Programming Tutorials

A method is a block of code designed to perform a specific task. Methods are executed only when they are called, making programs more structured, reus

Thread-Safe Native Memory in Java: VarHandle Access Modes Explained (12 min)🧠 https://foojay.io/today/java-native-memory-access-modes/ Fake It Till Y

When we first built MatchEngine, the order book used a sorted slice. Every time an order was inserted, the entire slice was re-sorted. It was simple,

Tolgee is an open-source localization platform. Teams upload translation files in formats like Android XML, XLIFF, .resx, and Apple stringsdict. Every

Just published a new step-by-step tutorial on Djamware. In this guide, we build a TinyURL-style backend project using: Java 21 Spring Boot MongoDB

Introduction Form XObjects are an advanced component of the PDF specification. These are distinct from interactive form elements like butto

Java es un lenguaje de pogramación con algunos años ya. El problema de los calendarios y las fechas es conocido: cada cuatro años se añade un día más,

Method Overloading is a feature in Java where multiple methods have the same name but different parameters. It helps improve code readability and all

Void method(With return) public class Display{ public static void main(String[] args){ Display casio = new Display(); casio.add

What is a String? A string is a sequence of characters used to store text in a program. Characters can include: Letters (A–Z, a–z) Numbers (0–9) S

1) Void Method (No Return Value) public class Home{ public static void main(String[] args){ Home obj = new Home(); obj.display(

Java runs the financial world. With over 90% of Fortune 500 companies using Java and the language holding steady at third in the TIOBE Index with an 8

AI-assisted development has changed everything. You describe what you want, an AI builds it, and in a couple of hours you have a working app on your l

I want to say upfront: I have not caught any money launderers. I built a database. Whether it would actually catch money launderers in production is a

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There’s a concept in sports science that’s easy to overlook because it sounds so basic: “mobility”. Mobility is defined as “the ability of a joint to

Simulation problems are a staple in technical interviews. They test your ability to translate verbal rules into clean, state-driven code. The Robot Bo

What is a Return Type? In Java, a return type means the type of value a method gives back after execution. Syntax : returnType methodNa

Connecting AI Agents to Microservices with MCP (No Custom SDKs) In the previous post, I showed how LangChain4j lets you build agents with a

This post was originally published on jamjet.dev. TL;DR If you're building AI agents in Java today, your options for persistent memory r