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When you begin learning Java, one concept becomes the foundation of everything you build: 👉 Classes and Objects At first, they may seem theoretical.
JADEx Spring Boot Example This example introduces the core features of JADEx (Java Advanced Development Extension) through a Spring Boot Us
Summary Default to Oracle APEX for Oracle-Database-centric Oracle Forms portfolios (data entry-heavy SQL & PL/SQL, quick ROI), and reserve
For months, my coding routine looked like this: Learn → Lose consistency → Stop → Restart again. So today I decided to restart properly — and docume
Introdução Estamos vivendo uma onda no desenvolvimento de software impulsionada pelo uso de IA generativa e, mais recentemente, por agentes
Using AI Agents to Debug Distributed Systems Faster At my company, we have a feature that allows customers to export large volumes of data
Hello everyone! In my last post, we saw how our Python service collects B3 data and publishes it to Kafka. Today, we take a crucial step: consuming t
In 2006, I worked on a large logistics system for transporting wood for pulp production. One of the most critical modules managed the entry and exit o
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Datatypes in java Java is a statically-typed language, meaning every variable must be declared with a data type before use. These types ar
Sum of Digits java public class Main { public static void main(String[] args) { int num = 1234, sum = 0; while (num > 0) {
in Java, primitive data types are the most basic types of data. They store simple values (not objects) and are very fast. 1. byte Size: 1
What is an Exception? An exception is an unwanted event that occurs during program execution. Example: Dividing a number by zero
Java Is Fast. Your Code Might Not Be. (12 min)🐢 https://jvogel.me/posts/2026/java-is-fast-your-code-might-not-be/ JDK 26 Security Enhancements (14 mi
JWT vs Session vs OAuth2 in Spring Boot: Which One Should You Use? Tags: java springboot security webdev If you've spent any time build
Imagine a company developing something as a “green project”, and after a certain period of time, it becomes an instant hit. Yes, I am talking about Su
GIF images pose several challenges for Java developers, largely due to the format's age and the limitations of Java's native libraries. Despite these
Since I started working on the development of the time-series database Apache IoTDB in 2016, I've been asked the same question again and again: Why
Since I started working on the development of the time-series database Apache IoTDB in 2016, I've been asked the same question again and again: Why
1. Introduction Understanding the difference between map and flatMap is very important when working with the Stream API in Java. Both are i