Recentemente fui convidado a participar como facilitador em um workshop que tinha como intuito passar um overview sobre spring-boot e construção de APIs à um grupo de pessoas de um programa de inic...

23.04.2025 0 Read More

Frameworks Aren’t the Problem — Our Dependency on Them Is

I often get pushback when I share my philosophy: I prefer native development for mobile apps and use core Java without Spring for the backend. Not because I think frameworks are terrible, quite the op...

23.04.2025 0 Read More

What's New in JDK 24: Final, Preview, Incubator & Experimental Features with Real Examples

Java Development Kit (JDK) 24, released in March 2025, delivers significant enhancements in language design, performance, runtime, and developer productivity. This guide covers the new features by cat...

23.04.2025 0 Read More

🛠️ Installing and Setting Up Jython: A Developer’s Guide

CH-02 : The Time Traveler’s Bug

CRUD (Create, Read, Update, Delete) operation using Java Spring Boot with PostgreSQL-2025

🧱 How to Build a Complex Spring Boot Backend (So You Stop Being Jobless)

Factory Design Pattern – Creating Objects the Smart Way

Spent 4 Hours on a Lombok Error 😩 — Solved It!

👨‍💻 Spring vs Spring Boot – A Developer’s Perspective (No Buzzwords, Just Code Talk)

Imersão em Engenharia de Software aplicada à iniciantes backend Java pt.0 - Contexto

Frameworks Aren’t the Problem — Our Dependency on Them Is

What's New in JDK 24: Final, Preview, Incubator & Experimental Features with Real Examples

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