How to Build a Java Web App from Scratch (Beginner Setup Guide)
In this step-by-step tutorial, you’ll learn how to set up a complete Java web development environment and run your first Java web app from scratch using the JDK, IntelliJ IDEA, and Vaadin.
Vaadin enables developers to build modern, secure web applications entirely in Java — without needing to manage a separate frontend framework — making it an ideal choice for enterprise and business applications.
What are you planning to build with Java? Let us know in the comments.
🔹 Learn more about Vaadin: https://vaadin.com
🔹 Start a project instantly: https://start.vaadin.com
🔹 Documentation: https://vaadin.com/docs
Chapters:
00:00 Introduction
00:35 Overview of Steps
00:54 Install the JDK
01:41 Install IntelliJ
02:43 Download Vaadin Starter
03:33 Vaadin Playground
03:53 Run the Application
05:11 Install Vaadin Plugin w/ HotSwap Agent
06:48 HotSwap Agent demo
07:50 Recap
08:18 Outro
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