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Store all prefixes of numbers from arr1 in a HashSet. Example for 12345: 12345 1234 123 12 1 We get these prefixes by repeatedly dividing by 10. T
Spring Batch Best Practices for Production 2026 Optimize your Spring Batch applications with expert best practices for production environm
The problem with Java 8 → Java 21 migrations If you're working on a Java 8 codebase — or trying to break into banking and legacy system rol
Testing and Debugging MCP: The Curl-First Approach In the previous post, I connected an AI agent to 4 MCP servers with 12+ tools. It works.
I’ve been experimenting with Claude Code to go beyond “AI as a copilot” and instead simulate a small team of AI agents working on software development
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Trabalhando com mapMulti() – Transforme seus streams sem neuras E aí, dev? Tudo certo? Se você está no JDK 16 ou superior, a Stream API gan
Most developers start by learning frameworks and syntax. But as projects grow, one thing becomes clear: Good software is not just about making featu
Scaling ArchUnit with Nebula ArchRules (10 min)🏛️ https://netflixtechblog.com/scaling-archunit-with-nebula-archrules-b4642c464c5a
Single-module Appium frameworks work great — until a second team needs to use them. It starts small. A shared utility gets copy-pasted into another r
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Building a Vector Database with Spring Boot Tutorial A comprehensive guide to creating a vector database using Spring Boot, covering key c
Notes from your fellow Engineer.. A few months ago, I was treating Generative AI the same way many backend engineers probably still are. Interesti
Many string problems look complicated because they involve: substrings repeated characters dynamic conditions Beginners often use nested loops…
This project showcases a reusable room-based multiplayer system built with Java WebSockets, developed through ongoing work on real-time multiplayer ar
Before Getting into development straight away. We must learn the origin the customs and the way of Java Right from the start. We must start first wit
If you have ever integrated Spring Security into an enterprise application, you know it feels like magic—until a random 401 Unauthorized or 403 Forbid
Some Important String Methods in Java: length() - Returns the length of the string. EX: String name = "Ajmal"; System.out.println(name.length())
Java is one of the most widely used programming languages for building robust, scalable, and platform-independent applications. A Java Development G