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SUBSCRIBE TO THE CHANNELSetting Up Java JDK 21 on Windows
The Java Development Kit (JDK) 21 is a powerful Long-Term Support (LTS) release, essential for developers who value stability and modern features. Getting it installed correctly on Windows 11 is the foundation of your Java development environment. In this guide, we make the process easy and foolproof!
1. Downloading the Installer
First, head over to the official Oracle website. You’ll want to download the x64 Installer for Windows. This is a simple executable file that handles the heavy lifting of placing the necessary Java files on your system.
2. The Installation Process
Once the download is complete, run the installer. The default installation path is usually C:\Program Files\Java\jdk-21. We recommend keeping this path as it is, as it makes setting up your environment variables much easier in the next step!
3. Configuring Environment Variables
This is the step where your computer learns where to find Java. To make Java work from any command prompt, you must add the "bin" folder of your JDK to the System Path.
- Open Edit the system environment variables.
- Click Environment Variables.
- Under System Variables, find Path and click Edit.
- Add a new entry pointing to your JDK
binfolder.
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