How to Install Java on macOS | Install Java 22 & 17, Uninstall & Reinstall with Script | Full Guide
Ready to set up Java on your macOS? In this step-by-step guide, we’ll walk you through installing the latest Java 22 and the popular Java 17 using Homebrew. We’ll also show you how to cleanly uninstall Java and then reinstall it using a custom script. Plus, we’ll cover how to make your script executable so you can run it with ease!
What You’ll Learn:
1. Installing Java 22 and Java 17:
• Start by installing Homebrew if you haven’t already. Run the following command in your terminal:
``` /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Hom...)"
```
• Next, install Java 22 with:
``` brew install oracle-jdk --cask ```
• To install Java 17, use:
``` brew install oracle-jdk@17 --cask ```
2. Uninstalling Java:
• Need to remove a Java version? Simply run:
``` brew uninstall oracle-jdk --cask
brew uninstall oracle-jdk@17 --cask
```
• This will clean up your system, making it ready for the next steps.
3. Reinstalling Java via Script:
• Want to automate the process? Use this custom script to install specific versions of Java or the latest one. Before running the script, make it executable with:
``` chmod +x install_java.command ```
• Get the script here: Java Installation Script
4. Verifying Your Installation:
• After installing, check your Java version by running:
``` java -version ```
• This will confirm that everything is set up correctly.
By the end of this video, you’ll have Java 22 or Java 17 installed on your macOS, with the knowledge to uninstall and reinstall it as needed. Whether you’re a developer or just setting up your environment, this guide has you covered!
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