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This is a submission for the OpenClaw Writing Challenge. The Problem Every Backend Team Has Right Now If you run a Java or Node backend in
When I started building ProdeMaster, I told myself something that I now find almost funny: "this next service is going to be easy — I already did thi
Implementing Spring Batch Multi-Step Job with Conditional Flow A comprehensive guide to creating Spring Batch jobs with multiple steps and
There are bugs you can solve by yourself, and bugs where you just need to sit down with someone who knows the internals. This video is in the second c
Problem Statement Given an array of integers, find the maximum length of a subarray whose sum is 0. Example Input: arr = [15, -2, 2, -8,
Packages A packages in java is used to group related classes.Think of it as a folder in a file directory.And to write a better maintainabl
A package in Java is used to group related classes. Think of it as a folder in a file directory. We use packages to avoid name conflicts, and to wri
Package is the Primary way to organize the related classes, Interface and sub packages in to shared name space. That helps to improve organization, m
O que é o Spring Boot Actuator? O Spring Boot Actuator é um módulo do Spring Boot que fornece funcionalidades prontas para monitoramento, g
When a trader's buy order matches against their own sell order, the result is a self-trade — also known as a wash trade. No economic value is exchange
When you work with objects in Java, sometimes you need to sort them. Sorting numbers or strings is easy because Java already knows how to compare them
Comparable Interface in Java Collections : What is it? Comparable is a Java interface in java.lang with a single method: Ex: public interface Co
Building AI Chatbot with Spring Boot and ChatGPT A comprehensive guide to building an AI chatbot using Spring Boot and ChatGPT The rise
From Hell to Haven: My Six-Month Journey with Capa-Java I'll be honest - when I first heard about Capa-Java, I thought I'd finally found th
Throw keyword: JVM automatically throws system-generated exceptions. All those exceptions are called implicit exceptions. If we want to throw an exce
In the previous post, I explained why I chose the Saga Pattern over distributed transactions. Now let's look at the central piece: the orchestrator.
Capa-Java After Six Months: When "Write Once" Became "Configure Once Everywhere" Honestly, when I first discovered Capa-Java, I thought I'd
La mayoría de los posts sobre arquitectura hexagonal hablan de mantenibilidad y testabilidad. Eso está bien, pero hay una dimensión que casi nadie men
The Real Problem Let’s say you create a Student class: id name Now you store multiple students in a list and try: Collections.sort(list); Boom e
Packages A Java package is simply a way to related class, interfaces, and sub-packages into a single unit. Packages help organize large ap