how to uninstall java

To uninstall Java on your system, you can use the package manager of your operating system or the Java uninstaller tool. The exact steps to follow will depend on the operating system you are using and how you installed Java.

Here are the steps to uninstall Java on some common operating systems:

Windows

1. Open the Control Panel.
2. Click on "Programs and Features" or "Apps and Features".
3. Select the Java program you want to uninstall from the list of installed programs.
4. Click the "Uninstall" button.
5. Follow the prompts to uninstall Java.

Mac

1. Open the Applications folder.
2. Drag the Java app or folder to the Trash.
3. Empty the Trash.

Linux

1. Open a terminal window.
2. Run the appropriate command for your Linux distribution to remove the Java package. Here are the commands for some common distributions:

• Ubuntu and Debian: sudo apt-get remove openjdk-*
• Fedora: sudo dnf remove java-*
• CentOS and Red Hat Enterprise Linux (RHEL): sudo yum remove java-*

Note that these commands will remove the Java package and any related packages, but they will not remove the Java configuration files or directories. If you want to completely remove all trace of Java from your system, you can use the find command to locate and delete any remaining Java files or directories.

Here's an example of how you can use the find command to remove all Java-related files and directories:

sudo find / -name "*java*" -exec rm -rf {} \;

This command will search the entire file system for files or directories with "java" in the name and delete them. Be careful when using this command, as it will delete any file or directory that matches the search criteria, regardless of its contents or importance.