how to update java runtime

To update the Java Runtime Environment (JRE) on your system, you can follow these steps:

1. Check the current version of the JRE by running the following command in a terminal window:

java -version

2. Go to the Oracle website (https://www.oracle.com/java/technologies/javase-downloads.html) and click on the "Download" button for the latest version of the JRE.
3. Accept the Oracle Binary Code License Agreement.
4. Click on the link for the appropriate installer file for your system (e.g. Windows Offline Installer, macOS Installer, Linux RPM, etc.).
5. Save the installer file to your computer.
6. Double-click the installer file to start the installation process.
7. Follow the prompts to install the latest version of the JRE.

Note that you may need to close any Java-based programs or processes that are running before you can update the JRE. You may also need to restart your computer after updating the JRE.

If you are using a version of Java that is bundled with an application (e.g. Eclipse, NetBeans, etc.), you may need to update the application in order to get the latest version of the JRE. Consult the documentation or support resources for the application to learn how to update it.