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Today, I worked on a simple Spring Boot API, but it taught me an important lesson about handling user input properly. I created an endpoint to add a
Note This article uses the Java 21 preview structured concurrency API (StructuredTaskScope, JEP 453). API shape changed in later previews. See Part 9
Hello, world! I've been playing Minecraft for over 10 years and finally decided to try my hand at mod development. Here I'll be running my personal
After 3 years building a SaaS accounting system for the Norwegian market, I open-sourced the VAT filing module as a standalone Java library. This is
Most AI examples look clean for about five minutes. Then the framework starts leaking everywhere: controllers know about embedding models services
I recently launched my app on the Play Store, and honestly, I thought getting downloads would be easy. I shared it on my WhatsApp status and Facebook—
How much of your code is actually about your business? Open any Java service method. Count the lines. How many describe what the business does? And h
In Java, variables are classified based on where they are declared and how they are accessed. The two main types are global (class-level) variables an
When you write Java code, every variable has a home — a place where it lives and can be used. That home is called its scope. Today we'll learn about t
When learning Java, one of the most important concepts to understand is how variables work. Among them, global variables and local variables play a ke
Another day, another vaguely-defined "competitive" salary job posting. Let's dive into this .NET Full Stack Developer (Power Platform specialization)
In Spring AOP, a join point represents a point in program execution where an aspect can be applied, typically a method execution. A pointcut is an exp
Basically, all scripting languages are programming languages. The main theoretical difference is that scripting languages don’t need a compilation ste
What is File Handling : - File handling refers to the process of creating, reading, writing, updating, and deleting files stored on disk. - Java pr
In modern software development, handling complex systems is a major challenge. As applications scale, writing clean, maintainable, and scalable code b
(Originally published on Medium) Introduction According to RedHat: Observability refers to the ability to monitor, measure, and understa
This is Part 4 of a series building a production-ready semantic search API with Java, Spring Boot, and pgvector. Part 1 covered the architecture. P
Wipro and Capgemini interviews often follow a pattern: after basic Java questions they go deep into Collections — how they work, when to use which one
Table of Contents Introduction Understanding Dependency Injection Best Practices for Effective Dependency Injection Final Thoughts
In the fields of forex quantitative trading, currency conversion, strategy backtesting, and real-time monitoring, stable and low-latency forex market