Installing a Java Virtual Machine (JVM) on Your Mac

Are you eager to start developing with Java, but unsure how to get started? Look no further! This article will guide you through the process of installing and setting up your Java development environment on a Mac. With the rise of new frameworks like Quarkus, Micronaut, and Helidon, Java is making a comeback as a popular choice for cloud-centric software development.

Before we begin, it's worth noting that if you're running Linux, you can refer to Seth Kenlon's article 'How to install Java on Linux' for specific instructions.

Installing OpenJDK with Homebrew

The easiest way to get started with Java is by installing OpenJDK from a Brew repository. To do this, follow these steps:

1. Install Homebrew if you haven't already: `/bin/bash -c '$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)'`

2. Update Homebrew: `brew update`

3. Install OpenJDK: `brew install openjdk`

Once the installation is complete, verify that Java is installed by opening a terminal and typing `java --version`. You should see the version of OpenJDK you just installed.

Getting Started with Java Development

Now that you have Java installed, it's time to start developing. The first step is to set up your development environment. This includes installing an Integrated Development Environment (IDE) like IntelliJ IDEA or Eclipse, and setting up a project structure.

To get started, create a new directory for your project and navigate into it in the terminal. Then, use the `javac` command to compile your Java files. For example: `javac HelloWorld.java`

Run your program using the `java` command: `java HelloWorld`

You can also use an IDE like IntelliJ IDEA or Eclipse to develop and run your Java programs.

In this article, we've covered how to install OpenJDK on a Mac using Homebrew. We've also touched on the basics of setting up your Java development environment and getting started with developing Java programs.

Despite the rise of other programming languages, Java is still a popular choice for cloud-centric software development. With its ability to run larger heaps and highly dynamic frameworks that can make decisions at runtime, it's no wonder why developers are turning to Java once again.

To learn more about developing cloud-native applications with microservices architectures, check out this free online course: 'link to course'.

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