S01L01 – Setting things up

Setting Up Java Development Environment with Spring Framework


Table of Contents:

  1. Introduction
  2. Step-by-Step Setup
    • Installing Microsoft OpenJDK
    • Installing Eclipse IDE
    • Setting up Apache Tomcat
  3. Configuring the Development Workspace
  4. First Spring Project Overview
  5. Conclusion

Introduction

In this guide, we’ll walk through setting up the essential tools for developing Java applications using the Spring Framework. As you may know, Spring is one of the most popular frameworks for building Java-based applications, thanks to its flexibility and support for enterprise-level development.

Setting up your environment correctly is crucial, especially if you are new to Java development. This guide will cover the installation of Microsoft OpenJDK, Eclipse IDE, and Apache Tomcat, as well as configuring your workspace to build your first Spring project.


Step-by-Step Setup

1. Installing Microsoft OpenJDK

To get started, we need to install a Java Development Kit (JDK). We’ll be using Microsoft OpenJDK, but any JDK version will work.

Why Microsoft OpenJDK?

  • It is reliable, well-supported, and trusted by developers.
  • Microsoft OpenJDK is free, open-source, and widely used for enterprise applications.

Instructions:

  1. Navigate to the Microsoft OpenJDK website.
  2. Download the JDK version 17, which is an LTS (Long-Term Support) version. Though the latest version of Java is 19, it’s always a good idea to use an LTS version for stability and support.
  3. Follow the installation prompts and complete the setup.

Comparison Table:

JDK Version Status Support
17 LTS (recommended) Long-term support
19 Latest Short-term support
21 LTS (Latest) Long-term support

2. Installing Eclipse IDE

Eclipse IDE is the integrated development environment (IDE) we’ll be using. While there are other options like IntelliJ IDEA or NetBeans, Eclipse is widely trusted, open-source, and free to use.

Instructions:

  1. Navigate to the Eclipse website.
  2. Download and install the latest version of Eclipse IDE for Java Developers.
  3. Follow the installation prompts, and make sure that you select the necessary components for Spring development.

3. Setting up Apache Tomcat

Apache Tomcat is a widely used server for deploying Java applications.

Instructions:

  1. Download the latest version of Apache Tomcat from tomcat.apache.org.
  2. Follow the setup guide for integrating Tomcat into Eclipse.

Configuring the Development Workspace

After installing Eclipse, you’ll need to configure your workspace. Eclipse allows you to set up a workspace where all your Java projects will reside.

Steps:

  1. Launch Eclipse.
  2. When prompted, select a directory where you would like to keep your projects. For example, you can create a folder named SpringProjects on your D drive or any other preferred location.
  3. Set this as your default workspace so that Eclipse will automatically open it when launched.

Workspace Organization Tip: Keep your project files organized by separating them into folders for better navigation and project management.


First Spring Project Overview

With everything set up, you are now ready to create your first Spring project.

  1. Launch Eclipse and create a new Maven project.
  2. Add Spring dependencies to the project’s pom.xml file.
  3. Start building a simple Spring-based application, such as a REST API or a basic web application.

Sample Maven Dependencies for Spring:

Once you have your dependencies set up, Eclipse will download them, and you can begin coding your Spring application.


Conclusion

Setting up your development environment is the first step towards building robust Java applications using the Spring Framework. In this guide, we have installed Microsoft OpenJDK, Eclipse IDE, and Apache Tomcat, as well as configured our workspace for our first Spring project.

Now that everything is in place, you’re ready to start developing your Spring applications.