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In this video, Marcus Hellberg will teach you how to build an AI chatbot that uses retrieval-augmented generation (RAG) to learn ...

In general what is an API? In very broad terms, it's sort of a middle man that allows 2 pieces of software to communicate with each ...

In this tutorial, Marcus Hellberg shows how to build a full-stack todo app with a Spring Boot Java backend and a React Typescript ...

Want to learn how to setup your IDE and Maven for YouTube API (and other Google APIs!) Java development? Join +Ikai Lan and ...

Elide (https://elide.dev) is a new runtime and framework designed for the polyglot software era. With Elide, coding in multiple ...

Java Tutorial: Setup & Build Java Project I always prefer to setup and set the settings of my IDE and project as the very first thing in ...

If you work in finance, e-commerce, or any area that needs to represent money, the biggest question is how to do it. We need to ...

Does the world really need yet another frontend framework? We believe it does. With Hilla, you can build enterprise-grade web ...

Java Builder is a pattern that can help you to create complex objects. Every time we create a new instance model, we must ensure ...

Reflection and Java give a colossal capability, especially for removing boilerplate. It gives impactful productivity on Java to cover ...

In this Java Streams tutorial (Part 3), we dive into key Stream operations: filter(), map(), and flatMap(), demonstrating each with ...

Watch me while I implement a simple algorithm as a screening test for a Java developer position. You may find interesting the ...

In this stream, we peeled back the crust on the tokio crate — https://github.com/tokio-rs/tokio/ — and explored its interface, ...

When you publish your first HTTP API, you're more focused on short-term issues than planning for the future. However, chances ...

In this video, Leif Åstrand explains the basics of React to an audience of Java developers. Recorded at a Vaadin Learn event.

In this video, Marcus Hellberg introduces you to Vaadin. Vaadin is a platform for developing modern web apps that connect to ...

Hilla is a Vaadin framework that makes it faster to build business web apps with a React frontend and Spring Boot backend using ...

In this tutorial, Marcus Hellberg shows you how to build a full-stack chat app using the Hilla framework. 0:00 - Intro 0:19 - Creating ...

This post will explain more about the Java record feature, what it is, and how to apply it in several cases beyond DTOs.

Since Java 8, Java Developers have one good way to avoid the classic NullPointerException. However, it is still a problem to use ...