Java Uninstall Tool For Mac

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Last updated: June 14, 2016

  1. Uninstall Java from Mac manually. Unless you are a power user, you run the risk of failing to find and delete some components of this infection on your own. Overlooking dodgy LaunchAgents, LaunchDaemons, and malicious configuration profiles means that the threat will continue to cause problems. A more efficient alternative to manual cleanup is.
  2. The first requirement to uninstall Java on Mac OS – you should have administrator privileges. Second – you shouldn’t be afraid to use terminal. This method works fine for any version of Java – 8, 9, 10, 11, 12, 13 or any other version. Uninstalling Java on the Mac.
  3. To completely remove Java from your device, you need to follow systematic steps. This is done in three parts. Follow the steps given below to know how to delete Java on Mac. Part 1: Remove Java Plugins from your Mac. To remove Java completely from your device, you need to begin by removing the Java plugin that is present on your device.

How to reinstall Java 6 on Mac OS X

When the download is completed, open the.dmg file and install Java 6 runtime for MAC OS X. When the installation is completed, restart your MAC. Let me know if this guide has helped you by leaving your comment about your experience. Please like and share this guide to help others.

How to uninstall Oracle Java 7

Java is a free software currently developed by Oracle Corporation. Apple provided its own implementation of Java for Mac OS X until October, 2012. At that time, the Apple verison of Java 6 was removed during an OS X update, and replaced with the Oracle-supplied version of Java 7.

This article pertains to the Java Runtime Environment (JRE) program installed on your computer that is used to run Java applets encountered in your web browser. There are a variety of reasons why a Mac user would want to remove Oracle’s version of Java from their Mac, and reinstall Java 6 on Mac instead. To reinstall Java 6 on Mac OS X, you should first uninstall Oracle Java 7 or 8 from your Mac. The steps below explain how to uninstall Oracle Java from your Mac. Please note that to uninstall Java 7, you must have Administrator privileges.

  • Click on the Finder icon located in your dock
  • Click on Applications tab on the sidebar
  • In the Search box enter: JavaAppletPlugin.plugin
  • This will find the JavaAppletPlugin.plugin file
  • Right click on JavaAppletPlugin.plugin and select Move to Trash

Alternatively, if you are familiar with using the Mac’s Terminal utility with Administrator privileges as root or by using sudo, you may copy/paste the command line below to uninstall Oracle Java 7:

How to Restore Apple’s Java 6 after uninstalling Oracle Java 7

If you updated your Mac to Oracle Java 7 or 8, and it has created an unforeseen issue, you may continue to use Apple’s
Java on your Mac by restoring it. Please note that to restore Apple’s Java, you must have Administrator privileges and execute the command either as root or by using sudo.

Java Uninstall Tool For Mac
  • Click on the Finder icon located in your dock
  • Click on Applications tab on sidebar
  • Click on the Utilities folder
  • Double-click on the Terminal icon
  • In the Terminal window Copy and Paste the command below:

Once you have uninstalled Oracle’s Java, and restored Apple’s Java 6, you may verify that your Mac is running the expected Java version by visiting the Java.com web site.

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This topic includes the following sections:

System Requirements for Installing the JDK on macOS

The following are the system requirements for installing the JDK on macOS:

  • Any Intel-based computer running macOS.

  • Administrator privileges.

    You cannot install Java for a single user. Installing the JDK on macOS is performed on a systemwide basis for all users. Administrator privileges are required to install the JDK on macOS.

Determining the Default JDK Version on macOS

When starting a Java application through the command line, the system uses the default JDK.

There can be multiple JDKs installed on the macOS system.

You can determine which version of the JDK is the default by entering java -version in a Terminal window. If the installed version is 11 Interim 0, Update 0, and Patch 0, then you see a string that includes the text 11. For example:

Java Uninstall Tool For Macbook

To run a different version of Java, either specify the full path, or use the java_home tool. For example:

$ /usr/libexec/java_home -v 11 --exec javac -version

Installing the JDK on macOS

  1. Download the JDK .dmg file, jdk-11.interim.update.patch-macosx-x64.dmg.

    Before the file can be downloaded, you must accept the license agreement.

  2. From either the browser Downloads window or from the file browser, double-click the .dmg file to start it.
    A Finder window appears that contains an icon of an open box and the name of the .pkg file.
  3. Double-click the JDK 11.pkg icon to start the installation application.
    The installation application displays the Introduction window.
  4. Click Continue.
  5. Click Install.
    A window appears that displays the message: Installer is trying to install new software. Enter your password to allow this.
  6. Enter the Administrator user name and password and click Install Software.
    The software is installed and a confirmation window is displayed.
After the software is installed, you can delete the .dmg file if you want to save disk space.

Uninstalling the JDK on macOS

You must have Administrator privileges.

Note:

Do not attempt to uninstall Java by removing the Java tools from /usr/bin. This directory is part of the system software and any changes will be reset by Apple the next time that you perform an update of the OS.

Java Uninstall Tool For Mac Os

  1. Go to /Library/Java/JavaVirtualMachines.
  2. Remove the directory whose name matches the following format by executing the rm command as a root user or by using the sudo tool:
    /Library/Java/JavaVirtualMachines/jdk-interim.update.patch.jdk

    For example, to uninstall 11 Interim 0 Update 0 Patch 0:

    $ rm -rf jdk-11.jdk

Installation FAQ on macOS Platform

This topic provides answers for the following frequently asked questions about installing JDK on macOS computers.

1. How do I find out which version of Java is the system default?

When you run a Java application from the command line, it uses the default JDK. If you do not develop Java applications, then you do not need to worry about this. See Determining the Default JDK Version on macOS.

2. How do I uninstall Java?

See Uninstalling the JDK on macOS.

3. After installing Java for macOS 2012-006, can I continue to use Apple's Java 6 alongside the macOS JDK for Java 11?

Uninstall Java Jdk From Mac

If you want to continue to develop with Java 6 using command-line, then you can modify the startup script for your favorite command environment. For bash, use this:

Mac Os Uninstall Java

$ export JAVA_HOME=`/usr/libexec/java_home -v 11`

Some applications use /usr/bin/java to call Java. After installing Java for macOS 2012-006, /usr/bin/java will find the newest JDK installed, and will use that for all of the Java-related command-line tools in /usr/bin. You may need to modify those applications to find Java 6, or contact the developer for a newer version of the application.

4. Can I restore Apple Java after uninstalling Oracle Java?

Go back to Apple Java using the following instructions:

  1. Uninstall Oracle Java by deleting the plug-in file. From a command-line, enter:

    $ sudo rm -rf '/Library/Internet Plug-Ins/JavaAppletPlugin.plugin'

  2. Create a symlink using the following command, entered on a single line:

    $ sudo ln -s /System/Library/Java/Support/CoreDeploy.bundle/Contents/JavaAppletPlugin.plugin '/Library/Internet Plug-Ins/JavaAppletPlugin.plugin'

5. What happened to the Java Preferences app in Application Utilities?

The Java Preferences app was part of the Apple Java installation and is not used by Oracle Java. Therefore, macOS releases from Apple that do not include Apple Java will not include Java Preferences.